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Coherent Phenomena in Stochastic Dynamical Systems

机译:随机动力系统中的相干现象

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摘要

Basic ideas of the statistical topography of random processes and fields are presented, which are used in the analysis of coherent phenomena in simple dynamical systems. Such phenomena take place with probability one, and provide links between individual realizations and statistical characteristics of systems at large. We confine ourselves to several examples: transfer phenomena in singular dynamic systems under the action of random forces; dynamic localization of plane waves in randomly stratified media; clustering of randomly advected passive tracers; and formation of caustic structures for wave fields in randomly inhomogeneous media. All these phenomena are studied based on the analysis of one-point (space-time) probability distribution functions.
机译:介绍了随机过程和场的统计拓扑的基本思想,这些思想用于分析简单动力系统中的相干现象。这样的现象发生的可能性为一,并在个体实现和整个系统的统计特征之间提供了联系。我们将自己限制在几个例子中:在随机力的作用下,奇异动力系统中的传递现象;平面波在随机分层介质中的动态定位;随机平移的被动示踪剂聚类;非均匀介质中波场的腐蚀结构的形成基于对单点(时空)概率分布函数的分析,研究了所有这些现象。

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