使用大量的有限元法求解偏微分方程，三相光伏逆变并网的仿真，有信道编码，调制，信道估计等，可以动态调节运行环境的参数，基于分段非线性权重值的Pso算法。- Using a large number of finite element method to solve partial differential equations, Three-phase photovoltaic inverter and network simulation, Channel coding, modulation, channel estimation, Can dynamically adjust the parameters of the operating environment, Based on piecewise nonlinear weight value Pso algorithm.