signal-modulation-and-demodulation

雷达程序，用于简单的预警，还有利用c和matlab混合编程实现mex文件(Radar procedures, for the simple warning, and using C and matlab mixed programming of mex file)

基于拉格朗日插值法的可变分数延时滤波器比较图，通过比较不同的分数时延时的滤波器特性来观察分数延时滤波器的性质与限制(Lagrange interpolation method based on variable fractional delay filter comparison chart, filter characteristics by comparing the scores of different delay time to observe nature and limitations of fractional delay filter)

创新性的使用烟雾粒子浓度，来探测火灾，基于图像处理(Innovative use of smoke particle concentration, to detect fires, based on image processing)

Natural frequency of shell bubble compare to free bubbles

稀疏快速傅里叶变换，是一种利用信号频域稀疏特性，只需通过信号部分采样点就可高概率恢复信号频谱的快速傅里叶变换算法。(Sparse Fast Fourier Transformation ，SFFT)

说明：  windows下用来画曲线的小程序，看看好不好用(windows under the curve for painting small procedures to see is really handy)

Draws Phase Portraits

一些ICA的外国文献，都是开辟ICA领域的奠基之作。(Some of the ICA foreign literature, all is the foundation of the field open ICA works. )

project for student information system

此代码说明马赛克产生的基本方法 很不错，值得看看(This code shows the basic method of generating mosaic is very good, worth a look)