D-S证据理论数据融合，采用了小波去噪的思想，基于SVPWM的三电平逆变的matlab仿真，插值与拟合，解方程，数据分析，课程设计时编写的matlab程序代码，BP神经网络用于函数拟合与模式识别，包括面积、周长、矩形度、伸长度。- D-S evidence theory data fusion, Using wavelet denoising thought, Based on SVPWM three-level inverter matlab simulation, Interpolation and fitting, solution of equations, data analysis, Course designed to prepare the matlab program code, BP neural network function fitting and pattern recognition, Including the area, perimeter, rectangular, elongation.