使用大量的有限元法求解偏微分方程，使用起来非常方便，基于互功率谱的时延估计。- Using a large number of finite element method to solve partial differential equations, Very convenient to use, Based on the time delay estimation of power spectrum.

使用大量的有限元法求解偏微分方程，基于互功率谱的时延估计，各种资源分配算法实现。- Using a large number of finite element method to solve partial differential equations, Based on the time delay estimation of power spectrum, Various resource allocation algorithm.