A study of global position system (GPS) receivers

Science & technology   |   Electronics   |   Research papers   |   07/07/2009   |   .doc   |   80 pages
Document abstract : «With today's global position system (GPS) receivers, we are able to pinpoint our own position, but what's more useful about GPS receivers is that they can transmit our position information to other receivers. We decided to use both of these features...»

Synopsis abstract : «Abstract. Introduction. Embedded system. History and advantages. Hardware description. Block diagram. Circuit description. GPS receiver. GSM modem. Microcontroller (PHILIPS XA-G39). LCD display. Serial communication (RS 232). Power supply. Flow...»

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How to control a Dish antenna from a remote area

Science & technology   |   Electronics   |   Term papers   |   07/07/2009   |   .doc   |   25 pages
Document abstract : «The development of this Remote Controlled Dish Antenna application requires the configuration of the micro controller architecture, writing (code) and debugging of the application program. In this application the status of the dish antenna such as...»

Synopsis abstract : «Abstract. Overview. Block diagram. Transmitter part. Receiver part. Circuit diagram and description. Embedded system introduction. Component description. Micro controller. RF modules. Line driver. Stepper motor. LCD. Power supply. Keil...»

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Can Japanese Sogo-soshas become common in Europe and USA with the system and its current situation?

Science & technology   |   Electronics   |   Presentation   |   01/13/2009   |   .doc   |   11 pages
Document abstract : «According to Reuters, a Japanese company has come up with a new way to track down grandmas, grandpas and anyone else who forgets where he or she is supposed to be. The company will use a satellite-based global positioning system and cellular...»

Synopsis abstract : «Introduction.. The Japanese system.. What are a Sogo-sosha and a Keiretsu?. Japanese relationship: The Main Banks.. What are the negative and positive aspects of the 'First Trade Nation'?. Japanese history, Ere Meiji, krach.. History of...»

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Non inclusion property in chip multiprocessors with multi-level cache

Science & technology   |   Electronics   |   Term papers   |   06/11/2009   |   .pdf   |   5 pages
Document abstract : «Difference between speed of processor and memory is increasing with the advent of new technology. Chip Multi Processors (CMP) has further increased the pressure on the memory hierarchy. So it has become important to manage on chip memory very...»

Synopsis abstract : «Abstract. Introduction. Related work. Proposed architecture. Coherence protocol. Invalidate message. Read miss. Write miss. Write back. Proposed implementation. Conclusion. References....»

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Automated image tracking and surveillance the vigil master

Science & technology   |   Electronics   |   Term papers   |   10/09/2009   |   .pdf   |   4 pages
Document abstract : «Surveillance is monitoring of behavior. Surveillance cameras have become widespread: Public places, shopping centers, offices, transportation, and much others. Increasingly, the sheer volume of data requires automated analysis. Surveillance is...»

Synopsis abstract : «Introduction. System architecture. Architecture diagram. Algorithm. Module flow diagram. Interfacing of the web camera with the computer. Image capturing. Transfer of web camera data into processable data. Motion detection module. Log...»

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Curvature scale space (CSS) based trade mark recognition

Science & technology   |   Electronics   |   Term papers   |   10/09/2009   |   .pdf   |   5 pages
Document abstract : «Information is inherently multimodal. Humans can efficiently and effectively process information simultaneously in multiple dimensions. These multiple media, that aid effective communication, can be characterized into speech, audio, image, video,...»

Synopsis abstract : «Abstract. Introduction. Meaning of trademark. Pattern recognition system. Color. Shape. Invariance criteria. Efficiency. Ease of implementation. Computation of shape properties. Invariant moment based method. Edge angles. Invariant...»

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Real time software GPS receiver with new fast tracking method

Science & technology   |   Electronics   |   Term papers   |   10/09/2009   |   .pdf   |   5 pages
Document abstract : «This work is part of an effort to develop a receiver that solely depends upon software based processing. Correlation operations are performed in software rather than using a hardware correlators. The receiver consists of RF front end and a SHARC DSP...»

Synopsis abstract : «Abstract. Introduction. Software receiver structure. GPS signal acquisition. GPS signal acquisition: Modified algorithm. GPS signal carrier pull in. GPS signal tracking. Conclusion and future work. References....»

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E - I3T for Agro-systems

Science & technology   |   Electronics   |   Term papers   |   10/09/2009   |   .pdf   |   5 pages
Document abstract : «The term e-i3t is for the use and impact of technologies based on electronics, communications and information technology. It is a process by which organizations, institutions, industries and societies guide themselves for better management of their...»

Synopsis abstract : «Abstract. Introduction. Soil and plant nutrient analysis. Soil testing. Plant tissue analysis. Irrigation scheduling. Photosynthesis systems. Management of inputs. Integrated approach to management of inputs. Major inputs for crop...»

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A fractionally spaced DFE with exponential step-size LMS algorithm

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   4 pages
Document abstract : «In a multi path environment within time disruptive channels, modulation bandwidth greater than the coherence bandwidth of the radio channel introduces inter symbol interference (ISI) resulting into high bit error rate (BER) [1]. The performance of...»

Synopsis abstract : «Abstract. Introduction. Overview of AN FS-ADFE. Adaptation of algorithm . Adaptation techniques in equalizers. Adaptation algorithm n the proposed FS-ADFE. x/4 -DQPSK modem. Implementational issues. Equalizer implementation. Results and discussions...»

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Neural network implementation

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   4 pages
Document abstract : «CMOL circuits seem more suitable for the implementation of naturally defect-tolerant architectures, including artificial neural networks. Neural Networks designed using CMOL are named as "Cross Nets" and they may eventually exceed the mammal brain...»

