 Posted: Sun 0:08, 08 May 2011 Post subject: oakley solbriller Dual- sensor measurement and err |
|
| ,oakley solbriller
Dual- sensor measurement and error analysis Zhenqiang , J. Soundvjb. , 1976 ● 49:221-2306WilliamsEG, DardyHDandFinkRG. Atechniqueformeasurementofstructure-borneintensityinplates. J. Aeoust. SOC. Am. ,mulberry outlet, 1985l78 (6) l2061-20687GoyderGD, whiteRG. Vibrationalpowerflowfrommachinesintobuild-upstructres. J. SoundVib. ,christian louboutin shoes, 1980l68l59 a l178FahyFJ. SoundInternsity. ElsevierSciencePublishingCo. . 1989 . One. Call-in toward the Sun Zhaohui ,Tory Burch shoes, etc. 3 : Two- sensor measurement and error analysis Zhenqiang 259ErrorAnalysisonMeasurementofVibrationIntensityBasedonDualTransducersSunZhaohuiQinIfaomingWa ~ qgChongSunJincai (InstituteofAcousticEngineering.NorthwesternPolytechnicaIUniversityXiall, 710072) AbstractThevibrationintensitymeasurementtechniqueisanimprotantapproachwiththeobjectives0fi-dentifyingandrankingthevibrationtransmissionpathsaswellaslocalizingvibrationsources. Inthispa-per · themeasurementerrors0fthedual-transducermethodcausedbyspatialfinitedifferenceapproxlma-tion, thephasedifferencebetweenthetwotransducersandtheneglectoflnear-fieldcomponent8retheoreti-callyanabzedbywBvetheor * y. 1tisshownthat, foracertainstructur ~ anddistancebetweenthetwotrans-ducers, thefin / tedifferenceprovidestheupperIimitandtheDhasedifferenceglyesthelowerlimitofmen-sur ~ mentfrequencyband-Sincethenearfieldcomponentisneglectedinthistechn | que. acompensationap-proachforthiserrorisprovidedwhichmakesnear-fieldmeasurementposslble. Experimentswerecarriedoutonasteelplatewithsandsupportededges, andsatisfactoryagreementbetweenthetestedandpredicteddatawasobtained. Keywords, structureIvibrationintensity'far-fieldofflexuraiwavejfinitedifferenceapproximationphasematching Sun Zhaohui male first author ,abercrombie günstig, lecturer. May 1968 students. 相关的主题文章： Tory Burch UK Packaging Industry in Japan 2002, Statistics _4258 abercrombie outlet There is the printing process o imagenes ed hardy Packaging and artistic character |
|
