scale_free

采用k空间方法仿真超声声场及光声、剪切波传播等的专用matlab工具箱程序包，能模拟非均匀介质情况下的波动传播情况，功能强大，(k-wave toolbox for ultrasound simulation)

V-BLAST在平坦衰落信道中的分层检测，所采用的是MMSE算法，对BER进行仿真。(V-BLAST in flat fading channel layer test, the MMSE algorithm is used, the BER simulation.)

编写一个可以从一幅图像中提取一幅矩形子图像的函数。(Write an image can be extracted from an image of a rectangular sub-functions.)

peform sum of two matrices

介绍了PSCAD基本的模块和各个部分的功能，并提供了一些具体的例子可以进行操作练习。(PSCAD introduced the basic modules and functions of various parts, and provides some specific examples of practice can operate.)

对.prn文件的数据进行fft变换并显示出图形(Fft transform and shows graphical. Prn file data)

在数学建模中国离散规划时用这个程序很好用(China in the mathematical modeling of discrete planning to use this program very easy to use)

通过Gabor原子库对语音信号进行处理，用到匹配追踪算法，程序很好用，对各种语音信号的仿真实验都很成功(Gabor atoms is through the voice signal processing, matching pursuit algorithm is used, the program useful, on the simulation of various audio signals are successfully)

LiScNLS is a Matlab application for the numerical study of some nonlinear differential equations of the form Lu=Nu, using the Lyapunov-Schmidt method. Downloading the LiScNLS package creates a new LiScNLS folder on the computer.(LiScNLS is a Matlab application for the numerical study of some nonlinear differential equations of the form Lu = Nu, using the Lyapunov-Schmidt method.Downloading the LiScNLS package creates a new LiScNLS folder on the computer.)

一种不同信噪比噪声的添加方法，包括复噪声和实噪声，()