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Application of improved equivalent edge currents in synthetic aperture radar imaging
Authors:Yanwei Zhao  Ping Zhou  Xiangyang Zhang  Min Zhang
Affiliation:1. School of Science, Xidian University, Xi'an 710071, P. R. China
2. National Electromagnetic Scattering Laboratory, Beijing 100854, P. R. China
Abstract:Target modeling and scattering function calculating are important prerequisites and groundwork for the synthetic aperture radar (SAR) imaging simulation. According to the difficult problems that normal methods cannot calculate the scattering function of electrically large object under the condition to wideband, an effective method of improved equivalent edge currents is presented and applied to SAR imaging simulation for the first time. This method improves calculating velocity and has relatively high precision. The concrete steps of applying the method are given. By way of the simulation experiment, the effectiveness of the method is verified.
Keywords:modeling and simulation  improved equivalent edge currents  synthetic aperture radar image  scattering function
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