Synopsis abstract : «Abstract. Introduction. Types of neural networks. Implementing neural networks. Basic network structure. Conclusion. References....»

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Role of optical CDMA in access networks

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   3 pages
Document abstract : «Optical code-division multiple access (OCDMA) combines the large bandwidth of the fiber medium with the flexibility of the CDMA technique to achieve high-speed connectivity. CDMA was originally investigated in the context of radio frequency...»

Synopsis abstract : «Abstract. Introduction. Optical CDMA for access networks. Fair division of bandwidth. Flexibility. Network control and management. Service differentiation. Security. Technological barriers to acceptance. Shot and beat noise. Forward error...»

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Code division switching

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   4 pages
Document abstract : «Code division may be considered as a generalized method for access and switching in communication networks. Such an approach may be viewed as a user encoding process where the choice of the code and spreading types can create a large set of access...»

Synopsis abstract : «Abstract. Introduction. Switch architecture. CDS architecture for code multiplexed channels. CDS architecture for multiplexed channels. Evaluation of the switch interference. The switch interference coupling. The switch control and optimization. The...»

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An application layer communication interface for a combat management system for naval ships

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   5 pages
Document abstract : «The objective of the system is to provide a state of the art technology "Decision Support System" to the command. The system is referred as "Combat Management System: CMS-SNF ". The system is hosted on the naval ships. The CMS-SNF system is...»

Synopsis abstract : «Abstract. Introduction. Changing the very nature of the battle space. Operational architecture view. Systems architecture view. Technical architecture view. Combat management system (CMS). Scope. System capabilities. TDS data server. Network health...»

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Image based watermarking and authentication mechanism

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   5 pages
Document abstract : «Popular transforms include the Discrete Cosine Transform (DCT) and the Discrete Wavelets Transform (DWT) that allow us to place the water mark easily into the perceptually significant parts of an image. This leads to a mark that is more resistant to...»

Synopsis abstract : «Abstract. Introduction. Principle of the watermark application. Formation of the watermark in DCT. Formation of the watermark in DWT. Requirements on watermarking schemes. Experiment results. Mid frequency band results. DWT result using PN...»

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Biometric security system

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   5 pages
Document abstract : «One of the most common causes of network security breaches is easily guessable or insecure passwords. Many users choose common names or words that are in any dictionary; others use the same passwords everywhere or write them down where they can be...»

Synopsis abstract : «Introduction. The need for security. History of biometrics. How biometrics works?. Capture. Extraction. Comparison. Decision. Identification by biometrics. Fingerprints. Iris/retinal. Face. Voice. Hand geometry. Hand writing. Biometrics...»

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Reliable group key distribution protocol with source authentication

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   4 pages
Document abstract : «IP multicast provides efficient group communications. It conserves network resources by transmitting a single copy of the packet on each link. It also supports large multicast groups with frequent membership changes. But it does not ensure secure...»

Synopsis abstract : «Introduction. Notations. Logical key tree at group controler. Join operation. Leave operation. Replay attack. Scenario 1. Session hijack. Scenario 2. Delayed disclosure. Scenario 3. The approach. One-way chains. Authentication procedure. Simple join...»

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Data Warehouse

Science & technology   |   Electronics   |   Term papers   |   10/08/2009   |   .pdf   |   5 pages
Document abstract : «Nowadays data is everywhere and yet we are not able to access proper data that we want effectively. You can't get the data that you want, you can't understand the data you found and you can't effectively use the data you found. There is data in...»

Synopsis abstract : «Introduction. Meaning of a data warehouse. Usage of data warehouse. Decision support. Evolution of decision support. The data warehousing process. OLTPS vs data warehouse. Characteristics. Data marts. Building a data mart. Warehouse models and...»

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The hybrid electric vehicle as a cultural object

Science & technology   |   Electronics   |   Term papers   |   09/23/2009   |   .doc   |   9 pages
Document abstract : «The American public imagination is steeped in images of cars. Long ago, the car took over for the horse as the best romantic vehicle to ride off into the sunset. Pop culture throughout the existence of the car is riddled with references to it. Just...»

Synopsis abstract : «Introduction. The first try: A brief history of the electric car. Zero Emission Vehicle Mandate . The HEV: Close enough. The birth of new technology. The rise of the hybrid: Green marketing. The commercial viability of lower-emission vehicles. Green...»

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Blackberry technology

Science & technology   |   Electronics   |   Term papers   |   09/22/2009   |   .doc   |   5 pages
Document abstract : «Mobile solutions are developing and so is its technology. Like the early Web boom, we have the mobile era coming soon. New technologies and new platforms in the mobile world are coming into light. Technology seems to discover into the perspective of...»

Synopsis abstract : «Introduction. Characteristics of black berry technology. Operating system. Supporting software. Working of black berry. An overview of push technology. Working of push technology. Benefits. Conclusion....»

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Simulation of transient for power transmission lines

Science & technology   |   Electronics   |   Term papers   |   09/21/2009   |   .pdf   |   6 pages
Document abstract : «Switching operations, faults, lightning surges, and other intended or unintended disturbances cause temporary over voltages and currents in power transmission lines. The system must withstand these over voltages with a certain probability or their...»

Synopsis abstract : «Introduction. Origin of transient in power system. Traveling waves phenomenon in analysis of transmission lines. The effect of short length of cable in transmission line. Closing of registors for EHV . Conclusions. Referenc...»

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Marvelous Micro Electro-Mechanical Systems

Science & technology   |   Electronics   |   Term papers   |   09/21/2009   |   .pdf   |   4 pages
Document abstract : «Attention to microelectromechanical systems (MEMS) continues to increase worldwide and MEMS has a phenomenal growth in the past decade because of wide range of application. MEMS technology is become most rapid changing field today, this is due to...»

