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Wavelet Analytical Forecasting Method of Water Consumption 被引量:1
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作者 刘洪波 张宏伟 《Transactions of Tianjin University》 EI CAS 2004年第3期206-208,共3页
A new method of short-term forecasting for water consumption in municipal supply water networks based on wavelet transformation is introduced. By wavelet decomposing commonly used in the signal field, water consumptio... A new method of short-term forecasting for water consumption in municipal supply water networks based on wavelet transformation is introduced. By wavelet decomposing commonly used in the signal field, water consumption per hour is decomposed into many series. Trend item, cycle item and random item are separated from the original time series in this way.Then by analyzing, building a model, forecasting every series and composing the results, the forecasting value of the original consumption is received. Simulation results show that this forecasting method is faster and more accurate, of which the error is less than 2%, indicating that the wavelet analytical method is practicable. 展开更多
关键词 wavelet transformation water consumption per hour short-term forecasting
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