97288435Speech_signal_short_time_analysis

说明：  关于支持向量机的matlab程序 有兴趣的同学可以下载看看(With regard to support vector machine matlab program Interested students can download to see if)

说明：  编程通过matlab仿真。确定突变结和非突变结击穿电压随P区和N区浓度的变化关系。(Programmed by Matlab simulation. Determine the abrupt junction and non-abrupt junction breakdown voltage variation with the concentration of P and N District.)

matlab定标指导书及实例Demo,可用于实际指导工程搭建(matlab calibration instructions and examples Demo, can be used for practical guidance on engineering structures)

着重研究Turbo编译码技术及其在均衡中的应用，以及在频率选择性MIMO信道中Turbo均衡的应用。(Turbo Decoding focuses on technology and its application in equilibrium, and the application of frequency-selective MIMO channel equalization in Turbo.)

基于MATLAB图像处理技术随书源代码第八章(MATLAB-based image processing technology with the book source code Chapter VIII)

matlab code for audio signal

一个OFDM符号128个有效符号，插入128个虚拟子载波 符号率（即有效数据率）fsymbol，而发送速率（需要包括虚拟子载波）2fsymbol 输入的数据需要2倍的发送数据率，以便进行内插，实现位定时跟踪，即4倍fsymbol采样率的调制信号 OFDM symbol Nfft=128 points 一个OFDM符号数据点 Nfft*2 = 256 ， Guard Interval点 ＝Ng*2=64 ( a OFDM symbol 128 effective symbols, insert 128 virtual sub-carrier symbol rate (i.e. valid data rate), and fsymbol sending rate (need to include virtual sub-carrier) 2fsymbol input data need 2 times the sending data rate for interpolation, realize a timing tracking, namely fsymbol sampling rates four times the modulation signal OFDM symbol Nfft = 128 points a OFDM symbol of data points Nfft* 2 = 256, Guard Interval point = Ng* 2 = 64 )

实现mimo预编码环境中容量的所有计算,包括不同的准则(mimo achieve pre-coding capacity of the environment all calculations, including the different criteria)

多种方法实现各（均匀分布，高斯分布，指数分布，瑞利分布等）分布的随机数产生(A variety of methods to realize the (uniform distribution, gaussian distribution, exponential distribution and Rayleigh distribution, etc.) of random number is generated)

自相关程序，本程序用来求序列的自相关运算，效果不错(since the associated procedures, the procedures used for the sequence-related operations since good results)