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自相关法和CC法求时延

于 2022-03-13 发布 文件大小:3.43 kB
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应用背景可用于混沌分形系统的分析中,用Takens定理重构状态空间方法就是应用了延迟坐标法,该方法的关键思想就是延时再造,通过引入延迟时间和嵌入维数,把一维时间序列改造成多维相空间以重建原动力系统。关键技术应用相关技术求混沌系统的时间延迟,在选择时,C作为一个特定的阀值,大量研究表明,当自相关函数C的值第一次为1/2、或第一次为0、或C的第一个拐点对应的时间就是相空间重构的时间延迟。还有C-C方法求时延。

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