Consider a 10-GHz airborne radar traveling straight, level, and forward at
200mph at an altitude of 30,000 feet. The antenna is pointed at an azimuth angle of
0degree and an elevation angle of -20 degree. What will be the radial velocity in meters per
second of echoes for stationary scatterers in the following locations:
(a) Directly ahead of the aircraft,
(b) At the point where the antenna boresight intercepts the ground,
(c) Directly below the aircraft,
(d) On the ground directly to the left or right of the aircraft (azimuth angle of +- 90degree),
and
(e) Directly behind the aircraft?
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