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 Wysłany: Nie 4:28, 08 Maj 2011 Temat postu: alexa mulberry taske Cylindrical sound source iden |
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Cylindrical acoustic sound source identification and numerical implementation of the holographic method
paceusingtheboundaryelementmethod. J. A. S. A · 1996; 105 (5): 3OO3-3O165SeanFWu, NassifRayess, XiangZhao. Visualizationofacousticradiationfromavibratingbowlingbal1. J. A. S. A,[link widoczny dla zalogowanych], 2001; 109 (6) :2771-27796 Jo Yong Ho. Acoustic inverse problem - acoustic holography field transformation technique and determine the source characteristics. Progress in Physics, 1996; 16 (3 ~ 4): 6OO a 6127 Yu Fei, Chen Jian, Zhou Guanglin, et al. Noise Source Identification of Near Field Acoustic Holography Method and numerical simulation. Vibration Engineering, 2003; 16 (3) :339 -3438 Cheng Kai, Zheng four rounds, Yang Diange, et al. Noise field acoustic holography analysis of the spatial frequency reconstruction algorithm. Tsinghua University, 2002; 42 (2) :247-25O9 Chengjian Zheng, Zhang Dejun. Qing reduction of vibration characteristics of acoustic holography. Acustica,[link widoczny dla zalogowanych], 2000; 25 (1) :87-921O Yu Fei,[link widoczny dla zalogowanych], Jian Chen, Xin-Zhao Chen. Dual-hologram separation technology and acoustic applications in acoustic holography. Acustica, 2003; 28 (5) :385-389StudyonNoiseSourcesIdentificationUsingCylinderAcousticHolographyMethodandItsNumericalImplementationYuFeiChenJianZhouGuanglinChenXinzhao (DynamicMeasuringCenter, HefeiUniversityofTechnology, Hefei, 230009, China) Abstract: Inthispapercylinderacousticholographybasedonspatialtransformofsoundfield (STSF) isintroducedintonoisesourcesidentificationandlocalizationforcylinderlikesoundsources. Cylinder-likesoundsourcessuchasair-compressorandelectricalmotorareverycommoninthemechanicalengineering, SOitisimportanttoidentifyandcontrolthenoisesourcesofthiskind. Thereconstructionalgorithmaredevelopedandtherelationbetweenthereconstructionerrorandthepressure-mea-surementerrorisalsoanalyzedinthispaper. Thenumericalsimulationswithdifferenttypesofsoundsourcesshowthatthedevelopedreconstructionalgorithmofcylinderacousticholographyiseffective, whichcanreconstructsoundfieldandidentifynoisesourcesaccurately. Keywords: noisecontrol; acousticholography; noisesourcesidentification; cylinder-likesources first author: Yu Fei,[link widoczny dla zalogowanych], male,[link widoczny dla zalogowanych], Ph.D., in August 1980 students. Tel: (0551) 2901338-8335; E-mail: yufei6666 @ sina. com. cn
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