中文说明： 插值与拟合的matlab实现，有PMUSIC 校正前和校正后的比较，信号处理中的旋转不变子空间法，虚拟力的无线传感网络覆盖，计算十字叉丝的在不同距离的衍射图像,有小波分析的盲信号处理。
English Description：
MATLAB implementation of interpolation and fitting, PMUSIC calibration before and after correction, rotation-invariant subspace methods in signal processing, virtual force wireless sensor network coverage, calculate the cross hairs at different distances of the diffraction image, blind signal processing with Wavelet analysis.