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brqhl_ing

Òø³æ (СÓÐÃûÆø)

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brqhl_ing

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by lijinfeng042 at 2010-10-07 12:30:00:
È¡diff >0µÄÓÃ2piÈ¡´ú ¼Ó»ØÔ­Êý×é

ÏÂÃæÊÇÎÒдµÄ³ÌÐò£¬ÈçºÎÐÞ¸Ä?
function rosslertest2()
clc;
clear all;
tic;
[T,x]=ode45(@Rossler,[0,2000],[0.2;0.3;0.6;0.4;0.7;0.1]);
y1=x(:,1);
m1=hilbert(y1);
N=length(m1);
n1=imag(m1);
l1=real(m1);
p1=atan2(n1,l1);
p2=p1;
dy1=0;

for i=2:N;
     if    p1(i)          dy1=dy1+2*pi;
     end
         p2(i)=p2(i)+dy1;
   
end

y2=x(:,4);
m2=hilbert(y2);
M=length(m2);
n2=imag(m2);
l2=real(m2);
p3=atan2(n2,l2);
p4=p3;
dy2=0;

  for i=2:M;
     if    p3(i)          dy2=dy2+2*pi;
     end
         p4(i)=p4(i)+dy2;
      
  end
  p5=abs(p4-p2);
  plot(p5)
toc;
function dx = Rossler(t,x)
dx1=-(1+0.015)*x(2)-x(3)+0.01*(x(4)-x(1));
dx2=(1+0.015)*x(1)+0.15*x(2);
dx3=0.2+x(3)*(x(1)-10);
dx4=-(1-0.015)*x(5)-x(6)+0.01*(x(1)-x(4));
dx5=(1-0.015)*x(4)+0.15*x(5);
dx6=0.2+x(6)*(x(4)-10);
dx=[dx1;dx2;dx3;dx4;dx5;dx6];
3Â¥2010-10-07 19:50:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

lijinfeng042

ľ³æ (СÓÐÃûÆø)

Matlab

¡ï ¡ï
ctgu_zheng(½ð±Ò+1):¹ÄÀø¼ÌÐø½»Á÷Ó¦Öú¡£¡£¡£ 2010-10-07 20:25:16
hiqun(½ð±Ò+1):¸ÐлӦÖú 2010-10-08 11:53:49
È¡diff >0µÄÓÃ2piÈ¡´ú ¼Ó»ØÔ­Êý×é
¹¤×÷ÁË,ż¶û»áÉÏÀ´~¿ÉÒÔ¹Ø×¢ÐÂÀË΢²© @ÔÆÊÇ·çµÄÃÎ_Matlab
2Â¥2010-10-07 12:30:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijinfeng042

ľ³æ (СÓÐÃûÆø)

Matlab

¡ï
hiqun(½ð±Ò+1):¸ÐлӦÖú 2010-10-08 09:36:13
ÒýÓûØÌû:
Originally posted by brqhl_ing at 2010-10-07 19:50:01:

ÏÂÃæÊÇÎÒдµÄ³ÌÐò£¬ÈçºÎÐÞ¸Ä?
function rosslertest2()
clc;
clear all;
tic;
[T,x]=ode45(@Rossler,[0,2000],[0.2;0.3;0.6;0.4;0.7;0.1]);
y1=x(:,1);
m1=hilbert(y1);
N=length(m1);
n1=imag(m ...

²»Àí½âÄãµÄÒâ˼ ÄãÊÇҪʵʱµÄ¸Ä±äÏàλ»¹ÊÇÇó³ö½á¹ûͳһ¼Ó?
¹¤×÷ÁË,ż¶û»áÉÏÀ´~¿ÉÒÔ¹Ø×¢ÐÂÀË΢²© @ÔÆÊÇ·çµÄÃÎ_Matlab
4Â¥2010-10-08 09:23:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

brqhl_ing

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by lijinfeng042 at 2010-10-08 09:23:18:

²»Àí½âÄãµÄÒâ˼ ÄãÊÇҪʵʱµÄ¸Ä±äÏàλ»¹ÊÇÇó³ö½á¹ûͳһ¼Ó?

ÎÒµÄÒâ˼ÊÇ·Ö±ð¶¨Òå³öÁ½¸öÏàλ£¨Ë²Ê±£©£¬È»ºó×öÏàλ²î¡£»­³öÏàλ²îµÄͼ¡£hilbert±ä»»ºóÏàλuÒ»Ö±¶¼ÔÚ-piµ½piÖ®¼ä±ä»¯¡£µ«ÏàλӦ¸ÃÊÇËæÊ±¼äÔö³¤µÄ p1ºÍp3×ö³öÀ´µÄ¶¼ÊÇ´Ó-piÔö¼Óµ½piÈ»ºóÓÖͻȻÂäµ½-piÕâô¸ö״̬¡£ÏÖÔÚÏëÏû³ýÕâ¸öÂä²î¡£°ÑËûÃÇŪµ½Ò»ÌõÏßÉÏ¡£Äã¿ÉÒÔÏÈ»­³öp1p3µÄͼ¿´Ò»ÏÂ
5Â¥2010-10-08 09:54:37
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