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nono2009(½ð±Ò+1):¹ÄÀøÓ¦Öú£¡ 2010-05-29 20:08:50
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Originally posted by brqhl_ing at 2010-05-29 18:54:15:

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lijinfeng042

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Matlab

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adu886886(½ð±Ò+2):ллָµ¼ 2010-05-28 19:55:47
brqhl_ing(½ð±Ò+4): 2010-05-29 08:26:30
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Originally posted by brqhl_ing at 2010-05-28 08:44:56:
Çë½Ì¸ßÊÖһϰ¡£¬ÈçºÎÔÚmatlabÖÐÀûÓÃÏ£¶û²®Ìر任À´¶¨ÒåÏàλ£¡×îºÃ¾Ù¸ö¼òµ¥µÄÀý×Ó£¡Íò·Ö¸Ðл£¡£¡

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CODE:
%ÓàÏÒÐźÅ
n=0:512;
Ts=0.0125;
xn=cos(40*pi*n*Ts);
subplot(2,1,1);plot(n,xn);
xlabel('²ÉÑùµãÊýn');ylabel('ԭʼͼÏñx(n)');title('ÓàÏÒÐźÅ')

xn1=hilbert(xn)
xr=real(xn1)
xi=imag(xn1)
P=atan2(xi,xr)%¶¨ÒåÏàλ¾ÍÊÇ·´ÕýÇÐ
subplot(2,1,2);
plot(P)
xlabel('²ÉÑùµãÊýn');ylabel('˲ʱÏàλ')

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