main.m

基带数字信号通过成形滤波（选用升余弦滚降函数）然后进行载波调制

%应用实例

clc;clear;

sample=16;
%sample=32;
%sample=128;%为清晰显示波形  采样点数可设为16或32 

fc=10000;delta_f=1500;
fb=500;fs=fb*sample;

       
d2=randint(1,30,2);d4=randint(1,60,4);d8=randint(1,120,8);
d16=randint(1,240,16);d32=randint(1,480,32);      
       
s_2ASK=mod_ask(d2,sample,2,fb,fc);s_4ASK=mod_ask(d4,sample,4,fb,fc);
s_16QAM=mod_qam(d16,sample,16,fb,fc);s_32QAM=mod_qam(d32,sample,32,fb,fc);
s_2PSK=mod_mpsk(d2,sample,2,fb,fc);s_4PSK=mod_mpsk(d4,sample,4,fb,fc);