杂波RCS计算，可以得到结果，新同学可以很容易的学会，效果比较好-clutter RCS caculate .it can get the result that the new student can learn easily

矩形阵仿真，可以得到结果，思路清晰，方便学习，对初学者有很大的帮助-rectangle arry simulation can get the result.it can help the new student to learn it easily