Abstract

Multiple scattering returns from spherical water particles of uniform diameter are studied for pulsed radar operation. The Gaussian transverse beam‐profile and the rectangular pulse‐duration are taken into account. A second‐order analytical solution is derived for a single layer structure, based on the time‐dependent radiative transfer theory. The method itself can be extended to higher‐order scatterings in a multiple layered structure with general drop size distributions. The calculation results show that the effect of second‐order scattering becomes larger, as the footprint radius, range, and range resolution, which are normalized by the mean free path, increase.

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