{"title":"基于阵列的管道构件声学特性表征方法","authors":"M. Conti, A. Stokes, C. Corrado","doi":"10.1115/imece2001/nca-23506","DOIUrl":null,"url":null,"abstract":"\n We present recently developed experimental methods of estimating acoustic scattering matrix representations of piping components such as valves and bends. Scattering matrices quantify the frequency dependent reflection and transmission coefficients for a wave incident on a device, and include terms representing the conversion of energy from one wave type to another. Scattering matrix representations of individual components can be embedded in a transmission line model to numerically assess acoustic transmission through a full piping system. This paper addresses both the experiment design and signal processing algorithms required to measure the scattering matrix.","PeriodicalId":387882,"journal":{"name":"Noise Control and Acoustics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Array-Based Methods of Characterizing Piping Component Acoustic Behavior\",\"authors\":\"M. Conti, A. Stokes, C. Corrado\",\"doi\":\"10.1115/imece2001/nca-23506\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n We present recently developed experimental methods of estimating acoustic scattering matrix representations of piping components such as valves and bends. Scattering matrices quantify the frequency dependent reflection and transmission coefficients for a wave incident on a device, and include terms representing the conversion of energy from one wave type to another. Scattering matrix representations of individual components can be embedded in a transmission line model to numerically assess acoustic transmission through a full piping system. This paper addresses both the experiment design and signal processing algorithms required to measure the scattering matrix.\",\"PeriodicalId\":387882,\"journal\":{\"name\":\"Noise Control and Acoustics\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2001-11-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Noise Control and Acoustics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1115/imece2001/nca-23506\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Noise Control and Acoustics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1115/imece2001/nca-23506","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Array-Based Methods of Characterizing Piping Component Acoustic Behavior
We present recently developed experimental methods of estimating acoustic scattering matrix representations of piping components such as valves and bends. Scattering matrices quantify the frequency dependent reflection and transmission coefficients for a wave incident on a device, and include terms representing the conversion of energy from one wave type to another. Scattering matrix representations of individual components can be embedded in a transmission line model to numerically assess acoustic transmission through a full piping system. This paper addresses both the experiment design and signal processing algorithms required to measure the scattering matrix.
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