Synopsis abstract : «Introduction. Challenges for MEMS products. MEMS manufacturing procedure. Packaging of MEMS. Types of MEMS packaging. Methods of MEMS packaging. MEMS applications. Conclusions. References....»

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Power quality issues and mitigation of voltage dips using power conditioning equipments

Science & technology   |   Electronics   |   Term papers   |   09/21/2009   |   .pdf   |   5 pages
Document abstract : «Most of the industrial loads are mainly controlled by power semiconductor devices. These devices make such loads to be more sensitive against power system disturbances. Thus, the power quality problems have gained more interest recently. This paper...»

Synopsis abstract : «Introduction. Power quality issues. Voltage quality. Current quality. Voltage swells. Voltage/current transients. Harmonic distortion. Voltage flicker. Voltage unbalance. Phase- angle jump. Voltage dips. Causes and characterization of voltage...»

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Power quality aspects for power system and industrial utilities

Science & technology   |   Electronics   |   Term papers   |   09/21/2009   |   .pdf   |   7 pages
Document abstract : «Power Quality is the headache for industrial utilities due dependence on the regional grid systems. The good quality power is always not available but dirty power is often found in the electrical systems. The dirty power causes severe problems in...»

Synopsis abstract : «Abstract. Introduction. Power quality problems. Causes of harmonic distortion. Evaluation of harmonic distortion. Classification of harmonics and their effects. Harmonics mitigation methods. Over-sizing or derating of die installation. Isolation...»

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Digital audio broadcasting

Science & technology   |   Electronics   |   Term papers   |   09/21/2009   |   .pdf   |   4 pages
Document abstract : «Digital Audio Broadcasting, DAB, is the most fundamental advancement in radio technology. It gives listeners interference- free reception of high-quality sound, easy-to-use radios, and the potential for wider listening choice through many additional...»

Synopsis abstract : «Abstract. Introduction. Main features of dab system. Flexible audio bite-rate. Data services. Programme Associated Data (PAD). Conditional Access (CA). Service Information (SI). Generation of DAB signal. Various Services. Audio services . Data...»

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Design of a high performance, low power, fully differential telescopic cascode amplifier using common-mode feedback circuit

Science & technology   |   Electronics   |   Term papers   |   09/21/2009   |   .pdf   |   4 pages
Document abstract : «High gain differential amplifier is ubiquitous in today's analog circuits owing to its improved immunity to noise, larger output swings and reduced distortion. In particular, an amplifier with high speed and low power dissipation has high utility in...»

Synopsis abstract : «Abstract. Introduction. Design methodology. Estimating design parameters. Generating biases. Sensing the common mode level (VCM). Auxiliary amplifier. Return mechanism. Results of design methodology. Conclusion....»

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An overview of waste to energy a green technology for generation of electrical energy

Science & technology   |   Electronics   |   Term papers   |   09/21/2009   |   .pdf   |   5 pages
Document abstract : «The problem of unhygienic disposal of municipal solid waste in open damping yards could be reduced to some extent by its useful utilization in converting it to energy. The non sanitary land filling practice has resulted in severe environment...»

Synopsis abstract : «Abstract. Introduction. Potential of WTE. Technology review. Incineration. Mass burning. RDF burning. Waste to electrical generation. Status and cost. Technical challenges. Conclusion. Bibliography....»

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The commit protocol for truthful and cost-efficient routing in Ad Hoc networks with selfish nodes

Science & technology   |   Electronics   |   Term papers   |   09/20/2009   |   .pdf   |   10 pages
Document abstract : «Ad Hoc networks are expected to revolutionize the wireless communications in the next few years. One of the fundamental tasks any ad hoc network must perform is routing. Since the network is in general multi-hop, a routing protocol is needed in...»

Synopsis abstract : «Abstract. Introduction. Application scenario and motivation. The system model. Network model. Modeling routing as a game. The COMMIT protocol. Design guidlines. The pricing scheme. Protocol specification. Protocol analysis. Energy...»

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High quality voice for mobile communication system

Science & technology   |   Electronics   |   Term papers   |   09/20/2009   |   .pdf   |   3 pages
Document abstract : «The modern 3G networks developed over a period of time have grown and their capacities multi fold and furthermore are going from the traditional circuit switching to the packet switching. Both these factor have given rise to a totally new concept of...»

Synopsis abstract : «Abstract. Background. User and operator benefits of improved voice quality. System aspects. Core network. Air interface. Conclusion. Bibliography....»

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Software oriented architecture as designer approach for mobile augmented reality system

Science & technology   |   Electronics   |   Term papers   |   09/18/2009   |   .pdf   |   6 pages
Document abstract : «SOA is not new; it has previously been implemented in proprietary ways that means it was very difficult if not impossible for disparate computers to intelligently communicate with each other. An IT Architecture style that supports service...»

Synopsis abstract : «Abstract. SOA. Importance of SOA. SOA architecture. SOA attributes. Enterprise SOA vs. Application SOA. Characteristics of web services. Application of SOA. Augmented Reality (AR) & Mobile Augmented Reality S...»

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Occupational therapy: Assistive technology recommendations for client 'George'

Science & technology   |   Electronics   |   Case study   |   09/03/2009   |   .doc   |   4 pages
Document abstract : «The enclosed case-study is a follow-up to the previous report on client "George," a seventy-one year old high-functioning male retiree living in an independent unit with his spouse, and contains recommendations on an appropriate AT device usages...»

