Based on research of so called space time DOA matrix method, we propose several of its improved and generalized forms in this paper.
本文在对时空DOA矩阵方法进行详细分析的基础上，提出了该方法的几种改进与推广形式。
However, DOA Matrix method avoids seeking the peak of the spectrum. Consequently, even the estimating efficiency of 2-d DOA Matrix method is much better than 1-d MUSIC algorithm.
DOA矩阵法则避免了MUSIC法的谱峰角度搜索，因此即使是二维的DOA矩阵法，其估算速度也比一维MUSIC算法快。
The matrix decomposition method for DOA estimation is analyzed. It is proved that the method is a subspace method.
本文对用于DOA估计的矩阵分解法进行了分析，证明了它是一种子空间方法。
It presents a new method of DOA estimation in time-frequency domain, via establishing the STFD matrix and combining the traditional methods of array.
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.
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。
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