{"title":"An IIR adaptive line enhancer with controlled bandwidth","authors":"B. Farhang-Boroujeny","doi":"10.1109/ICCS.1994.474155","DOIUrl":null,"url":null,"abstract":"An IIR adaptive line enhancer (ALE), previously proposed by David, Stearns, Elliott and Etter (1983) is explored further. We propose a mechanism for controlling the bandwidth of the ALE, in an adaptive manner. The proposed mechanism increases the bandwidth of the ALE whenever its peak is not close to a spectral line of the input signal, to assure its fast convergence, and decreases the bandwidth of the ALE when its peak matches a spectral line of the input signal, to enhance that spectral line further. Also, a new algorithm for robust adaptation of the ALE is proposed.<<ETX>>","PeriodicalId":158681,"journal":{"name":"Proceedings of ICCS '94","volume":"9 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"24","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of ICCS '94","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICCS.1994.474155","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 24
Abstract
An IIR adaptive line enhancer (ALE), previously proposed by David, Stearns, Elliott and Etter (1983) is explored further. We propose a mechanism for controlling the bandwidth of the ALE, in an adaptive manner. The proposed mechanism increases the bandwidth of the ALE whenever its peak is not close to a spectral line of the input signal, to assure its fast convergence, and decreases the bandwidth of the ALE when its peak matches a spectral line of the input signal, to enhance that spectral line further. Also, a new algorithm for robust adaptation of the ALE is proposed.<>
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