Synopsis abstract : «Introduction. Assessment of client and AT needs using MPT. Context for client and significant others. Client goals. Implementation and usage of PDA device with AIMS. Other required AT devices. Evaluation of potential outcomes. Ethical...»

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The mobile story

Science & technology   |   Electronics   |   Term papers   |   08/31/2009   |   .doc   |   4 pages
Document abstract : «How did we ever manage without our cell phones? It is truly amazing to even think that there was a time not too long ago when we did not have our mobile handsets with us when we ventured out of our homes or offices. Let us try and demystify some of...»

Synopsis abstract : «Introduction. Global System for Mobile Communication. SIM (Subscriber's Identity Module). TDMA (Time Division Multiple Access) technology. Using a GSM network. CDMA (Code Division Multiple Access) technology. 3G networks. HSPA (High Speed Packet...»

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A study of LCD displays

Science & technology   |   Electronics   |   Theses   |   07/08/2009   |   .doc   |   36 pages
Document abstract : «The important considerations in the present field of electronics and electronic technologies are automation, power consumption and cost effectiveness. Automation is intended to reduce the manpower with the help of intelligent systems. In this...»

Synopsis abstract : «Introduction. Hardware components. Micro controller 89C51. Introduction. The major features. AT89C51 microcontroller architecture. Technical overview of flash memory. Oscillator characteristics. Photo diode. Dark current . Noise-equivalent power...»

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A study of home security system

Science & technology   |   Electronics   |   Term papers   |   07/08/2009   |   .doc   |   27 pages
Document abstract : «Home security systems provide security from threats such as intruders or thieves, by sounding a siren to grab the attention of the public. Two sensor pairs are placed in the system. Among them one pair of receiver sensors is connected to the...»

Synopsis abstract : «Introduction. Difference between micro controller and micro processor . Block diagram and kit diagram. Micro controller architecture (AT89C52). Features of micro controller . Pin diagram and description. Port pin alternate functions. AT89C52 block...»

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A study of tele-operated intelligent mobile robots

Science & technology   |   Electronics   |   Theses   |   07/07/2009   |   .doc   |   30 pages
Document abstract : «Real time embedded systems are time-critical systems that are hard to implement as compared to traditional software, due to large numbers of conflicting requirements. This project describes an application of advance modeling techniques to improve...»

Synopsis abstract : «Introduction. Hardware description. AT89S52 micro-controller . Features . Architechture of ATMEL 89S52 micro-controller . Connection diagrams. Advantages and disadvantages of L293D. Regulated power supply. Hardware design. Software design. Language...»

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Applications using RF modules

Science & technology   |   Electronics   |   Theses   |   07/06/2009   |   .doc   |   36 pages
Document abstract : «An embedded project is a combination of hardware and software, designed to perform a specific task. In embedded technology the embedded programming is burnt into the AT8C52 micro controller. The main scope of the project is mainly based on the...»

Synopsis abstract : «Abstract. Block diagram. Introduction . Components description. Introduction to microcontrollers. PCB design. Power supplies. LCD display. RS 232. Encoder . Decoder. Working. Advantages . Disadvant...»

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Optical fiber based communication systems

Science & technology   |   Electronics   |   Term papers   |   06/18/2009   |   .doc   |   26 pages
Document abstract : «For years, fiber optics has been merely a system for piping light around corners and into the inaccessible places to allow the hidden to be lighted. But now, fiber optics has evolved into a system of significantly greater importance and use....»

Synopsis abstract : «Introduction. Optical fibre communication and data system. Fibre material. Optical communication link. Types of light wave communication. Basic elements of optical fibre system. Propogation in optical fibres. Principle. Attenuation . Advantages of...»

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One dimensional cellular automata based security scheme with both authentication and confidentiality

Science & technology   |   Electronics   |   Term papers   |   06/16/2009   |   .doc   |   11 pages
Document abstract : «In the past few years organization have widely adopted local area network (LAN), wide area network (WAN) and internet to take advantages of advancement in technology1, 2. As a result of connecting private and internal network to the outside network,...»

Synopsis abstract : «Abstract. Introduction. Basic of cellular automata. Authentican of the data transmitted . Between sender and receiver. Strategy of the authentication scheme. Receiving end. The security scheme . Authentication and security protocol. Results and...»

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Network security on Bluetooth

Science & technology   |   Electronics   |   Presentation   |   06/16/2009   |   .doc   |   5 pages
Document abstract : «Wireless communications offer organizations and users many benefits such as portability and flexibility, increased productivity, and lower installation costs. Wireless local area network (WLAN) devices, for instance, allow users to move their...»

Synopsis abstract : «Abstract. Introduction. Bluetooth overview. Key characteristics of bluetooth technology. Problems with the bluetooth standard security. Security recommendations. Conclusion. References....»

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Nano-robots: The molecular manipulators

Science & technology   |   Electronics   |   Term papers   |   06/16/2009   |   .doc   |   8 pages
Document abstract : «A human fetus begins life as a single cell, and then divides to become two cells, then four, then eight and so on. Nanotechnology aims to build in a similar way, constructing objects out of their most basic components. A nanometer is a thousandth of...»

Synopsis abstract : «Abstract. Introduction. Limitations of current medicine. Nanorobots as a solution. Requirements of a nano-robot. A study on nano-robots communications. Nano robots at work. Fields of applications. Nano robot for eye treatment. The challenges in nano...»

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Cellular communication technologies: Understanding how the cellular service works

Science & technology   |   Electronics   |   Term papers   |   06/16/2009   |   .doc   |   7 pages
Document abstract : «Today's work force is demanding mobility, flexibility and real-time access to critical data. Over recent years, the trend towards the smaller and faster device, coupled with the need for information access on the move, has paved the way for a new...»

