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Satellite Communication MCQ Questions & Answers | ECE

Learn Satellite Communication MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Satellite Communication MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-9 section-2

Each section contains 100 MCQs on Satellite Communication .
81
Same Amplitude, 90° phase difference indicate which polarization?
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Answer & Solution
Answer: Option B
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82
A radar transmitter has a PRF of 1500 PPS and a pulse width of 1 micro second. Its duty cycle is
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Answer & Solution
Answer: Option C
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83
A chip radar is another name for a
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Answer: Option D
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84
Consider the following:
1. Synch
2. Video
3. Sweep
4. Sound
Which of the voltages are found in the output of a normal monochrome receiver video detector?
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Answer & Solution
Answer: Option A
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85
The sensitivity of a radar receiver is ultimately set by
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Answer & Solution
Answer: Option C
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86
The satellite communication link between two point is established with uplink carrier-to-noise ratio of 20 dB and downlink carrier to noise ratio of 14 dB. The overall C/N is close to:
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Answer: Option C
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87
In a typical mobile satellite array antenna, if three elements are activated, how many elements are deactivated?
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Answer: Option A
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88
The biggest disadvantage of CW Doppler radar is that
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Answer: Option C
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89
If the minimum range of a radar is to be doubled, the peak power has to be increased by a factor of
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Answer & Solution
Answer: Option D
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90
Helical antenna is used for satellite tracking because of its
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Answer & Solution
Answer: Option A
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