{"title":"相位噪声","authors":"S. trong, Clean","doi":"10.1002/9781119859390.ch20","DOIUrl":null,"url":null,"abstract":"An oscillator can be considered as a filtered noise generator and therefore noise will surround the carrier, equivalent to random FM and AM modulations on the ideal RF sine wave this additional noise is known as Phase Noise. If we consider the addition of a noise voltage to a sinusoidal voltage, we must take into account the phase relationship. A phasor diagram below can be used to explain the effect.","PeriodicalId":191702,"journal":{"name":"A Guide to Noise in Microwave Circuits","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Phase Noise\",\"authors\":\"S. trong, Clean\",\"doi\":\"10.1002/9781119859390.ch20\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An oscillator can be considered as a filtered noise generator and therefore noise will surround the carrier, equivalent to random FM and AM modulations on the ideal RF sine wave this additional noise is known as Phase Noise. If we consider the addition of a noise voltage to a sinusoidal voltage, we must take into account the phase relationship. A phasor diagram below can be used to explain the effect.\",\"PeriodicalId\":191702,\"journal\":{\"name\":\"A Guide to Noise in Microwave Circuits\",\"volume\":\"19 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-11-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"A Guide to Noise in Microwave Circuits\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1002/9781119859390.ch20\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"A Guide to Noise in Microwave Circuits","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/9781119859390.ch20","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An oscillator can be considered as a filtered noise generator and therefore noise will surround the carrier, equivalent to random FM and AM modulations on the ideal RF sine wave this additional noise is known as Phase Noise. If we consider the addition of a noise voltage to a sinusoidal voltage, we must take into account the phase relationship. A phasor diagram below can be used to explain the effect.
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