Synopsis abstract : «Introduction. Mobile communication principles. Mobile telephone using the cellular concept. Cellular system architecture. Switching. Architecture. GPRS technology. Conclusion. References....»

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Location-based service over 3GPP IMS: Approaching real-time connectivity with the next generation of network communication

Science & technology   |   Electronics   |   Presentation   |   06/11/2009   |   .pdf   |   5 pages
Document abstract : «Emerging mobile applications will need location information for delivering the right services to right persons at right places and time. A location-based service (LBS) is an information and entertainment service, accessible with mobile devices...»

Synopsis abstract : «Abstract. Introduction. 3GPP IP multimedia subsystem. 3GPP and 3GPP2 (3rd Generation Partnership Project). IP multimedia subsystem. Concept of location based services. Position. Location. Location Service (LCS). IMS Location Server (ILS). Mobile...»

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Motion picture compression technique used in digital television sets

Science & technology   |   Electronics   |   Term papers   |   06/11/2009   |   .pdf   |   5 pages
Document abstract : «Digital television is a completely new way of broadcasting and is the future of television. With the advent of digital technology, digital audio and video compression and other advanced signal processing, it is possible to transmit and receive...»

Synopsis abstract : «Abstract. Introduction to digital television. Why use digital television?. Crystal clear picture and sound. Big picture. Multicasting. Data casting. Interactive application. Technical background. Compression and MPEG (Moving Picture Expert...»

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Speech processing using wavelete transformation and its implementation in digital hearing aids

Science & technology   |   Electronics   |   Term papers   |   06/11/2009   |   .pdf   |   4 pages
Document abstract : «Hearing impairment is the number one chronic disability affecting people in the world. Many people have great difficulty in understanding speech with background noise. This is especially true for a large number of elderly people and the...»

Synopsis abstract : «Abstract. Normal cochlear function. Hearing aids. Analog hearing aids. Digital hearing aids. Speech enhancement using wavelet. Daubechies wavelet filter coefficients. Discrete wavelet transform...»

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Implementation of vector quantization technique in image compression and speech recognition

Science & technology   |   Electronics   |   Term papers   |   06/11/2009   |   .pdf   |   6 pages
Document abstract : «In this paper, we have described the application of Vector Quantization in Image and Speech processing. Compressing image data by using Vector Quantization (VQ)[1]-[3] will compare Training Vectors with Codebook. The result is an index of position...»

Synopsis abstract : «Abstract. Introduction. Codebook design. LBG algorithm. Mathematical analysis of LBG algorithm. Splitting codebook design. Experiment and output. Vector quantization in speech recognition. Algorithm. Pre processing. Mel frequency wrapping...»

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A report on activities on and around OFDM

Science & technology   |   Electronics   |   Term papers   |   06/09/2009   |   .pdf   |   5 pages
Document abstract : «Multi-carrier communications are currently in a state of very rapid development, both in the introduction of new techniques and in application to a wide variety of channels and services. Orthogonal Frequency-Division Multiplexing (OFDM) is a...»

Synopsis abstract : «Introduction. Multi-path effect on high speed serial communication. Multi carrier transmission. OFDM implementation using DFT. Guard interval concept. Quality improvement techniques. Conclusion. References....»

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Wireless communication: Global positioning system

Science & technology   |   Electronics   |   Term papers   |   06/09/2009   |   .pdf   |   7 pages
Document abstract : «GPS technology is one of the significant inventions of the twentieth century. GPS has become a popular device in western countries but has not yet reached the household of the common man in India. With globalization, GPS and its related technology...»

Synopsis abstract : «Introduction. Meaning of global positioning system - GPS. Portable GPS uses. The future of GPS. Navigation systems and GPS signals. The GPS constellations. Applications. Conclusion. References....»

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Performance analysis of OFDM communication systems

Science & technology   |   Electronics   |   Term papers   |   06/09/2009   |   .pdf   |   5 pages
Document abstract : «Today life does not seem possible without wireless in some form or the other. The demands on bandwidth and spectral availability are endless. Consequently, wireless designers face an uphill task of limited availability of radio frequency spectrum...»

Synopsis abstract : «Abstract. Introduction. Block diagram of overall system. Comparison with CDMA. Stimulation results. Definition of multi-antena OFDM systems. Results and conclusion. References....»

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Auto negotiation in IEEE 802.3 based layer 2 devices: A review

Science & technology   |   Electronics   |   Term papers   |   06/09/2009   |   .pdf   |   4 pages
Document abstract : «Auto Negotiation is an optional yet one of the standard Plug and Play features available in almost all modern day IEEE 802.3u (Fast Ethernet) and as a mandatory feature in IEEE 802.3ab Gigabit Ethernet compliant devices. Today's Fast Ethernet...»

Synopsis abstract : «Introduction. The auto-negotiation standard. The arbitration control. Recent developments. Conclusion. References....»

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Mobile robotic arm and its future scope

Science & technology   |   Electronics   |   Term papers   |   06/09/2009   |   .pdf   |   4 pages
Document abstract : «A Robot can be defined as a programmable, self-controlled device consisting of electronic, electrical, or mechanical units. More generally, it is a machine that functions in place of a living agent. Robots are especially desirable for certain work...»

Synopsis abstract : «Introduction. Functions of mobile robot arm. Network through control. Speech through control. Conclusion. Referencing....»

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Interactive information display embedded system designed using I2C protocol

Science & technology   |   Electronics   |   Term papers   |   06/09/2009   |   .pdf   |   4 pages
Document abstract : «With the growing importance of the embedded systems, the need to design embedded applications with microcontrollers having advance features is gaining prominence. In the presented work I2C protocol is used to make an interactive information display...»

