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An air-surveillance radar operates with a carrier frequency

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Reference no: EM13946623

An air-surveillance radar operates with a carrier frequency of 1 GHz. It has an antennagain of 35 dBi and the azimuth beamwidth is 1.4°. The peak transmitter power is 60 kW,the receiver noise figure is 4 dB and the total losses are 7 dB. The pulse length is 150µsand the pulse repetition frequency is, on average, 300 Hz.

i. What is the maximum unambiguous range of the radar? Show all of your work

ii. What is the range resolution of the radar? Show all of your work

iii. What is the maximum unambiguous target velocity? Show all of your work

iv. Estimate the single-pulse signal-to-noise ratio achieved from a small target of radar cross-section       1 m2 at a range of 150 km? Show all of your working takingcare with the layout of your computation. 

v. Given the magnitude of the clutter back scatter is -20 dB, what is the signal-toclutterratio for the target at 150 km? Comment on your results in terms of how detection performance is limited (noise or clutter).

Reference no: EM13946623

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