Radar Range Equation

f|f [Hz]|Frequency|1E9
Pt|Pt [W]|Input power at the terminals of the transmitting antenna|10E3
Gt|Gt [W/W]|Gain of the transmitting antenna|62E3
R1|R1 [m]|Distance to target|20E3
sigma|sigma [m^2]|Radar cross section or echo area|0.4
R2|R2 [m]|Distance from target|20E3
Gr|Gr [W/W]|Gain of the receiving antenna|62E3
c|c [m/s]|Speed of light|3E8

lambda|lambda [m]|Wavelength|c/f
Pr|Pr [W]|Power delivered to the receiver load|Pt*sigma*(Gt*Gr/(4*Pi))*(lambda/(4*Pi*R1*R2))^2

9781118642061 (2-126) 2020-10-14