Synopsis abstract : «Abstract. Introduction. Block diagram and description. Configuring HyperTerminal for communication with the system. Software and description. Conclusion. References....»

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Security challenges in wireless sensor networks

Science & technology   |   Electronics   |   Term papers   |   06/09/2009   |   .pdf   |   5 pages
Document abstract : «Wireless sensor networks (WSNs) are wireless ad hoc networks of tiny sensor nodes. As a result of advances in sensor technology and wireless communication, sensor networks have emerged as an indispensable and important new tool for multiple civilian...»

Synopsis abstract : «Introduction. Sensor network architecture and requirements. Security requirements. Obstacles of sensor security. Security issues and solutions. Conclusion. References....»

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Developing a high speed memory interface

Science & technology   |   Electronics   |   Term papers   |   06/09/2009   |   .pdf   |   4 pages
Document abstract : «A common problem for today's system designers is to reliably interface with their next generation high-speed memory devices. As system bandwidths continue to increase, memory technologies have been optimized for higher speeds and performance. As a...»

Synopsis abstract : «Introduction. Memory applications. DDR and DDR2 SDRAM controller. QDR SRAM memory controller. Dedicated double data rate I/O logic elements. LatticeSC switchable I/O termination. RLDRAM1 and 2 memory controller. Embedded memory controller...»

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Optical wireless communication

Science & technology   |   Electronics   |   Term papers   |   06/08/2009   |   .pdf   |   7 pages
Document abstract : «Today's information economy depends on the transmission of data, voice and multimedia across telecommunication networks. Optical networks remain the most ideal medium for high-bandwidth communications for true connectivity. There are two distinct...»

Synopsis abstract : «Introduction. Deployment strategies. Breaking the bandwith bottleneck. Advantages of free space optics (FSO). FSO applications and challenges. High speed building to building connectivity enable with optical wireles...»

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Inverted suspended space fed microstrip antenna for wireless applications

Science & technology   |   Electronics   |   Term papers   |   06/08/2009   |   .pdf   |   6 pages
Document abstract : «The basic microstrip antenna (MSA) is a resonant patch of metal, etched on the surface of grounded dielectric slab. The dielectric material is replaced with air to improve the bandwidth and to minimize losses. The proposed space fed microstrip...»

Synopsis abstract : «Introduction. Analysis model. Analysis and results on infinite ground plane. Analysis and results on finite ground plane and finite substrate . Conclusion. References....»

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WiBro technology

Science & technology   |   Electronics   |   Term papers   |   06/08/2009   |   .pdf   |   6 pages
Document abstract : «This technology is the latest advancement in Wireless Communication which presents drastic change in Wireless Internet and helps connect each and every person globally. It is the most advanced and upcoming technology now a days. WiBro is the...»

Synopsis abstract : «Introduction. Network management in WiBro system and architecture. Key factors related to WiBro technology. Modeling and analysis of proposed network management for indoor system . Numerical results and discussio...»

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Brain finger-printing

Science & technology   |   Electronics   |   Term papers   |   06/08/2009   |   .pdf   |   5 pages
Document abstract : «Brain Fingerprinting Laboratories, Inc. has developed and patented EEG/P300 based testing systems that determines, with extremely high accuracy, whether or not specific information is stored in a person's memory. The test measures individual...»

Synopsis abstract : «Introduction. How brain fingerprinting testing works - Criminal justice system. Helps to exonerate the innocent. Helps to catch a serial killer. National security applications. Medical diagnostics. Additional applications and a scientific solution...»

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DSP based excitation controller for synchronous motor

Science & technology   |   Electronics   |   Term papers   |   06/08/2009   |   .pdf   |   5 pages
Document abstract : «Induction motors are widely used in industrial production processes. Use of an induction motor will result in increased lagging power factor. This power factor must be corrected by adding capacitors. If not, the result is the penalty of larger kVA...»

Synopsis abstract : «Introduction. Overview of synchronous. Types of excitation system. Power factor control and VAR operation. Protection and conclusions. References....»

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Commutative analysis of a stepper motor drive

Science & technology   |   Electronics   |   Term papers   |   06/08/2009   |   .pdf   |   7 pages
Document abstract : «In this paper, the designs of the various drives of the stepper motor are presented. The main objective of this paper is to analyze the various drives of the stepper motor. Basically the Design consist four sections. First part is power supply. We...»

Synopsis abstract : «Introduction. The power drivers. Design consideration. Recovery on high voltage. Series resistance driver. The main applications and the future scope. Conclusion. Bibliography....»

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A comparative study of GSM & CDMA technology

Science & technology   |   Electronics   |   Term papers   |   05/28/2009   |   .doc   |   16 pages
Document abstract : «The mobile industry in India is divided between the two technologies GSM and CDMA. While the earlier service providers had adopted the GSM technology, the new players have been using CDMA technology and have notched up a significant share of the...»

Synopsis abstract : «Introduction. Executive summary. Current market situation. The network structure of GSM. The cellular showdown: CDMA vs. GSM . Technology in practice . GSM service providers. CDMA service providers. Conclusion. B...»

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GIS training: Distribution system management

Science & technology   |   Electronics   |   Term papers   |   05/28/2009   |   .doc   |   30 pages
Document abstract : «Reliable and sufficiently detailed data is required to facilitate decision making in all activities and Distribution System Management. Controlling costs improve efficiency and reducing down time has become essential for a utility in order to be...»

