摘要
对寒区冬季气温时间序列的混沌特性及其应用技术进行了研究.先通过0-1混沌测试法确定寒区冬季气温时间序列具有混沌特性,然后通过相空间重构,分别利用C-C算法和G-P算法确定延迟时间和嵌入维数.在此基础上,提出了一种相空间重构和Volterra滤波的寒区冬季气温预测方法.实例分析表明,提出的预测方法在预测精度、预测误差、预测效果方面均优于常见模型,证明该预测方法是可行和有效的.
The chaos characteristics of temperature time series in cold regions' winter were studied. Firstly, it is determined by 0-1 time series of chaotic test method that the chaos characteristics of temperature in cold regions' winter. Secondly, reconstructing phase spaces, and using the C-C algorithm and G-P algorithm to determine the delay time and embedding dimension. Then, based on phase space reconstruction and Vinterra filter, a temperature prediction method in cold regions' winter is proposed. Case analysis shows that the proposed method is superior to the common model in accuracy, prediction error and effect, and the prediction method is feasible and effective.
引文
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