共查询到3条相似文献，搜索用时 0 毫秒
1.
ＩｎｔｒｏｄｕｃｔｉｏｎＡｎｅｄｇｅｉｎａｎｉｍａｇｅｍａｙｂｅｄｅｆｉｎｅｄａｓａｒａｐｉｄｇｒａｙｃｈａｎｇｅｉｎｔｈｅｒｅｇｉｓｔｅｒｅｄｉｎｔｅｎｓｉｔｙｖａｌｕｅｓ．Ｔｈｅｍｏｓｔｎａｔｕｒａｌｗａｙｔｏｄｅｔｅｃｔｃｈａｎｇｅｓｉｎｔｈｅ... 相似文献
2.
Introduction Dynamicbehaivoranalysis of the cracked rotorhas been investigated since 1 960 's,and now the re-searches on the faultdiagnosis and condition moni-toring of cracked rotor are paid more and more at-tentions because of its importance in industry.in1 970 's,Gasch proposed a simple hinge crack modelthat was very good for the representation of thecyclic stiffness variables and the stability lim-its[1,2 ] . With fracture mechanics,Dimarogonas andhis colleagues modelled the crack as a … 相似文献
3.
ANALYSIS AND APPLICATION OF QUADRATIC SPLINE WAVELET FILTER 总被引：1，自引：0，他引：1
1IntroductionWavelettransform(WT)hasbeensuccess-fullyappliedinawidevarietyofresearchareas,suchastime-frequencyana1ysis,subbandcod-ing,multiratesignalprocessing,vision,com-putergraphicsandnoisereduction.Theapplica-tionsofWTinmedicineandbiologyrangefromtheanalysisofthemoretraditionalphysiologicalsignalssuchastheelectrocardiogram(ECG),electroencephalogram(EEG),evokedpotentials(EP),totheveryrecentimagingmodalitiesin-cludingpositronemissiontomography(PET),magneticresonanceimaging(MRI)andfunc… 相似文献