说明：  此为LCMV算法的实现，阵元数为8，有用信号在0度方向，干扰源在30度方向所得到的的仿真程序
(This is the realization of LCMV algorithm. The number of elements is 8, the useful signal is in the direction of 0 degrees, and the interference source is in the direction of 30 degrees.)