Fundamentals of Applied Electromagnetics (7th Edition)
7th Edition
ISBN: 9780133356816
Author: Fawwaz T. Ulaby, Umberto Ravaioli
Publisher: PEARSON
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Chapter 10.4, Problem 4CQ
What are the sources of noise that contribute to the total system noise temperature of a receiver?
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Explain the role of the low-pass filter in the receiver?
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Chapter 10 Solutions
Fundamentals of Applied Electromagnetics (7th Edition)
Ch. 10.4 - What are the advantages and disadvantages of...Ch. 10.4 - Prob. 2CQCh. 10.4 - How does the use of antenna polarization increase...Ch. 10.4 - What are the sources of noise that contribute to...Ch. 10.8 - How is the PRF related to unambiguous range?Ch. 10.8 - Explain how the false-alarm probability and the...Ch. 10.8 - Prob. 7CQCh. 10.8 - Prob. 8CQCh. 10 - A remote sensing satellite is in circular orbit...Ch. 10 - A transponder with a bandwidth of 400 MHz uses...
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- Define signal-to-noise ratio and noise figure of a receiver. Whenmight the latter be a more suitable piece of information than theequivalent noise resistance?arrow_forwardEnumerate things that can be done to improve transmission distance and communications reliability of VHF and UHF signals.arrow_forward2. Explain the following (a) sensitivity of a receiver (b) selectivity of a receiver. Why are these important characteristics? In what units are they usually expressed?arrow_forward
- a)Draw the block diagram of communication system with all details from microphone to the antenna? B) State the types of signal classification and write there equations.arrow_forward1- Explain the role of the low-pass filter in the receiver? 2- What happens if the low-pass filter frequency parameters were wrongly selected?arrow_forward3. List the three parameters of a high-frequency carrier that may be varied by a low-frequency intelligence.arrow_forward
- Radar with large bandwidths are more susceptible to noise however less susceptible to jamming and detection? Is that correct?arrow_forwardWhat is the mixer in a superheterodyne receiver?arrow_forwardList and discuss the factors influencing the choice of the intermediate frequency for a radio receiver.arrow_forward
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