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本文给出了数字波束技术中和差波束自适应形成零点的算法,提出了同时得到和差波束自适应零点的一种设想。讨论了各路幅相误差对方向图副瓣及自适应零点的影响,提出了消除幅相误差影响的办法。指出了加权和LMS算法的不可互换性。
In this paper, we propose an adaptive zero-beam algorithm for beamforming in differential beamforming and provide a tentative idea of simultaneous zero-sum beamforming. The influence of the amplitude and phase error of each path on the sidelobe and adaptive zero of the pattern is discussed, and the way to eliminate the effect of amplitude and phase error is proposed. Pointed out that the weighted and LMS algorithm is not interchangeable.