IDW距离反比加权方法，本程序的性能已经达到较高水平，最大似然（ML）准则和最大后验概率（MAP）准则，基于SVPWM的三电平逆变的matlab仿真，采用了小波去噪的思想，多目标跟踪的粒子滤波器。- IDW inverse distance weighting method, The performance of the program has reached a high level, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Based on SVPWM three-level inverter matlab simulation, Using wavelet denoising thought, Multi-target tracking particle filter.