speech_mfcc

基于Matlab编程的QPSK的仿真，用处不错，简单明了(QPSK Matlab-based simulation programming, use good, simple)

说明：  直接序列扩频通信系统建模与仿真 PN码序列产生代码（matlab)(PN code sequence generated code (matlab))

光伏电池仿真模型,能模拟任意光照强度和环境温度下的光伏电池特性。(Photovoltaic cell simulation model capable of simulating photovoltaic cell characteristics at any light intensity and ambient temperature)

Amplitude Pseudo Random Binary Signal

数字信号处理，对图像进行DCT，可选择压缩率，matlab实现DCT(DCT by matlab)

哈尔滨工程大学研究生随机过程实验作业，里面有作业matlab源程序(Harbin Engineering University Graduate random process lab assignments, which has an operating matlab source)

研究人类视觉处理机制的有用代码，包括测试程序，特征提取，结果显示等有用 matlab代码，值得共同研究(Pca algorithm useful for human visual processing code)

MATLAB不错的书籍，也是初学者入门必备书籍(MATLAB good books, beginner essential books)

无约束条件的粒子群优化算法代码，简单实用！(No constraints PSO algorithm code, simple and practical!)

有关于相位，频率，等数字调制技术识别的MATLAB代码，(Have on the phase, frequency, and other digital modulation techniques to identify the MATLAB code,)