= An L-band radar has the following specifications: operating frequency fo = 1.5GHz, operating bandwidth B = 2MHz, noise figure F 8dB, system losses L = 4dB, time of false alarm Tfa = 12 minutes, detection range R = 12Km, probability of detection Pp = 0.5, antenna gain G = 5000, and target RCS = 1m.

(a) Determine the PRF f,, the pulse width 1, the peak power P,, the probability of false alarm Pfa, and the minimum detectable signal level Smin

(b) How can you reduce the transmitter power to achieve the same performance when 10 pulses are integrated noncoherently?

(c) If the radar operates at a shorter range in the single pulse mode, find the new probability of detection when the range decreases to 9Km.