一种基于正交投影的波束形成算法。首先由 MVDR算法确定初始权向量 其次根据该权向量与

其它用户波达角方向的关系 ,建立干扰信号的导向矢量矩阵 然后通过正交投影原理 ,将期望信号的导向矢量投影

到干扰信号的零空间上 ,从而求得最优权值。仿真结果证明了该算法的有效性。-An orthogonal projection beamforming algorithms. First, by the MVDR algorithm to determine the initial weight vector　Second, according to the weight vector and the angle of arrival direction of other users, and setting up the steering vector matrix interference signal　then the orthogonal projection principle, the expected signal to interference signal steering vector projection zero space, and thus obtain the optimal weights. Simulation results show the effectiveness of the algorithm.