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Multi-Steps Prediction Model of Underground Water Table Based on Chaotic Time Series(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2007年第01期
Page:
66-69
Research Field:
Publishing date:

Info

Title:
Multi-Steps Prediction Model of Underground Water Table Based on Chaotic Time Series
Author(s):
CHEN Nan-xiang1; ZHANG Hai-feng1; LI Song-hai2
1. Department of Geotechnical Engineering, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450008, Henan, China; 2. Yellow River Engineering Consulting Company, Zhengzhou 450011, Henan, China
Keywords:
time series;  phase space reconstruction;  chaos;  underground water table;  Lyapunov exponent;  corre- lation dimension
PACS:
P641.1;TV124
DOI:
-
Abstract:
Applying phase space reconstruction method, G-P arithmetic, C-C arithmetic and Wolf method, this paper distills Lyapunov exponents from one-dimension time series of underground water table in Ningling county. The result indicates that this time series possesses the character of chaos. The correlation dimension of time series, time delay and the largest Lyapunov exponent of underground water table in Ningling county are calculated. The add-weighted one-rank multi-steps prediction model is developed for the prediction of underground water table. The prediction indicates that this model can be easily used in multi-steps prediction of underground water table time series.

References:

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Memo

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Last Update: 1900-01-01