在均匀线阵的情况下，MUSIC多重信号分类算法、Capon最小方差估计算法，常规波束形成算法对入射信号的波达方向估计，和三者的比较-In the case of uniform linear array, MUSIC multiple signal classification algorithm, Capon minimum variance estimation, conventional beamforming algorithms for DOA estimation of the incoming signal, and compare three