A radar operating at a wavelength of 0.03 m has a maximum range of 50 km. Its antenna gain is 2000 and transmitter power is 250kW. Its minimum detectable signal is 10pW, and then finds the RCS for the target. -

Mumbai University > Electronics and telecommunication > Sem 7 > Microwave and Radar Engineering

Marks: 5 Marks

Year: May 2016

$$R_{\max}=\bigg[\dfrac{P_t G^2 λ^2 σ}{(4π)^3 S_{\min}} \bigg]^\dfrac14$$

$R_{\max}=50km ,G=2000, Smin= 10pW, λ=0.03 m, Pt=250kW, σ= RCS$

$RCS=σ=137.8 m^2$.