A radar with antenna gain (G) is subject to a repeater jammer whose antenna gain is (G_{f}).

Question:

A radar with antenna gain $G$ is subject to a repeater jammer whose antenna gain is $G_{f}$. The repeater illuminates the radar with three-fourths of the incident power on the jammer. (a) Find an expression for the ratio between the power received by the jammer and the power received by the radar. (b) What is this ratio when $G=G_{J}=200$ and $R / \lambda=10^{5}$ ?

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