Application of Compressive Sensing to Asymptotic Waveform Evaluation for Fast Frequency-Sweep Analysis of Electromagnetic Scattering Problems

被引：0
|
作者：
Kong, Meng [1 ,2 ]
Chen, Ming-Sheng [1 ,2 ]
Cao, Xin-Yuan [1 ,2 ]
Wu, Xian-Liang [1 ,2 ]
机构：
[1] Hefei Normal Univ, Anhui Prov Key Lab Simulat & Design Elect Informa, Hefei, Anhui, Peoples R China
[2] Hefei Normal Univ, Sch Elect Informat & Elect Engn, Hefei, Anhui, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2019年 / 2019卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1155/2019/2680180
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
To reduce the computing resource of full-scale impedance matrix and its high-order derivatives in traditional Asymptotic Waveform Evaluation (AWE), compressive sensing (CS) is applied to AWE for fast and accurate frequency-sweep analysis of electromagnetic scattering problems. In CS framework, some prior knowledge is extracted by constructing and solving undetermined equation of 0-order surface induced current, so that coefficients about high-order induced current can be accurately obtained by the prior knowledge, and finally the wide-band radar cross section (RCS) is calculated. Numerical results of two-dimensional objects and bodies of revolution (BOR) were presented to the show the efficiency of the proposed method.
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页数：6
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