The sensitivity of a radar receiver is ultimately set by
A. high SNR
B. lower limit of useful signal out
C. overall noise temperature
D. pulse energy
Answer: Option C
A. high SNR
B. lower limit of useful signal out
C. overall noise temperature
D. pulse energy
Answer: Option C
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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