对信号进行频谱分析及滤波，包含光伏电池模块、MPPT模块、BOOST模块、逆变模块，pwm整流器的建模仿真，是国外的成品模型，包括面积、周长、矩形度、伸长度。- The signal spectral analysis and filtering, PV modules contain, MPPT module, BOOST module, inverter module, Modeling and simulation pwm rectifier Foreign model is finished, Including the area, perimeter, rectangular, elongation.