语音处理，改变声调、语速等，matlab代码

一个关于蜂窝小区和微小区的信道模型的MATLAB例子，很好用。(MATLAB example of a cell and microcell channel model, well used.)

说明：  本源码实现遗传算法，用于RA准则下的多用户OFDM自适应资源分配(The source code implements genetic algorithm for multi-user OFDM adaptive resource allocation under RA criterion)

OPNET网络实例，OPNET方面的资料比较少，此书适合初学者入门使用(OPNET network example, OPNET' s data is relatively small, the book entry to use for beginners)

matlab中离散信号小数点时延的实现算法,可以精确实现一段序列的延时(numerical time-delay)

说明：  分数阶傅里叶法对LFM信号进行检测和参数估计的参考文献，可以参考原理。(The reference of fractional Fourier method for LFM signal detection and parameter estimation can refer to the principle.)

根据流程图搭建并且仿真OFDM系统，画出输入输出的信号的星座图，计算误码率，改变抽头系数……(According to the flow chart, the OFDM system is built and simulated. The constellation diagram of the input and output signals is drawn, the bit error rate is calculated, and the tap coefficient is changed.)

说明：  用matlab进行语音信号的采集，处理，还原，仿真数字通信的过程。(Using MATLAB to collect, process, restore and simulate the process of digital communication.)

说明：  Zero forcing - with interference cancellation

两发一收和一发一收空时分组码误码率仿真对比图(Two rounds of a close and Pitch-empty, block codes BER simulation comparison chart)

VPI中基于matlab联合仿真的直接检测ofdm系统(VPI-based co-simulation with matlab for the direct detection ofdm system)