说明：  本程序为一宽带波束形成程序，基于二阶锥规划求解。可以直接运行，但使用者必须提前下载并安装CVX凸优化工具包。
(This program is a broadband beamforming program based on second-order cone programming. It can run directly, but users must download and install the CVX convex optimization toolkit in advance.)