FPGA实现软件无线电的matlab程序

% sine100hz.m generate 100 Hz sine wave with sampling rate fs=1/Ts clear; f=1000; % frequency of wave time = 0.1; % total time in seconds Ts = 1/10000; % sampling interval t = Ts:Ts:time; % define a "time" vector tmp = rand(1,10); for n=1:10 if(tmp(n)>0.5) tmp1(n) = 1; else tmp1(n) = -1; end end for i=1:10 for j=1:100 band((i-1)*100+j) = tmp1(i); end end w=sin(2*pi*f*t); % define the sine wave v = w.*band; nco = sin(2*pi*(f+20)*t + pi*0/180); r = v.*nco; figure(1); subplot(4,1,1) plot(t,band); % plot the sine vs. time xlabel('seconds') % label the x axis subplot(4,1,2) plot(t,w); % plot the sine vs. time xlabel('seconds') % label the x axis subplot(4,1,3) plot(t,v); % plot the sine vs. time xlabel('seconds') % label the x axis subplot(4,1,4) plot(t,r); % plot the sine vs. time xlabel('seconds') % label the x axis