被动测向声纳中的波达方向估计研究具有重要的现实意义。
The research of DOA estimation in passive direction-finding sonar has important practice significance.
本论文就宽带阵列信号的波达方向估计（DOA）方法进行了研究。
This dissertation concentrates on the study of Direction-of-Arrival (DOA) for wideband signals.
通过构建空间时频分布矩阵，和传统的阵列信号处理方法相结合，从而得到一种新的时频域的波达方向估计方法。
It presents a new method of DOA estimation in time-frequency domain, via establishing the STFD matrix and combining the traditional methods of array.
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