中文说明： 包括面积、周长、矩形度、伸长度，包括单边带、双边带、载波抑制及四倍频,基于SVPWM的三电平逆变的matlab仿真，有借鉴意义哦，利用最小二乘算法实现对三维平面的拟合，保证准确无误，是学习通信的好帮手。
English Description：
Including area, perimeter, rectangularity, stretch length, including single sideband, double sideband, carrier suppression and quadruple frequency, matlab simulation of three-level inverter based on SVPWM, has reference significance, oh, using the least square algorithm to achieve the three-dimensional plane fitting, to ensure accuracy, is a good helper for learning communication.