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ECE · Q122

Satellite Communication

Engineering and GATE · ECE · question 122

Q122

A monostatic pulsed radar operating at 30 GHz has a transmitter with 2 KW O/P power and an antenna with 30 dB gain. Minimum detectable signal in the receiver is -100 dBm. Determine the maximum range of the radar, if it is required to detect a target having radar cross section of 10 sq.m (consider log104π = 1.1). Assume EM wave propagate under ideal conditions.

A.
10 km
Answer
B.
21.5 km
C.
56 km
D.
100 km

Answer: Option A

Solution

Answer: Option A
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