envelop

基于matlab的三维时域有限差分程序（cpml吸收边界），使学习时域有限差分方法的好资料。(Matlab-based three-dimensional finite difference time domain procedures (cpml absorbing boundary), so that learning FDTD good information.)

Matrix inverse by Gauss-Jordan elimination

说明：  惯性导航的一些资料，互相学习，互相借鉴一下。(Inertial navigation of some of the material, learn from each other and to be drawn lessons from each other. )

详细讲解了小波变换原理，运用。matlab的小波工具箱等。对初学者有较大的帮助。(Elaborate on the principles of wavelet transform, apply. matlab wavelet toolbox and so on. For beginners, a greater help.)

alamouti空时编码程序，alamouti空时编码程序(alamouti space-time coding procedures, alamouti space-time coding procedures)

Aunthetication token.

this function used to calculate COFACTOR

used for image processing in matlab

good resource code for people to get better performance.such as ssim,rmse etc.

说明：  数据处理，FFT滤波求频率，曲线平滑；将时域信号去噪，再平滑，最后频域分析(Data processing, FFT filtering for frequency, curve smoothing)