An automotive radar operates at a frequency of 8 GHz. The Doppler shift due to an automobile directly approaching the radar at a speed of 160 km per hour is
A. 2.37 kHz
B. 23.7 kHz
C. 8 kHz
D. 8 GHz
Answer: Option A
A. 2.37 kHz
B. 23.7 kHz
C. 8 kHz
D. 8 GHz
Answer: Option A
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
Join The Discussion