使用大量的有限元法求解偏微分方程，包含光伏电池模块、MPPT模块、BOOST模块、逆变模块，一个计算声子晶体结构的一维传递矩阵法。- Using a large number of finite element method to solve partial differential equations, PV modules contain, MPPT module, BOOST module, inverter module, A one-dimensional transfer matrix method to calculate the phonon crystal structure.