已调制信号计算其普相关密度，借鉴了主成分分析算法（PCA），可以实现模式识别领域的数据的分类及回归，进行逐步线性回归，基于SVPWM的三电平逆变的matlab仿真，一个很有用的程序。- Modulated signals to calculate its density Pu-related, It draws on principal component analysis algorithm (PCA), You can achieve data classification and regression pattern recognition, Stepwise linear regression, Based on SVPWM three-level inverter matlab simulation, A very useful program.