进行逐步线性回归，基于SVPWM的三电平逆变的matlab仿真，实现典型相关分析，主要为数据分析和统计，一种噪声辅助数据分析方法。- Stepwise linear regression, Based on SVPWM three-level inverter matlab simulation, Achieve canonical correlation analysis, Mainly for data analysis and statistics, A noise auxiliary d