speech

说明：  《可编程控制器实验教程》配书程序4XXXXXXXXXXXXXXXXXXXXXXXXXX(&quot Programmable Controller experimental course&quot assigned program 4XXXXXXXXXXXXXXXXXXXXXXXXXX)

采用symmetrized split-step method数值求解非线性薛定谔方程(Numerical solution of nonlinear Schrodinger equation by symmetrized split-step method)

说明：  一些基于CDMA的编码程序，希望对初学者有一定的帮助。(some CDMA-based coding process, and I hope to beginners helpful to a certain extent.)

该函数用来计算二进制图像的盒维数，解决混沌问题 (The function used to calculate the binary image of the box dimension, to solve the problem of chaos)

二维布朗运动的仿真，观察其分布特点，看某点做布朗运动后的运动点的分布（空间是矩形）(brown sim)

此程序用于语音信号的识别和在MATLAB 系统下的仿真，用于各种语音的识别！(The procedure for the voice of the identification of the procedure for the voice of the identification of matlab and the system of emulation, the voice of the!)

基于CIODs的空时分组码编译码过程，及误比特率曲线的仿真(Based CIODs of space time block code encoding and decoding process, and simulation of bit error rate curve)

基于Harris原理的亚像素角点坐标检测Matlab程序；直接运行click_calib .m文件即可获得亚像素级角点坐标，附录Ⅱ中的其它函数文件均会被click_calib .m文件调用。(Based on the principle of subpixel Harris corner coordinates detection Matlab procedures run directly click_calib. M file to obtain sub-pixel corner coordinates, Appendix Ⅱ other functions in the file will be click_calib. M file called.)

考虑章动、极移、岁差下历元时刻月球在瞬时平天球坐标系，J2000协议地固系，WGS-84坐标系下的位置速度矢量及转换的matlab源程序(Consider nutation, polar motion, precession next epoch in the instantaneous level of the moon celestial coordinate system, J2000 protocol to the solid line, the position and the velocity vector conversion WGS-84 coordinate system matlab source)

说明：  灰色模型预测是在数据不呈现一定规律下可以采取的一种建模和预测方法，其预测数据与原始数据存在一定的规律相似性(Grey model prediction is a kind of modeling and prediction method that can be adopted when the data does not show certain rules. There is certain regularity similarity between the prediction data and the original data)