{"title":"阿姆斯特朗调制器","authors":"D. L. Jaffe","doi":"10.1109/JRPROC.1938.228196","DOIUrl":null,"url":null,"abstract":"When the side bands of an amplitude-modulated signal are shifted 90 degrees and then recombined with the carrier, a frequency-modulated carrier results. In this paper the order and magnitudes of the distortion components of such a frequency-modulated carrier are quantitatively determined assuming an idealized receiver. It is found that this type of distortion will be negligibly small after frequency multiplication to obtain the desired carrier frequency.","PeriodicalId":54574,"journal":{"name":"Proceedings of the Institute of Radio Engineers","volume":"26 1","pages":"475-481"},"PeriodicalIF":0.0000,"publicationDate":"1938-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1109/JRPROC.1938.228196","citationCount":"2","resultStr":"{\"title\":\"Armstrong's Frequency Modulator\",\"authors\":\"D. L. Jaffe\",\"doi\":\"10.1109/JRPROC.1938.228196\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"When the side bands of an amplitude-modulated signal are shifted 90 degrees and then recombined with the carrier, a frequency-modulated carrier results. In this paper the order and magnitudes of the distortion components of such a frequency-modulated carrier are quantitatively determined assuming an idealized receiver. It is found that this type of distortion will be negligibly small after frequency multiplication to obtain the desired carrier frequency.\",\"PeriodicalId\":54574,\"journal\":{\"name\":\"Proceedings of the Institute of Radio Engineers\",\"volume\":\"26 1\",\"pages\":\"475-481\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1938-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1109/JRPROC.1938.228196\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the Institute of Radio Engineers\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/JRPROC.1938.228196\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the Institute of Radio Engineers","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/JRPROC.1938.228196","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
When the side bands of an amplitude-modulated signal are shifted 90 degrees and then recombined with the carrier, a frequency-modulated carrier results. In this paper the order and magnitudes of the distortion components of such a frequency-modulated carrier are quantitatively determined assuming an idealized receiver. It is found that this type of distortion will be negligibly small after frequency multiplication to obtain the desired carrier frequency.
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