6、msmustberesolved:a)the
monitoredindexesarenotenoughsensitivetodamages.b).thereliabilityofmonitor
systemitself.Inmostofautomaticmonitoringmethods,thedynamicbehaviorofastructureis
alwaystakenasthemostimportantconsideration.Inthepresentthesis,thesensitivityof
the