diffra

这是一个语音情感识别预处理时分帧的源代码，毕业设计专用 (This is the source code of a speech emotion recognition preprocessing time division frames, graduation design)

算术编码的程序,是一种经典的程序，可以作为一个函数来使用。(Arithmetic coding procedures, is a classic program that can be used as a function.)

this is another gmm training matlab source code. it use k-means for initialization of parameter before trainig, not LBG algirhtm. so it is very helpful for GMM training

this matlab code is useful for ranging applications where localization done using maximumum likelihood algorithm.

后向投影的一个很好的工具箱，利用matlab编写，很容易看懂，主要用于雷达等方面(Line_Phantoms For Back_Projection Detectability Tests)

说明：  用粒子群算法去优化一个给定的函数，使其找到最小值或最大值(Using particle swarm algorithm to optimize a given function, to find the minimum or maximum value)

代码中描述了用星座图扩展法（Active Constellation Extension，ACE）降低OFDM时域信号的PAPR，ACE的具体算法是凸集映射（Projection Onto Convex Sets，POCS）(These codes describe PAPR reduction using Active Constellation Extension (ACE). The detailed algorithm is Projection Onto Convex Sets (POCS）)

三机九节点测试系统，用于各种电力系统类分析开发测试接线图(Three turbines nine node test system for all kinds of electric power system analysis of the development of testing the wiring diagram )

说明：  此程序为MATLAN下实现JPEG标准的图像压缩代码，希望对读者有用。第一次上传……(This program MATLAN to achieve the standard JPEG image compression code, I hope useful to readers. First upload ... ...)

matlab实现快速傅里叶变换的原始程序，有助于理解蝶形运算(matlab realize the fast Fourier transform of the original program, help to understand the butterfly operation)