Which of the following statement is not true about delay line cancellers?
A. It eliminates DC components of fixed targets and passes AC components of moving targets
B. It is used in moving target indicator radar
C. Time delay in one channel of the delay line canceller is one half of the pulse repetition period
D. It rejects any moving target whose Doppler frequency happens to be the same as the PRF or a multiple thereof
Answer: Option C
This Question Belongs to Electronics And Communications Engineering >> Satellite Communication
Collects very weak signals from a broadcast satellite
A. Helical antenna
B. Satellite dish
C. LNA
D. TWT
Is a loss of power of a satellite downlink signal due to earth’s atmosphere.
A. Atmospheric loss
B. Path loss
C. Radiation loss
D. RFI
As the height of a satellite orbit gets lower, the speed of the satellite ___________.
A. Increases
B. Decreases
C. Remains the same
D. None of the above
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