1.1 Waveform of 320ps 1W UWB radar pulse As a consequence resonance and UWB technology are opposite concepts. Resonance means narrow band‚ while ultra wideband means a wider band‚ or even the widest. Unlike conventional radio systems‚ resonating circuits are not used in UWB radio. Actually they are‚ or should be‚ avoided‚ even if it is not quite easy to do so. A.S.I.E.T‚ Kalady Department Of Electronics And Communication 1 Uwb Radar And Applications Figure 1.2 A sinusoidally shaped UWB pulse
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Do you agree or disagree with the following statement? Television has destroyed communication among friends and family. Use specific reasons and examples to support your opinion. While TV has been blamed for many of society’s failings‚ especially as a time consumer for the masses‚ it might also be the source of many of our ideas and information. Arguably‚ the ideas and information may be suspect in terms of quality and value but TV has probably become a major focal point in most homes throughout
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only observe and not handle them. Kinescope‚ i.e.‚ sight and sound recording can be made from the television screen. It is just like transcription from the radio. Television transmission may lessen the work or function of the teacher but it is only to supplement the work of the teacher as it is only a one-way communication media. While radio is only an auditory device the television is an audio-visual contrivance to further facilitate the learning and teaching programme. Television is now considered
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Advantages and Disadvantages of Internet Advantages Faster Communication The foremost target of Internet has always been speedy communication and it has excelled way beyond the expectations. Newer innovations are only going to make it faster and more reliable. Now‚ you can communicate in a fraction of second with a person who is sitting in the other part of the world. For more personal and interactive communication‚ you can avail the facilities of chat services‚ video conferencing and so on
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programmes. Before the 50s people were not tied to a particular room. Radio was king and you could listen to it anywhere. In the 50s‚ new inventions included the TV dinner which was eaten off a folding tray in front of the TV. There were certain programs that killed the movies on those nights. Television transformed the way Australians received information. It soon became Australia’s dominant form of mass communication‚ taking over from radio and cinema and posing a challenge to print media. Television also
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electromagnetic waves/microwaves. Then in 1888 Heinrich Hertz was the first to demonstrate the existence of microwaves by building an apparatus that detected and produced microwaves in the UHF region. Also in 1894 J. C. Bose publicly demonstrated radio control of a bell using millimeter wavelengths‚ and conducted research into the propagation of microwaves. Origin(s): One origin of microwaves include a maser‚ which is similar to a laser but it runs on microwaves. Wavelength and Frequency Range:
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were the only records around then. We also had a battery operated radio that we listened to some. You could not run the radio too much or you would run the battery down too soon. There were not very many radio stations then and most of them were at very distant locations. Dad had extra tall posts‚ about 12 ft‚ in each corner of our front yard with a wire running from one to the other and then into the house to the radio
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Advantages Rapid Deployment – A microwave link can be installed in as little as one day No right-of-way issues – Radio spans all obstacles such as roads‚ railways‚ etc.‚ avoiding any requirement to seek permissions that inevitably are costly and introduce time delays. Flexibility – The capacity of a microwave link can be easily increased at minimal or even no cost. Radios can also be redeployed if network needs change or as a result of customer churn. Losing customers does not mean assets are
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iLab tab. Spread Spectrum Transmission Comparison Introduction to Spread Spectrum Transmission Guidelines What is it? Why is it important? What issues are addressed? How does it work? Spread spectrum is a technique used for transmitting radio or telecommunications signals. Spread spectrum is an important component of code division multiple access (CDMA) technology‚ which is used in cellular telecommunications. The issues that spread spectrum addresses are noise reduction‚ security and resistance
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Television is a system for reproducing on a screen visual image transmitted by a radio signal. T.V short for television is popular among many people around the world. It is a means of communication. No‚ I don’t believe that television has any contribution on isolating people. The excerpt says “At first‚ television watching was a communal affair; …………..proudly invite the neighbors in to view the marvelous box”. I completely disagree with this line. For me communal affairs are those activities
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