Open AccessBeam-tracking algorithm for composite scattering between low altitude targets and rough surface
Author(s) -
Xiaobing Wang,
Zhensen Wu,
Liang Zhang,
Yuan Zhang
Publication year - 2012
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.61.244105
Subject(s) - scattering , tracking (education) , ray tracing (physics) , beam (structure) , surface (topology) , doppler effect , optics , composite number , altitude (triangle) , rough surface , physics , computational physics , algorithm , acoustics , materials science , computer science , mathematics , geometry , psychology , pedagogy , composite material , astronomy
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.