Single interference direction finding algorithm research based on beidou four-element rectangular array and linear array

Guoxuqiang, Gongwenfei
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Abstract

In this paper, the Capon beamformer and the MUSIC algorithm are used to estimate the direction of the single narrowband interference in the Beidou B3 band. Results show that the angle dimension can be estimated depends on the antenna formation. Array error was also corrected by the way of calibration method under unideal condition. The mutual coupling matrix and the amplitude-phase difference matrix were extracted by HFSS, and their inverse matrix were substituted into the algorithm to correct the results. Computer simulation experiments prove this method is effective.
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基于北斗四元矩形阵和线性阵的单干涉测向算法研究
本文采用Capon波束形成器和MUSIC算法对北斗B3波段的单窄带干扰进行方向估计。结果表明,角度尺寸可以根据天线的形成来估计。在不理想条件下,采用标定法对阵列误差进行了校正。利用HFSS提取互耦矩阵和幅相差矩阵,并将其逆矩阵代入算法对结果进行校正。计算机仿真实验证明了该方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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