基于3个正交均匀直线阵的二维Capon来估计信号的二维DOA,利用其中一个线阵来组合其他2个线阵分别估计的一维DOA-Based on 3 orthogonal uniform linear array of two-dimensional Capon to estimate the signal of the two-dimensional DOA, using one of the linear array to the combination of the other 2 linear a