哈尔滨工程大学学报2018,Vol.39Issue(3):594-600,7.DOI:10.11990/jheu.201610102
一种导向矢量双层估计的稳健波束形成算法
A robust adaptive beamforming algorithm for double-layer estimation of steering vectors
摘要
Abstract
Since the performance of an adaptive beamformer degrades in the case of a mismatch between an array steering vector and array manifold errors,we proposed a robust beamforming algorithm.A linear space is construc-ted using the steering vector in the spatial sector where the desired signal can be located, and the desired signal steering vector is initially estimated as a linear combination of the basis vectors in the linear space.Then,the esti-mated signal steering vector is corrected using the uncertainty-set optimization method.The proposed algorithm has a small amount of calculation,and any iterative solution is unnecessary.The simulation results show that the pro-posed algorithm significantly enhances the robustness of the beamformer in the case of a mismatch between an array steering vector and array manifold errors,and the output performance is superior to that of the current method.关键词
自适应阵列/稳健波束形成/低复杂度/导向矢量估计/阵列流形误差/线性空间基向量Key words
adaptive arrays/robust beamforming/low complexity/estimation of steering vector/array manifold er-rors/linear space base vector分类
信息技术与安全科学引用本文复制引用
李文兴,毛晓军,翟助群..一种导向矢量双层估计的稳健波束形成算法[J].哈尔滨工程大学学报,2018,39(3):594-600,7.基金项目
国家安全重大基础研究项目(6131380301). (6131380301)