中文说明：毕业设计有用，是小学期课程设计的题目，复化三点Gauss-lengend公式求pi，通过虚拟阵元进行DOA估计，滤波求和方式实现宽带波束形成，采用累计贡献率的方法。
English Description：
Graduation design useful is the title of primary phase of the course design, complex of three Gauss-lengend formula for PI, through virtual array for DOA estimation, filtering and summation way achieve broadband beam formation, using method of accumulative contribution rate.