ip_07_02.m
上传用户:loeagle
上传日期:2013-03-02
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- % MATLAB script for Illustrative Problem 7.2.
- echo on
- T=1;
- M=8;
- Es=T/2;
- fc=6/T; % carrier frequency
- N=100; % number of samples
- delta_T=T/(N-1);
- t=0:delta_T:T;
- u0=sqrt(2*Es/T)*cos(2*pi*fc*t);
- u1=sqrt(2*Es/T)*cos(2*pi*fc*t+2*pi/M);
- u2=sqrt(2*Es/T)*cos(2*pi*fc*t+4*pi/M);
- u3=sqrt(2*Es/T)*cos(2*pi*fc*t+6*pi/M);
- u4=sqrt(2*Es/T)*cos(2*pi*fc*t+8*pi/M);
- u5=sqrt(2*Es/T)*cos(2*pi*fc*t+10*pi/M);
- u6=sqrt(2*Es/T)*cos(2*pi*fc*t+12*pi/M);
- u7=sqrt(2*Es/T)*cos(2*pi*fc*t+14*pi/M);
- % plotting commands follow
- subplot(8,1,1);
- plot(t,u0);
- subplot(8,1,2);
- plot(t,u1);
- subplot(8,1,3);
- plot(t,u2);
- subplot(8,1,4);
- plot(t,u3);
- subplot(8,1,5);
- plot(t,u4);
- subplot(8,1,6);
- plot(t,u5);
- subplot(8,1,7);
- plot(t,u6);
- subplot(8,1,8);
- plot(t,u7);