分层双轴各向异性介质电磁传播矩阵计算

doi:10.12305/j.issn.1001-506X.2021.12.02

Abstract

Abstract:

Based on the generalized transmitting matrix (GTM) method to analyze the propagation characteristics of anisotropic media, the layered biaxial anisotropic media are analyzed. The state vector and coupling matrix of the transverse field in biaxial anisotropic media are constructed to obtain the eigenwave in biaxial anisotropic media. The GTM is introduced to obtain the reflection coefficient and transmission coefficient of layered biaxial anisotropic media. The angular and frequency characteristics of different dielectric coated structures are analyzed, and the numerical results are highly consistent with those of commercial software. Further, the electromagnetic propagation matrix is combined with the shooting and bouncing ray (SBR) method to obtain the electromagnetic scattering characteristics of the dielectric coated target. The root mean square error between the radar cross section results and the commercial software results is less than 3 dBsm, which reflects the accuracy of this method.

Key words: anisotropic media, general transmitting matrix (GTM), reflection coefficients, cross polarization, shooting and bouncing ray (SBR) method

CLC Number:

O0441.4

Yi ZHU, Jianzhou LI, Zeyun QIN, Xiangwei LIU, Shengjun ZHANG. Computation of electromagnetic propagation matrix for layered biaxial anisotropic media[J]. Systems Engineering and Electronics, 2021, 43(12): 3420-3428.

Figures/Tables 13

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References 30

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参数	无涂覆导弹	涂覆导弹
RCS结果均方根误差	2.81	2.96

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Computation of electromagnetic propagation matrix for layered biaxial anisotropic media

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