3_PRR_

说明：  清华数字信号处理教材相关代码,供研究使用。(some code for digital signal processing.)

这里讲述的是matlab的最短路问题，含有多个程序可提供参考参考 (About matlab shortest path problem, containing more than one program REFERENCES)

matlab实现橡皮线的简单程序 用于学习matlab交互(matlab program to achieve a simple rubber band used for interactive learning matlab)

对各个特征量的大小进行排序，并显示相应的序号(The size of each characteristic quantity to sort and display the corresponding number)

实现半脆弱小波提取，实现文献A FEATURE-BASED SEMI-FRAGILE WATERMARKING SCHEME IN DWT DOMAIN.pdf的源码(Achieve semi-fragile wavelet extraction, to achieve literature A FEATURE-BASED SEMI-FRAGILE WATERMARKING SCHEME IN DWT DOMAIN.pdf source)

reduce file size of images with bit techniques

matlab在数学建模中的某些方法，和一些实例。(matlab in some of the methods in mathematical modeling, and some examples.)

Butter 函数的应用于低通滤波器，对应的仿真图形与代码(Butter function applied to low-pass filter corresponding to the simulation graphics and code)

蚁群路径算法的matlab源代码，可以实现的(Ant path algorithm matlab source code, can be achieved)

Matlab实现的全相位频谱分析，可以自行设定点数和输入序列。结果包括频谱图和与普通fft的对比(Matlab to achieve all-phase spectral analysis, can draw up a point and input sequence. The results include the spectral figure and the comparison with ordinary fft)