由于信号进行多径传播达到接收点处的场强来自不同传播的路径，各条路径延时时间是不同的，而各个方向分量波的叠加，又产生了驻波场强，从而形成信号快衰落称为瑞利衰落。-Because the signal carries on the multipath propagation to achieve the point of reception place field intensity from the different dissemination way, each way delay time

基于正弦波叠加的两径瑞利衰落jakes模型-two-paths rayleigh jakes channel model based on superposition with sin(x)

基于正弦波叠加方法生成的两径瑞利衰落jakes信道模型程序-two paths rayleigh jakes channel modes based on the superpostion of multiple sin(x) signals

产生64QAM基带通信系统发射机：基带成型滤波采用3种方式（1）采用每个符号调制一个成型滤波函数，然后将各个函数进行时域叠加的方法； （2）采用信号与低通滤波器响应函数卷积的方法；（3） matlab自带的升余弦函数-Produce 64QAM baseband communication system transmitter: baseband shaping filter uses three ways (1) the use of a molding each symbol modul