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中文摘要：
基于导向矢量矩阵的初等变换，给出了一种新的聚焦类宽带源波达方向（DOA）估计算法。新算法构造聚焦矩阵时不需要矩阵分解运算，从而使聚焦过程运算量更小。在理想条件下，新方法构造的聚焦矩阵可以在各个频率点实现完美聚焦。分析表明，新算法运算量要小于其它聚焦类宽带DOA估计算法。计算机仿真验证了该算法的有效性。
英文摘要：
Based on the elementary transformation of the location matrices, a new focusing algorithm for wideband DOA estimation is proposed. The new algorithm constructs the focusing matrices without any matrix decomposition operation and has a smaller computational cost than the other focusing methods. In an ideal case, perfect focusing can be achieved at all frequency bins. The simulation results demonstrate the effectiveness of the new algorithm.
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