利用资料重现厄尔尼诺浑沌特征的相空间投影技术
THE PROJECTING TECHNIQUE OF REAPPEARING THE CHAOTIC FEATURES OF ELNINO FROM TIME SERIES
-
摘要: 首次提出了利用一维时间序列重现高维浑沌系统演化特征的相空间投影技术,并用Lorenz系统的积分序列加以验证。在对东太平洋(180-90°W,0-10°S)区域57个格点月平均海温序列作同样的分析后,发现与之对应的厄尔尼诺现象有着明显的双稳态浑沌特征,该结果与Valis(1986)通过一个简单海气相互作用模式模拟的结果很接近。Abstract: The technique we present in this paper is first put forward,which can be used to reappear the evolution of a chaotic system from its low-dimensional data by projecting on an embedding phase space. The practicality and feasibility were verified by experimenting on Lorenz system and El Nino,an atmospheric dynamical system,which had 2 stationary (but unstable) solutions shown in projecting figures.
-
Key words:
- Phase space /
- Time series /
- El Nino /
- Projecting /
-

计量
- 文章访问数: 832
- HTML全文浏览量: 0
- PDF下载量: 922
- 被引次数: 0