组合角反射体极化模型构建与分析

doi:10.12305/j.issn.1001-506X.2026.02.01

Abstract

Abstract:

Corner reflector is an important passive jamming equipment in the sea battlefield, and an accurate understanding of its scattering characteristics is the foundation of jamming confrontation. To address the insufficient understanding of the radar cross section (RCS) and polarimetric scattering characteristics of combined corner reflector, a RCS model for combined corner reflector based on the physical optics method is proposed. On this basis, the polarization characteristics of the icosahedron is analyzed and the analytical expression of the azimuth and pitch angle where the scattering deviate from the odd scattering is deduced. Moreover, a calculation method of the consistent-polarization solid angle domain is proposed, and the differences between the icosahedral corner reflector and ship target is analyzed. Through the comparison with the results of electromagnetic simulation software, the mean RCS errors of octahedron and icosahedron obtained by the proposed RCS model are 3.2 dBsm and 7.1 dBsm, respectively. The angle corresponding to the double scattering obtained by the proposed polarization scattering characteristic model is basically consistent with the simulation results. The proposed method can be used to quickly analyze the scattering characteristics of the combined corner reflectors and provide the basis for the application of corner reflector discrimination.

Key words: corner reflector, octahedral, icosahedral, polarization, scattering model

CLC Number:

TN 974

Guoqing WU, Luoshengbin WANG, Ping WANG, Zhiyong SONG, Yongzhen LI. Polarization model construction and analysis for combined corner reflector[J]. Systems Engineering and Electronics, 2026, 48(2): 381-391.

Figures/Tables 20

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Polarization model construction and analysis for combined corner reflector

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