chapter10

《MATLAB/Simulink建模与仿真实例精讲》第9章相关例子程序，可以运行。(" MATLAB/Simulink modeling and the simulation example 精讲" Chapter 9 example program can run.)

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 (128 of an OFDM symbol of a valid symbol 128 inserted virtual sub-carrier Symbol rate (the effective data rate) fsymbol sending rate (including virtual subcarriers) 2fsymbol Of the input data needs to be 2 times the transmission data rate, in order to carry out the interpolation, to achieve the bit timing tracking, i.e. four times the sampling rate modulation signal fsymbol OFDM symbol Nfft = 128 points One OFDM symbol data points nfft* 2 = 256, the Guard Interval dot = Ng* 2 = 64)

加权质心定位算法,Matlab程序，应用于无线传感器定位(Weighted centroid location algorithm, Matlab program, used wireless sensor positioning)

说明：  用matlab语言实现图像的锐化算法，效果很好，可以参数值设置不同可得到不同的锐化效果(Matlab language used to achieve image sharpening algorithm, well, you can set different parameter values can be different sharpening effect)

matlab实现对单声道立体声信号的fir低通滤波器，使用窗函数方法。并将信号写入.dat文件供硬件仿真使用。(fir low-pass filter use window function method，use matlab)

采用主成分分析法,用于筛选数据库中效率较高的成分(Using principal component analysis for the screening of the database more efficient ingredients)

此代码为较为全面的ofdm无线通信的链路仿真，实现了信道模型，传输等，内容翔实，适合无线通信专业的研究生学习。(This code is more comprehensive wireless communications link ofdm simulation to achieve a channel model, transmission, informative, suitable for wireless communications professional graduate study.)

4qam调制信号在瑞利分布信道中的matlab仿真(4qam modulated signal in the the Rayleigh distribution channel matlab simulation)

the programs for convolution,fft,analysis for lti system

双馈电机的仿真模型，其中双馈电机是自己根据双馈电机的电气四阶微分方程搭的，用的不是matlab/simulink自带的。(DFIG simulation model，realized by forth order ODEs.)