Using CGM and FDFD Techniques to Investigate the Radar Detection of Two-Dimensional Airplanes in Random Media for Beam Wave Incidence

A previous study proved that the radar cross sections (RCS) of targets differ greatly with the illumination region curvature, assuming a plane wave incidence. In this work, we present numerical results to investigate the effect of target configuration on the backscattering enhancement in the laser radar cross section (LRCS), aiming to enhance the efficiency of the radar detection of objects in a random medium. Two different techniques - the Current Generator Method (CGM) and the Finite-Difference Frequency-Domain (FDFD) Method - are used to illustrate and verify the calculated results. The target configuration includes the illumination region and the target's complexity with E-wave incidence. We consider concave and convex illumination regions of partially convex targets with a large size.