虚拟力的无线传感网络覆盖，基于互功率谱的时延估计，基于SVPWM的三电平逆变的matlab仿真，isodata 迭代自组织的数据分析，在MATLAB中求图像纹理特征，包括广义互相关函数GCC时延估计。- Virtual power wireless sensor network coverage, Based on the time delay estimation of power spectrum, Based on SVPWM three-level inverter matlab simulation, Isodata iterative self-organizing data analysis, In the MATLAB image texture feature, Including the generalized cross-correlation function GCC time delay estimation.