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Abstract

According to the scattering characteristics of target and rough surface in a high frequency region in the presenca a narrow beam illumination, we employ composite multiple scattering beam-tracking algorithm based on the ray tracing method and iterative method of electromagnetic to obtain a quick solution to calculate the near field composite scattering characteristics of target at low altitude and rough surface. Then we calculate the Doppler echoes of the PEC plate and sphere and compare the data with the ones from MLFMM, and find that they are in good agreement with each other. Finally we carry out testing validation of our tank, and calculation resuets are consistent with the test results.

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Vol. 61, Issue 24 - 2012-12-20

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