Analysis and simulation of rainfall clutter of primary surveillance radar for civil aviation Air Traffic Control

To evaluate the influence of rain clutter on the detection performance of Air Traffic Control (Hereinafter referred to as ATC) primary surveillance radar (Hereinafter referred to as PSR), paper takes the scattering area of rainfall clutter as the object of study. By using the equivalent sphere as the equivalent model, the RCS mathematical statistical model of rainfall clutter at different levels is quantitatively analyzed in combination with the rainfall clutter sign. At the same time, from the angle of the rainfall clutter itself and the wet radome with different thickness of water film, the influence of the detection distance of ATC PSR under rainfall condition is analyzed and studied.