{"title":"数字I - Q转换的频谱方法","authors":"K. Kongelbeck","doi":"10.1109/ACSSC.1997.680562","DOIUrl":null,"url":null,"abstract":"This paper develops a digital method of in phase (I) and quadrature (Q) conversion using techniques similar to those in the classical analog method. It uses a graphical method of representing the spectra of the processed signals that gives an intuitive feel for the process. It shows that while a sample rate of twice the bandwidth of the input signal is required, the computational complexity is reduced by a higher sample rate. The graphical technique gives insight into the filtering, IF frequency and sample rate requirements.","PeriodicalId":240431,"journal":{"name":"Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A spectral method of digital I Q conversion\",\"authors\":\"K. Kongelbeck\",\"doi\":\"10.1109/ACSSC.1997.680562\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper develops a digital method of in phase (I) and quadrature (Q) conversion using techniques similar to those in the classical analog method. It uses a graphical method of representing the spectra of the processed signals that gives an intuitive feel for the process. It shows that while a sample rate of twice the bandwidth of the input signal is required, the computational complexity is reduced by a higher sample rate. The graphical technique gives insight into the filtering, IF frequency and sample rate requirements.\",\"PeriodicalId\":240431,\"journal\":{\"name\":\"Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136)\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-11-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ACSSC.1997.680562\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ACSSC.1997.680562","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This paper develops a digital method of in phase (I) and quadrature (Q) conversion using techniques similar to those in the classical analog method. It uses a graphical method of representing the spectra of the processed signals that gives an intuitive feel for the process. It shows that while a sample rate of twice the bandwidth of the input signal is required, the computational complexity is reduced by a higher sample rate. The graphical technique gives insight into the filtering, IF frequency and sample rate requirements.
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