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通信系统中的接入信道部分进行仿真与分析,运用MATLAB软件对接入信道部分进行设计，并逐步地对各个模块进行分析、仿真与验证。(Communication systems part of the access channel simulation and analysis)

TWISTER Uniformly distributed pseudo-random numbers

finds the ratio between number of local extrema of a signal (vector) to the size of the signal (vector)

shows how signals work in plots complex signal A*(sin(w)+cos(w))

本函数计算hankel函数一致展开中的变量(This function calculation hankel function unanimously expand the variable)

用matlab来实现各种滤波，如频域低通滤波，理想低通，巴特沃斯等。(Using matlab to achieve a variety of filters, such as frequency-domain low-pass filter,an ideal low-pass Butterworth and so on.)

基于SFBC-OFDM系统的信道估计源代码，包含各种相关的算法(SFBC- OFDM system channel estimation source code, including a variety of related algorithms )

说明：  利用matlab语言编写的水下简正波分析程序，可计算P(Matlab language use underwater normal wave analysis procedures, calculate P)

对位图图像利用JPEG标准进行正交变换、量化、扫描从而达到压缩，同时解压显示其压缩图像。(Bitmap image using JPEG standard orthogonal transformation, quantization, scanning to achieve the compression, and decompression display the compressed image.)

模式识别的重要工具箱，共同学习公共进步。(Pattern recognition toolbox, useful for all of us hope!)