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- W2380459742 abstract "Taking the inflow time series of Panjiakou reservoir from 1956 to 2003 as research object,the time frequency analysis for the evolution features of the inflow time series was made by means of S-transform,obtaining the 3-D distribution spectrogram of the hydrological time series on the time-frequency plane.The spectrogram clearly displayed the multi-timescale evolution features of the inflow time series in different time periods.Then,the analysis of topology structure for the spectrogram was carried out and the macroscopic evolution law of the inflow time series of Panjiakou reservoir was summarized.The result showed that the yearly inflow volume of Panjiakou reservoir was of a decreasing trend in the past 50 years,and there were 16 a and many 10 a multi-cycle oscillations in the time series evolution process,and the 3-10 a periodic components played a leading role in the evolution process.Moreover,each of 3-10 a periodic components had a different contribution to the fluctuating features of inflow time series of Panjiakou reservoir in different time periods." @default.
- W2380459742 created "2016-06-24" @default.
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- W2380459742 date "2011-01-01" @default.
- W2380459742 modified "2023-09-24" @default.
- W2380459742 title "Multi-timescale Analysis of Inflow Time Series of Panjiakou Reservoir Based on S-transform" @default.
- W2380459742 hasPublicationYear "2011" @default.
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