{"title":"声信号时频处理的有效性","authors":"A. Elhanaoui, G. Maze, E. Aassif, D. Decultot","doi":"10.1109/ATSIP.2017.8075578","DOIUrl":null,"url":null,"abstract":"In this document, smoothed pseudo Wigner-Ville (SPWD) and reassigned spectrogram (RSPD) time-frequency distributions were developed and used to analyze an acoustic signal scattered from an thin cylindrical metallic tube immersed in water. In the work, the studied tube is made of two parts. The obtained results suggest that the time-frequency methods are suitable to find various resonances of circumferential waves that are propagated around the shell, and give better concordance with the theoretical results.","PeriodicalId":259951,"journal":{"name":"2017 International Conference on Advanced Technologies for Signal and Image Processing (ATSIP)","volume":"216 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Usefulness of time-frequency treatment to an acoustic signal\",\"authors\":\"A. Elhanaoui, G. Maze, E. Aassif, D. Decultot\",\"doi\":\"10.1109/ATSIP.2017.8075578\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this document, smoothed pseudo Wigner-Ville (SPWD) and reassigned spectrogram (RSPD) time-frequency distributions were developed and used to analyze an acoustic signal scattered from an thin cylindrical metallic tube immersed in water. In the work, the studied tube is made of two parts. The obtained results suggest that the time-frequency methods are suitable to find various resonances of circumferential waves that are propagated around the shell, and give better concordance with the theoretical results.\",\"PeriodicalId\":259951,\"journal\":{\"name\":\"2017 International Conference on Advanced Technologies for Signal and Image Processing (ATSIP)\",\"volume\":\"216 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 International Conference on Advanced Technologies for Signal and Image Processing (ATSIP)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ATSIP.2017.8075578\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 International Conference on Advanced Technologies for Signal and Image Processing (ATSIP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ATSIP.2017.8075578","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Usefulness of time-frequency treatment to an acoustic signal
In this document, smoothed pseudo Wigner-Ville (SPWD) and reassigned spectrogram (RSPD) time-frequency distributions were developed and used to analyze an acoustic signal scattered from an thin cylindrical metallic tube immersed in water. In the work, the studied tube is made of two parts. The obtained results suggest that the time-frequency methods are suitable to find various resonances of circumferential waves that are propagated around the shell, and give better concordance with the theoretical results.
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