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《Journal of Yangtze River Scientific Research Institute》 2006-03
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Unascertained Filtering Method for Monitoring Data of Earth Rock-fill Dams

HUANG HONG-nu~1,HUA Xi-sheng~1,SONG Xiao-gang~2 (1.School of Civil Engineering,Hohai University,Nanjing 210098,China;2.School of Remote Sensing and Information Engineering,Wuhan University,Wuhan 430079,China)  
In combination with unascertained mathematical theory,a unascertained filtering(UF) method is brought forward and the related parameters are investigated.Consequently,the latent problems are analyzed and some corresponding measures advanced.The value of λ is optimized by alternative calculation and the sectional parameter m determined by enumeration,so the validity and reliability of this method may be ensured.By using the UF method in the monitoring and experiment,the problems on error hiding,normal data discarding and hard to differentiate errors from abnormality existing in traditional methods for detecting errors are settled.The UF nethod possesses the characters of dynamic and real-time,and has the predominance in solving data error series with a long observation period and a wide span obtained from an ERD.This new approach to process error is feasible and rather ideal.
【CateGory Index】: TV698.1
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