ch7_2_3

使用MATLAB对DSB-AM进行仿真：双边带幅度调制的过程以及对其中所包含的对信号的频谱分析都可以通过MATLAB中的M语句及相关函数来实现。假如信号m(t)=cos(m)以dsb-am方式调制载波c(t)=cos(20*pi*t),所的信号为y(t)，并将采样频率定为 fs=100Hz,则可在MATLAB中设计程序对该幅度调制的结果进行仿真，绘制已调信号波形和频谱分析。(It is a example for DSB-AM based on MATLAB .)

非线性优化-matlab函数库-optimset.zip(Nonlinear optimization-matlab function library-optimset)

解相关及MMSE和传统检测器比较的仿真程序包括有远近，无远近，有躁，无躁。(decorrelation and MMSE and traditional Detectors comparison simulation program including length, no distance, a rash, without rashness.)

协作通信中，运用放大转发的误码率分析。运用最大比合并(Collaborative communication, the use of forward error rate analysis of amplification. The use of maximum ratio combining)

it is histogram matching using companding method

matlab code for tight subplot

Laplace小波相关滤波法的matlab程序(Laplace Wavelet Correlation Filter matlab program)

别人编写插值与拟合的程序，拿回来一直没有用到，不知道对诸位有没有用(Others prepare interpolation and fitting procedures used have not been back, I do not know of you have no use)

说明：  walsh码的生成程序,小m序列的生成程序,以及求序列之间周期和非周期相关函数(code generation process, small m sequence generation process and seek sequence between cycles and cycle-related function)

这个程序是通信系统的CRC校验，完成了这方面的功能(This program is communication systems CRC, to complete the function of this area)