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33模Lorenz系统的混沌特征及其可预报性分析 被引量:3

Chaotic Characters and Predictability of 33 Mode Lorenz System
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摘要 简述了33模Lorenz系统的导出及求解过程,并从功率谱、关联维数和Lyapunov指数等三方面验证其33个谱模分量及流场和扰动温度场得到的时空序列具有混沌特性,并对其进行可预报性分析。结果表明,对于混沌系统而言,对其时空序列取平均并不能延长可预报时效。 An ideal non-noise spatio-temporal series (33 mode Lorenz system) is used in this paper, and its chaotic property is tested with the calculation of power spectrum, dimension and Lyapunov exponent and its predictability character is also analyzed, it shows that the predictability ability can not be improved by means of averaging for the chaotic time series.
出处 《高原气象》 CSCD 北大核心 2006年第1期9-15,共7页 Plateau Meteorology
基金 国家自然科学基金项目(40505018 40035010) 江苏省气象灾害重点实验室开放课题(KJS0405) 中国科学院大气物理研究所知识创新工程领域前沿项目共同资助
关键词 复杂系统 混沌 可预报性 Complex system Chaos Predictability
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参考文献12

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二级参考文献26

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