% 產(chǎn)生包含2^10點(diǎn)的'Heavy sine'信號(hào)
x = wnoise(3,10); 
figure(1);
ind = linspace(0,1,2^10); 
subplot(5,1,1),plot(ind,x),title('Heavy sine信號(hào)');

% 產(chǎn)生包含2^10點(diǎn)的'Doppler' 信號(hào)，信噪比為7
[x,noisyx] = wnoise(4,10,7);
subplot(5,1,2),plot(ind,x),title('Doppler信號(hào)');
subplot(5,1,3),plot(ind,noisyx),title('含噪聲的Doppler信號(hào)');

% 產(chǎn)生隨機(jī)數(shù)種子
init = 2055415866; 
[x,noisyx] = wnoise(4,10,7,init);
subplot(5,1,2),plot(ind,x),title('Doppler');
subplot(5,1,4),plot(ind,x),title('由種子產(chǎn)生的Doppler信號(hào)');
subplot(5,1,5),plot(ind,x),title('由種子產(chǎn)生的含噪聲的Doppler信號(hào)2');
% 顯示所有的波形
figure(2);
x = wnoise(1,10); 
subplot(6,1,1),plot(ind,x),title('Blocks信號(hào)');
x = wnoise(2,10); 
subplot(6,1,2),plot(ind,x),title('Bumps信號(hào)');
x = wnoise(3,10); 
subplot(6,1,3),plot(ind,x),title('Heavy sine信號(hào)');
x = wnoise(4,10); 
subplot(6,1,4),plot(ind,x),title('Doppler信號(hào)');
x = wnoise(5,10); 
subplot(6,1,5),plot(ind,x),title('HQuadchirp信號(hào)');
x = wnoise(6,10); 
subplot(6,1,6),plot(ind,x),title('Mishmash信號(hào)');