Multiple Scattering of Snowflake Particles Based on Finite-Difference Time Domain Method
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Abstract:
In order to accurately retrieve the microphysical parameters of snowflake particles using radar, the exponential distribution of nonspherical snow particle swarm is established and the backscattering crosssections of nonspherical snow particle swarm at six different incident directions are calculated at 94 GHz using the XFDTD software and then compared with the results of simple addition. For the same incident directions, all the backscattering crosssection results of the particle swarm are larger than the result of simple addition. For the different incident directions, the backscattering crosssection results of the particle swarm are different. These results show that the direction of multiple scattering and incident electromagnetic wave must be considered in the actual radar detection.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.