matlab平台上的多重信号处理算法的DOA测角，信噪比，快拍数，信号源数对功率谱的影响-matlab platform, multi-signal processing algorithms DOA angle, signal to noise ratio, the snapshot number, the source of the power spectrum of several

信噪比快拍数等对music算法精度的影响。(The influence of SNR and snapshot number on the accuracy of music algorithm.)