Abstract

Spatial time-frequency distributions (STFDs) matrices has been introduced to deal with non-stationary source signals. This paper discusses how to achieve high-precision direction-of-arrival (DOA) estimation with STFD matrices. Also we try our best to reduce the amount of calculation. In order to reduce the calculation cost in practice, a new method based on single time-frequency point to estimate DOA of source signals is proposed in this paper. This method accelerates the calculation speed and lowers the computation time in a large part. These conclusions are verified by simulation experiments based on MATLAB.

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