{"title":"随机相位传感器在石墨环氧复合材料中的衰减测量与缺陷检测","authors":"C. Soufflet, M. Fink","doi":"10.1109/ULTSYM.1988.49535","DOIUrl":null,"url":null,"abstract":"Random phase transducers were used to measure the attenuation of graphite epoxy composites of different porosity. It is shown that the random phase transducer allows attenuation estimation from the speckle noise coming from the sample volume. This technique is compared with the spatial compounding technique. Flaw detection is also performed with random phase transducers, and it is shown that specular reflector echoes are enhanced, compared with scattering noise, with this type of transducer.<<ETX>>","PeriodicalId":263198,"journal":{"name":"IEEE 1988 Ultrasonics Symposium Proceedings.","volume":"85 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Attenuation measurement and flaw detection in graphite epoxy composites with random phase transducers\",\"authors\":\"C. Soufflet, M. Fink\",\"doi\":\"10.1109/ULTSYM.1988.49535\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Random phase transducers were used to measure the attenuation of graphite epoxy composites of different porosity. It is shown that the random phase transducer allows attenuation estimation from the speckle noise coming from the sample volume. This technique is compared with the spatial compounding technique. Flaw detection is also performed with random phase transducers, and it is shown that specular reflector echoes are enhanced, compared with scattering noise, with this type of transducer.<<ETX>>\",\"PeriodicalId\":263198,\"journal\":{\"name\":\"IEEE 1988 Ultrasonics Symposium Proceedings.\",\"volume\":\"85 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-10-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE 1988 Ultrasonics Symposium Proceedings.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ULTSYM.1988.49535\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE 1988 Ultrasonics Symposium Proceedings.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ULTSYM.1988.49535","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Attenuation measurement and flaw detection in graphite epoxy composites with random phase transducers
Random phase transducers were used to measure the attenuation of graphite epoxy composites of different porosity. It is shown that the random phase transducer allows attenuation estimation from the speckle noise coming from the sample volume. This technique is compared with the spatial compounding technique. Flaw detection is also performed with random phase transducers, and it is shown that specular reflector echoes are enhanced, compared with scattering noise, with this type of transducer.<>
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