2-D Electromagnetic Scattering and Inverse Scattering from Magnetodielectric Objects Based on Integral Equation Method

被引：6
|
作者：
Lan, Tian [1 ]
Liu, Na [1 ]
Liu, Yanhui [1 ,2 ]
Han, Feng [1 ]
Liu, Qing Huo [3 ]
机构：
[1] Xiamen Univ, Inst Electromagnet & Acoust, Dept Elect Sci, Xiamen 361005, Peoples R China
[2] Univ Technol Sydney, Global Big Data Technol Ctr, Ultimo, NSW 2007, Australia
[3] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2019年 / 67卷 / 02期
基金：
中国国家自然科学基金;
关键词：
2-D combined field volume integral equation (CFVIE); inverse scattering; magnetodielectric materials; variational Born iteration method (VBIM); RADAR; BORN; FORM;
D O I：
10.1109/TAP.2018.2883586
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：
Efficient 2-D full-waveform forward and inverse electromagnetic scattering solvers are presented in this communication. The combined field volume integral equation (CFVIE) is formulated in a layered medium. Different from the previous work, the mixed-order basis function is adopted in the discretization of the 2-D CFVIE. Meanwhile, the permittivity and permeability are simultaneously reconstructed in the inversion through the variational Born iteration method, which is enhanced with a self-adaptive regularization factor and applied to the multifrequency data. The proposed forward solver is validated by comparisons with the finite-element simulations.
引用
收藏
页码：1346 / 1351
页数：6
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