简介:Thispaperanalysesthefiveyears'monitoredstrainscollectedfromalong-termhealthmonitoringsysteminstalledonabridgewithwavelettransform.Intheanalysis,themonitoredstrainsarepre-processed,featuresofthemonitoreddataaresummarizedbriefly.Theinfluencesofthebasefunctionsontheresultsofwaveletanalysisarestudiedsimultaneously.Theresultsshowthatthedbwaveletisagoodmotherwaveletfunctionintheanalysis,andtheorderNshouldbelargerthan20,butlessthan46indeco...