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Wavelet Analysis for the Diagnosis of Period and Jump in Hydrological Time Series
Author(s): 
Pages: 32-35
Year: Issue:  1
Journal: Geotechnical Investigation & Surveying

Keyword:  年平均流量时间序列 年最大洪峰流量序列 周期 突变 小波分析;
Abstract: 以三峡宜昌站年最大洪峰序列和金沙江屏山站年平均流量序列为例 ,利用小波变换时频局部化功能 ,将水文序列的频率特征在时间域上展现出来 ,清晰地给出了各种周期的强弱和分布情况以及突变点 ,而且还分析出其主要周期。研究结果表明 ,小波分析法是优越的。
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