SEA AND LAND SURFACE INFLUENCE ON THE STATISTICAL CHARACTERISTICS OF THE LOW-ALTITUDE RADAR TARGETS

摘要

Transformations of the statistical characteristics of the scattered signals from the low-altitude targets are analyzed, caused by the multipath propagation over sea surface and multiple reflections at path " target-surface-target". It is shown that the target movement over the diffuse scattering surface leads to change of radar cross-section probability density function in comparison with Swerling's models. The differences of the experimental distributions from models increase with radar wavelength shortening.