heqiangyong 发表于 2008-9-17 17:54

知道延迟时间，给出一组数据，如何画吸引子图或者poincare图。谢谢了

△t=1/512;
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[ 本帖最后由 无水1324 于 2008-9-17 22:06 编辑 ]

无水1324 发表于 2008-9-17 22:05

回复 楼主 heqiangyong 的帖子

数据文件最好以txt文件的形式给出来

heqiangyong 发表于 2008-9-18 09:24

知道延迟时间，给出一组数据，如何画吸引子图或者poincare图。谢谢了

无水大哥，你帮我看看吧！谢谢！

heqiangyong 发表于 2008-9-19 09:00

回复 沙发 无水1324 的帖子

无水大哥，数据我已经传上来了

无水1324 发表于 2008-9-21 17:52

首先，我想的是只有一组数据，就相当于有了时间t和x，但是我们需要dx即速度项，才能构建Poincare映射，加入不能增加数据，就只能通过向空间重构的方法，构建dx出来，然后再分析，这里面的dx可以使广义的速度，但是不一定就是速度了

heqiangyong 发表于 2008-9-22 08:51

回复 5楼 无水1324 的帖子

以X(t)和X(T+△t)为坐标的画图可以叫吸引子图嘛？

无水1324 发表于 2008-9-27 22:01

回复 6楼 heqiangyong 的帖子

可以，但是这样能否真实反映原系统？这个问题你要考虑一下。
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查看完整版本: 知道延迟时间，给出一组数据，如何画吸引子图或者poincare图。谢谢了