Synopsis abstract : «Executive summary. Objective of the project. Significance of the study. The role of GIS in electricity distribution network. Conceptualisation. GIS definition. Basic concepts. Scale . Coordinate systems. Phases of implementation. Creation of BASE...»

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An absolute security system with a password for sending secret data files

Science & technology   |   Electronics   |   Theses   |   05/27/2009   |   .doc   |   52 pages
Document abstract : «This is a work done on "cryptography". Conventionally, data is protected from unauthorized interception or eavesdropping by analog techniques. In a digital data security system, when you press a button in the DTMF generator set keypad for data send...»

Synopsis abstract : «Introduction. Construction and working. Circuit description . Power supply. Circuit and block diagram. Components. Applications. Advantages and disadvantages. Soldering techniques . Precautions. Bibliography....»

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A look at local area networks and some of its variants: With a special reference to Bharat Electronics Limited

Science & technology   |   Electronics   |   Theses   |   05/27/2009   |   .doc   |   38 pages
Document abstract : «India, as a country, has been very lucky with regard to the introduction of telecom products. The first telegraph link was commissioned between Calcutta and Diamond Harbor in the year 1852, which was invented in 1876. First wireless communication...»

Synopsis abstract : «Bharat Electronics Limited. Corporate motto, mission and objectives. Manufacturing units. Joint ventures. Customer profile and BEL product range. Financial performance. BEL Ghaziabad unit. Formation. Product range. Organization. Design and...»

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The architecture and functioning of OCB-283: The switching node in the Alcatel 1000E

Science & technology   |   Electronics   |   Term papers   |   05/27/2009   |   .doc   |   20 pages
Document abstract : «This document relates to the O.C.B 283 system, switching node in the ALCATEL 1000E 10 switching system. It outlines the general architecture and operation of the O.C.B.283, both the fixed subscriber centers and the access exchange to services...»

Synopsis abstract : «Preface. Introduction. Salient features of the system. Main technical choices. Hardware. Software. Exchange function architecture. Suscriber access subsystem. Control and connection is the block consisting . Subscriber access system. Connection of...»

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Universal Asynchronous Receiver and Transmitter (UART) (17 slides)

Science & technology   |   Electronics   |   Presentation   |   05/12/2009   |   .ppt   |   5 slides
Document abstract : «Serial communications is the process of sending data one bit at one time, sequentially, over a communication channel or computer bus. Serial communications is used for all long haul communications and most computer networks, where the cost of cable...»

Synopsis abstract : «Introduction. Serial communication . Baud rate . Universal Asynchronous Receiver/Transmitter (UART). Features of UART. A block schematic of the UART transmitter. UART Control Register: UCR. Block diagram of the UART receiver. UBRR settings at...»

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Smart wireless foot pedal: How to make one specific to medical equipment

Science & technology   |   Electronics   |   Presentation   |   05/05/2009   |   .ppt   |   25 slides
Document abstract : «In this project, we will be developing a micro controller based wireless foot pedal system to be used along with medical equipment. Most of the surgical equipments will be controlled by the foot pedals. Most of the surgical equipment will be...»

Synopsis abstract : «Introduction. Meaning of a foot pedal. Meaning of infrared radiation. Remote foot pedal system. Microcontroller. Modulator. Potentiometer. IR transmitter and receiver. In-circuit programmer. Application and advances. Why wireles...»

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Designing an electro-mechanical device with automatic target detection and firing mechanism and a provision for remote controlling the device

Science & technology   |   Electronics   |   Research papers   |   04/23/2009   |   .doc   |   35 pages
Document abstract : «The main aim of any security organization is to provide a comprehensive security net to its client. However, in the process the cost of the whole process in terms of labor and money needs to be considered. Many times the work force gets limited due...»

Synopsis abstract : «Introduction. Features. Components used. Microcontrollers. DTMF coder . DTMF decoder. 555 timer. Stepper motor. Relays. Parallel port. Hardware description. Microcontroller. Block diagram. Explanation of the block diagram. Software...»

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Commodity futures market

Science & technology   |   Electronics   |   Theses   |   03/05/2009   |   .doc   |   40 pages
Document abstract : «India has a long history of commodity futures trading, extending over 125 years. Still, such trading was interrupted suddenly since the mid seventies in the fond hope of ushering in an elusive socialistic pattern of society. As the country embarked...»

Synopsis abstract : «Introduction.. What is a 'Commodity'?. How the futures market came about.. The meaning of futures market.. Salient features of a 'Commofity futures contract'.. The main difference between the physical and futures market.. Basics of futures...»

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The disposable DVD (DVD-D)

Science & technology   |   Electronics   |   Term papers   |   01/13/2009   |   .doc   |   3 pages
Document abstract : «The DVD-D is a standard DVD that can be used only for several hours after the card board sleeve has been opened. But the sleeve can be opened anytime: now, in one day, in one week, in one month or in several years. Then the DVD-D has a restricted...»

Synopsis abstract : «Presentation of the product.. A new concept.. Instruction manual.. Directions for use.. Composition of the product.. Situation analysis.. Product analysis.. Market analysis.. Marketing strategy.. Target market.. Marketing...»

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The use of GIS (Geographic Information Systems) by banks

Science & technology   |   Electronics   |   Presentation   |   01/13/2009   |   .doc   |   3 pages
Document abstract : «Nowadays, companies are getting more and more involved in Geographic Information Systems. Indeed, Geographic Information Systems (GIS) are a new tool for today's businesses. This statement is confirmed by Peter Keenan (2005). There are in fact...»

Synopsis abstract : «Introduction.. What is Geographic Information Systems?. The definition and meaning of Geographic Information Systems.. Usage of Geographic Information Systems by companies.. The different uses of Geographic Information Systems.. Geographic...»

