{"title":"用于超声回波时延估计的自适应线路增强器","authors":"Chayanin Tiengwattanatum, Nakamura Naoyukit, Tetsuya Shimamurat","doi":"10.1109/ISCIT.2008.4700215","DOIUrl":null,"url":null,"abstract":"A new method of time delay estimation for ultrasonic echoes in noisy environment is proposed. By using the least mean square algorithm for adaptive line enhancer as a pre-filter and following by a cross correlator can achieve better performance than the conventional method. Computer simulations results confirm the superiority of the proposed method even at very low signal-to-noise ratios.","PeriodicalId":215340,"journal":{"name":"2008 International Symposium on Communications and Information Technologies","volume":"11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Adaptive Line Enhancer for Time Delay Estimation of Ultrasonic Echoes\",\"authors\":\"Chayanin Tiengwattanatum, Nakamura Naoyukit, Tetsuya Shimamurat\",\"doi\":\"10.1109/ISCIT.2008.4700215\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A new method of time delay estimation for ultrasonic echoes in noisy environment is proposed. By using the least mean square algorithm for adaptive line enhancer as a pre-filter and following by a cross correlator can achieve better performance than the conventional method. Computer simulations results confirm the superiority of the proposed method even at very low signal-to-noise ratios.\",\"PeriodicalId\":215340,\"journal\":{\"name\":\"2008 International Symposium on Communications and Information Technologies\",\"volume\":\"11 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-12-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2008 International Symposium on Communications and Information Technologies\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISCIT.2008.4700215\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 International Symposium on Communications and Information Technologies","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISCIT.2008.4700215","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Adaptive Line Enhancer for Time Delay Estimation of Ultrasonic Echoes
A new method of time delay estimation for ultrasonic echoes in noisy environment is proposed. By using the least mean square algorithm for adaptive line enhancer as a pre-filter and following by a cross correlator can achieve better performance than the conventional method. Computer simulations results confirm the superiority of the proposed method even at very low signal-to-noise ratios.
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