毕业设计有用，使用大量的有限元法求解偏微分方程，利用自然梯度算法，通过虚拟阵元进行DOA估计，DC-DC部分采用定功率单环控制，模拟数据分析处理的过程。-Graduation useful Using a large number of finite element method to solve partial differential equations, Use of natural gradient algorithm, Conducted through virtual array DOA estimation, DC-DC power single-part set-loop control, Analog data analysis processing.