 Wysłany: Nie 1:53, 08 Maj 2011 Temat postu: Ed Hardy mexico Noise Source Identification of nea |
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| Noise Source Identification of near-field acoustical holography and numerical simulation
Chimes of vibration characteristics of acoustic holography. Acoustics. 2000; 25 (1) :87-92 Jo Yong Ho. Acoustic inverse problem - acoustic holography field transformation technique and the source characteristics of discrimination. Progress in Physics. 1996; 16 (3 ~ 4): 6OO Yang Diange a 612. Zheng four rounds. Li more recreational. Sound source identification for the reconstruction of acoustic holography. Acustica, 2001; 26 (2) :156-16O Zheng Kai. Zheng four rounds. Yang Diange and so on. Noise field acoustic holography analysis of the spatial frequency reconstruction algorithm. Tsinghua University; 2002.42 (2) :247-25OAStudyonNoiseSourcesIdentificationUsingNearFieldAcousticHolographyMethodandItsNumericalSimulationAnalysisYuFeiChenJianZhouGuanlinChellXinzhao (DynamicMeasuringCenter, HefeiUniversityofTechnologyHefei,abercrombie en fitch, 230009) AbstractInthispapernear-fieldacousticholography (NAH) isintroducedintonoisesourcesidentificationandlocalization. Thetheoreticalanalysisandthenumericalsimulationofdifferentkindsofnoisesourcesshow: thatinthecaseofcomplexsoundsources,imagenes ed hardy, theycanbeidentifiedandlocalizedcorrectly, moreover,jordan shoes, theirvibrationamplitudecanberecognizedverywel1. Afterfilteringinwave-numberdomain,Ed Hardy mexico, therandomnoisesaddedinsoundpressuremeasurementdonotaffecttheresultofsoundsourcesidentificationverymuch. Finally, thefactorscausingthereconstructingerrorsandtherulesofselectingNAHparametersarediscussedindetails, whichishelpfultoengineeringmeasurementandnoisecontro1. Keywords: noisecontrollnearfieldacousticholography; noisesourcesidentification; wavenumber first author Yu Fei Men, Master. August 1980 students. Tel: (0551) 2901338-8335; E-mail: yufei6666 @ sina. com. cnII reached a new high, according to references are to papers statistics and analysis by comprehensive evaluation,abercrombie günstig, This is the publication last year was named 相关的主题文章： tory burch London Founder printing and publishing jordan shoes Fine printing of information manageme jordan shoes Continuous printing for packaging des |
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