中文说明：ICA（主分量分析）算法和程序，粒子图像分割及匹配均为自行编制的子例程，脉冲响应的相关分析算法并检验，基于SVPWM的三电平逆变的matlab仿真，与理论分析结果相比，验证可用。
English Description：
ICA (principal component analysis) algorithm and program and particle image segmentation and matching are compiled by the subroutine, the impulse response of the correlation analysis algorithm and test, based on three-level inverter SVPWM matlab simulation, analysis and theoretical results are compared to verify availability.