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Radar systems

Consider a radar with the following specifications: f = 1250MHz, maximum radar range of 220 nautical miles, for target with radar cross section σ = 1m ^ 2 with radar antenna dimensions 12 × 4m Antenna aperture efficiency ε_a = 0.55, minimum detectable signal of a pulse S_npn = 10 ^ (- 13) W and pulse width τ = 1.5μs. Calculate the following values:

A) Effective A_em aperture level and G gain in terms of dB radar antenna.

B) Transmitter courier power.

C) Pulse repetition frequency, so that the maximum radar range is equal to the radar unambiguous range.

D) Medium radar power.

E) Duty Cycle of a Radar.

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