Communication can be loosely defined as the transmission‚ or the exchange of data or information between individuals‚ groups or organisations‚ through various forms of mediums (Miller‚ 2002). It is one of the most important‚ if not‚ the most important aspect of our individual lives. Communication allows our ideas‚ thoughts and feelings to be conveyed‚ shared and hence interactions between individuals can take place. It can exist in simple non-verbal forms such a baby smiling to show joy and interest
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Digital Systems Principles and Application‚ 8 [4]. AT Command Set (2005) For Nokia GSM/SAGEM and WCDMA Product Version 1.2. [5]. Robert R. (1998) Modern Control System‚ 8 th [7]. Zarlink Semiconductor (1993) Application Note on MT8870 Integrated DTMF Receiver. [11]. Donal Heffernan (2002) 8051 Tutorial‚ University of Limerick. [12]. Theraja B. L. and Theraja A. K. (2003) A Text of Electrical Technology‚ 23 th [13]. Mazidi M. (1987) 8051 Assembly Language Programming and Interfacing‚ Prentice Hall‚ USA
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Spread Spectrum Time Hopping Spread Spectrum Table of Content Introduction 1-2 Concept and features of THSS 3-4 Why was it developed? 5 Advantages and Disadvantages 6 How does it work? 7-8 Use‚ Importance and Application 9 Conclusion 10 Reference 11 Introduction Spread spectrum technology was invented in the 1940s‚ and has been used extensively since then for military and other applications. Spread spectrum is a technique used in radio transmissions whereby a transmitted
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Systems: Fibre-optic telecommunications is simply a method of transmitting information from one place to another extremely fast. This is done by shooting pulses of light through an optical fibre. Creating the optical signal involving the use of a transmitter‚ relaying the signal along the fiber‚ ensuring that the signal does not become too distorted or weak‚ receiving the optical signal‚ and converting it into an electrical signal. An optic-fibre is a small fibre no thicker than a human hair‚ either
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A Power Line Communication Explained (1984) Challenges and Technologies Abstract This paper reviews the sources of attenuation‚ noise and distortion encountered when communicating over AC power wiring. Various technologies which have been used to address these challenges‚ such as spread spectrum and digital signal processing‚ are then examined in light of the known channel conditions. Introduction While the idea of sending communication signals on the same pair of wires as are used for
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BANNARI AMMAN INSTITUTE OF TECHNOLOGY Space Based Solar Power Plant Done By‚ R.Bakyalakshmi Nisha(II-EEE) S.Madhumitha(II-EEE) bakyalakshminisha@gmail.com smadhu06@yahoo.co.in Phone: 9486929017 9788515949
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finder.com). When a person speaks into a telephone‚ the sound waves made by his voice enter the mouthpiece. An electric current carries the sound to the telephone of the person he is talking to. A telephone has two main parts: the transmitter and the receiver. The Transmitter of a telephone
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delivery to cancer affected cells ‚control device small enough to exist in a human’s blood stream‚ and of course playing music and favorite songs and many more applications. Nano radio is a fully functional‚ fully integrated radio receiver from a single walled nano tube. The nano tube serves simultaneously as all essential components of a radio: antenna‚ tunable band pass filter‚ amplifier and demodulator. A direct current voltage source as applied by a battery powers the radio. Using
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behind the ear and a second portion that is surgically placed under the skin. An implant contains a microphone‚ which picks up sound from the Environment‚ a speech processor‚ which selects and arranges sounds picked up by the microphone‚ a transmitter and receiver/stimulator‚ which receive signals from the speech processor and convert them into electric impulses‚ and an electrode array‚ which is a group of electrodes That collects the impulses from the stimulator and sends them to different regions
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ABSTRACT In the age of ecological awareness‚ and the conclusion that energy should not be wasted‚ it is necessary to investigate the places where electrical energy is consumed. The effective energy usage of a device can often be determined by monitoring the according electrical devices over a long space of time. The measuring can easily be done by simple Energy Meters from the local do-it-yourself store. An energy meter is a device that measures the amount of electrical energy that is being consumed
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