{"title":"零中频接收机直流偏置消除分析","authors":"C.D. Lee","doi":"10.1109/APCC.2003.1274443","DOIUrl":null,"url":null,"abstract":"The most serious problem faced in zero-intermediate frequency (IF) receiver is DC-offset. DC-offset is caused by leakage of the local oscillator (LO) into the down converter input. The receiver performance is significantly degraded due to DC-offset. This paper illustrate, analyze, simulate and compare two digital signal processing (DSP) algorithms which remove this residual DC-offset. In the analysis, the settling time, maximum fluctuation and variance of the two DC estimators were derived.","PeriodicalId":277507,"journal":{"name":"9th Asia-Pacific Conference on Communications (IEEE Cat. No.03EX732)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"DC offset elimination analysis in zero-IF receiver\",\"authors\":\"C.D. Lee\",\"doi\":\"10.1109/APCC.2003.1274443\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The most serious problem faced in zero-intermediate frequency (IF) receiver is DC-offset. DC-offset is caused by leakage of the local oscillator (LO) into the down converter input. The receiver performance is significantly degraded due to DC-offset. This paper illustrate, analyze, simulate and compare two digital signal processing (DSP) algorithms which remove this residual DC-offset. In the analysis, the settling time, maximum fluctuation and variance of the two DC estimators were derived.\",\"PeriodicalId\":277507,\"journal\":{\"name\":\"9th Asia-Pacific Conference on Communications (IEEE Cat. No.03EX732)\",\"volume\":\"12 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2003-09-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"9th Asia-Pacific Conference on Communications (IEEE Cat. No.03EX732)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APCC.2003.1274443\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"9th Asia-Pacific Conference on Communications (IEEE Cat. No.03EX732)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APCC.2003.1274443","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
DC offset elimination analysis in zero-IF receiver
The most serious problem faced in zero-intermediate frequency (IF) receiver is DC-offset. DC-offset is caused by leakage of the local oscillator (LO) into the down converter input. The receiver performance is significantly degraded due to DC-offset. This paper illustrate, analyze, simulate and compare two digital signal processing (DSP) algorithms which remove this residual DC-offset. In the analysis, the settling time, maximum fluctuation and variance of the two DC estimators were derived.
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