pso

this is o program to graph defirent kind of signals and change them, like module, time scale

heapmgrbase program for dynamic memory

收集了一些处理声音信号的实例，可供对音频处理的爱好者参考使用。(collected some examples of control noice signal. fans can used by reference. )

Read text to be encrypted encrypt it and write to file encrypted.txt.Decryption done by readng encrypted.txt and plaintext written to decrypted.txt

不同周期结构对带隙的影响，不同的周期结构传输矩阵也不同(Effect of different structure on the band gap)

This function used for calculate ellipse point to draw.

The noises are one of the research topic in image processing. In digital images removal of gaussian noises using bilateral filter is performd in this file

利用时频分析的方法分析一段语音信号的时频特征，并进行降采样等处理，可直接运行(When the time-frequency analysis method to analyze the frequency of use of a voice signal characteristics, and down-sampling and other treatment, can be directly run)

gray level run length martix

CA_CFAR GO_CFAR SO_CFAR SWITCHING_CFAR(CA_CFAR GO_CFAR SO_CFAR)