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The DOA Estimation Algorithm Based on a New Decoherence Method

Because of the deficiencies of the spatial smoothing algorithm, we put forward a new decoherence method which overcomes the shortcomings. The coherent signal is estimated by DOA and compared with the spatial smoothing algorithm it has more advantage. The method does not lose array effective aperture while the spatial smoothing algorithm method will lose array effective aperture. It also avoids the high consistency requirement of the subarray. The simulation results by MATLAB show that the algorithm can effectively analysis the coherent signal.