Page 149 - 《水资源与水工程学报》2023年第3期
P. 149
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! 3# 2bc, E: pq]^`atdeI+fgrs-åhijklYmDºtØb./ 1 5
mentdecreasedfrom1.3089mmto0.9176mm,andtheMAEdecreasedfrom0.9263mmto0.7303
mmafterdenoising.Afterdenoising ,theproportionofsampleobservedvaluesthatfallinthe95% confi
dencerangeofthepredictedvaluesofthemodelissignificantlyincreased.Therefore,theapplicationof
waveletthresholddenoisingtothemeasuredsettlementdatacanreducetheerrorbetweentheobserved
valuesandtheactualvaluescausedbynoise ,andtheWavelet-GPRmodelispracticalandreliablein
predictingthesettlementdeformationofCFRD.
Keywords:deformationofconcretefacerockfilldam;settlementprediction;waveletthresholddenois
ing ;Gaussianprocessregression
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