Question: (a) Develop an expression for the minimum PRF of a pulsed radar. (b) Compute for a closing target whose velocity is . (c) What is

(a) Develop an expression for the minimum PRF of a pulsed radar.

(b) Compute for a closing target whose velocity is .

(c) What is the unambiguous range? Assume that .

dBm 10 P 1mW

????------------????

= log???? ????

dBW 10 P 1W

????--------????

= log???? ????

mm6 m–3 200Hz 750Hz 5KW 20ms

???? = 1????s 3KHz 30m

???? = 0.3m 1.5GHz fr = 10KHz v = 150m ???? s

????a = 30???? ????e = 15???? ???? = 0.1m 30cm 45KHz frmin 400m ???? s

???? = 0.2m

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