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- 2018
基于小波分析的改进旁瓣相消宽带信号波束形成算法
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Abstract:
研究了改进的旁瓣相消算法，该算法利用小波滤波器组阻塞接收信号的期望信号分量进行自适应的波束形成。经过改进算法处理后，阵列信号的协方差矩阵中不包含期望信号分量，从而克服了当存在系统误差时自适应波束形成中期望信号相消的问题，并解决了在实际应用中旁瓣相消波束形成算法GSC波束形成算法需要构造与期望信号的导向矢量完全正交的阻塞矩阵的难点问题，从而达到提高系统稳健性能的目的，仿真结果验证了该算法的性能优于传统的MVDR方法和基于MVDR的对角加载方法。
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