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On-Line quality control: Advances in sensor technology

Science & technology   |   Electronics   |   Presentation   |   12/04/2008   |   .doc   |   9 pages
Document abstract : «The success of new product introductions lies with consumer acceptance of key food attributes such as texture, color, flavor, freshness, and nutrition. Automation in food processing allows for control of the consistency of these attributes by...»

Synopsis abstract : «Introduction.. The success of new product introductions.. The development of new sensors which address industrial needs.. Types of on-line sensors.. Sensing technologies.. Optically-based sensing.. Electrically-based sensing.. Other sensing...»

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What was TV?

Science & technology   |   Electronics   |   Presentation   |   12/04/2008   |   .doc   |   4 pages
Document abstract : «In the 1950's television became the dominant mass media as people readily brought small screens into their homes in greater numbers of hours per week than ever before. It was clear that television would leave its mark "for good or ill and be under...»

Synopsis abstract : «Introduction.. The late 1940's and early 1950's - tumultuous time throughout the United States.. Communism and Communist countries and an evil image of the enemy.. Rift in the United States government as a result of Cold War.. The power of film - a...»

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Encryption: Security in the age of technology

Science & technology   |   Electronics   |   Presentation   |   10/07/2008   |   .doc   |   5 pages
Document abstract : «Encryption is a word that is associated with mystery and secrecy. For hundreds of years, it is tool that has been used to help protect information. Simply, it is a process that scrambles ordinary textual or written information into something that is...»

Synopsis abstract : «Introduction.. Encryption, a word associated with mystery and secrecy. . The introduction of the Internet.. How DES works.. Different modes of usage.. Problems with DES.. IDEA - the International Data Encryption Algorithm.. How it works.. The...»

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Technology applications of X-ray diffraction for non-destructive testing

Science & technology   |   Electronics   |   Presentation   |   09/10/2008   |   .doc   |   8 pages
Document abstract : «In this article the use of X-ray diffraction in non-destructive testing of materials and machine components is examined. The article contains twelve refeX-ray diffraction finds uses in many applications of science and technology, ranging from...»

Synopsis abstract : «Introduction.. Principles of X-ray diffraction.. X-ray diffraction equipment.. The schematic diagram of the portable X-ray equipment.. Conclusion.....»

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Vehicle interlock systems- An introduction and overview

Science & technology   |   Electronics   |   Presentation   |   09/09/2008   |   .doc   |   9 pages
Document abstract : «Vehicle Interlock Systems, or "Breathalyzer" are systems of alcohol-control installed into vehicles, with the purpose of prohibiting/controlling driver alcohol consumption. The goal of this invention was to reduce or eradicate the ability and/or...»

Synopsis abstract : «Introduction.. History of IID systems.. Composition the technology piece.. Various Interlock Systems used today.. Possible ways to circumnavigate the system.. General costs of the system.. Vehicle Interlock Systems and the law.. Is the program...»

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The main architectural features of the RISC (Reduced Instruction Set Computer)

Science & technology   |   Electronics   |   Presentation   |   07/07/2008   |   .doc   |   6 pages
Document abstract : «The world of computer technology has evolved rather rapidly in the past two decades. Interestingly, while the number of languages and programs available has increased, the specific architectures that are used for building microprocessors have not...»

Synopsis abstract : «Introduction.. RISC processors: An overview. RISC architecture. Instruction sets and formats used. Registers in RISC. Instruction level pipelining.. Comparison of RISC and CISC. Conclusion. Works cited....»

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Examination of scholarly literature on the phenomenon of flashbulb memory

Science & technology   |   Electronics   |   Presentation   |   06/17/2008   |   .doc   |   5 pages
Document abstract : «The processes of memory and recollection are critical for understanding the human mind. Although considerable research has been done with respect to these issues, much of what is known about memory and recall is theoretical in nature. Thus, while...»

Synopsis abstract : «Introduction. Flashbulb Memories. The Special Mechanism Hypothesis. Aging and Flashbulb Memories. Conclusion....»

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The Specific Methods that can be used by the Organization to improve the overall security of its wireless networks

Science & technology   |   Electronics   |   Presentation   |   06/17/2008   |   .doc   |   5 pages
Document abstract : «The advancement of computer technologies has served as the basis for the evolution of organizations. In recent years, the proliferation of wireless technologies has made it possible for employees to work more independently, in some cases eliminating...»

Synopsis abstract : «Introduction. Wireless security issues: An overview. Solutions for security on wireless networks. Encryption. Virtual Private Networks. Tunneling Protocols. Authentication. Personal firewalls. Antivirus software. Con...»

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Digital Evolution

Science & technology   |   Electronics   |   Presentation   |   05/29/2008   |   .doc   |   11 pages
Document abstract : «The turn of the new century has brought outstanding leaps in the realm of technology. The rapid progression of technological development has changed the way our society operates. Moreover, the influence of technology has taken over our lives as a...»

Synopsis abstract : «Introduction. Craig Barrett. The global knowledge economy. Technology as the fabric of life. Moore's law today. Changes in the microscopic level. Value of education: Focus on feople. Technology opportunity in healt...»

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The Telephone

Science & technology   |   Electronics   |   Research papers   |   04/11/2008   |   .doc   |   4 pages
Document abstract : «Phones have been integral to the evolution of communications and can be considered to have been the most prominent icon of interpersonal interactions over long distances. From the moment Alexander Graham Bell say those famous words to Thomas Watson...»

Synopsis abstract : «Introduction. Early history. The origins. Clashes between Bell and Gray . An Italian engineer who has also laid claim to the title of inventor. The telephone. Conclusion. References....»

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