{"title":"直接转换收发器相控阵中杂散产物的解相关与抑制","authors":"B. James, C. Fulton","doi":"10.1109/MWSYM.2015.7166990","DOIUrl":null,"url":null,"abstract":"The decorrelation of spurious products among the elements in a phased array of direct conversion digital receivers is discussed. Intentional phase randomization of each local oscillator and post-distortion prior to digital beamforming are presented as methods of suppression. Results are shown using a representative system, further validating and extending the theoretical results beyond previous lab-bench superheterodyne results. Further limits to dynamic range in such a system are discussed.","PeriodicalId":6493,"journal":{"name":"2015 IEEE MTT-S International Microwave Symposium","volume":"166 1","pages":"1-4"},"PeriodicalIF":0.0000,"publicationDate":"2015-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"12","resultStr":"{\"title\":\"Decorrelation and mitigation of spurious products in phased arrays with direct conversion transceivers\",\"authors\":\"B. James, C. Fulton\",\"doi\":\"10.1109/MWSYM.2015.7166990\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The decorrelation of spurious products among the elements in a phased array of direct conversion digital receivers is discussed. Intentional phase randomization of each local oscillator and post-distortion prior to digital beamforming are presented as methods of suppression. Results are shown using a representative system, further validating and extending the theoretical results beyond previous lab-bench superheterodyne results. Further limits to dynamic range in such a system are discussed.\",\"PeriodicalId\":6493,\"journal\":{\"name\":\"2015 IEEE MTT-S International Microwave Symposium\",\"volume\":\"166 1\",\"pages\":\"1-4\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-05-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"12\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 IEEE MTT-S International Microwave Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MWSYM.2015.7166990\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 IEEE MTT-S International Microwave Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.2015.7166990","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Decorrelation and mitigation of spurious products in phased arrays with direct conversion transceivers
The decorrelation of spurious products among the elements in a phased array of direct conversion digital receivers is discussed. Intentional phase randomization of each local oscillator and post-distortion prior to digital beamforming are presented as methods of suppression. Results are shown using a representative system, further validating and extending the theoretical results beyond previous lab-bench superheterodyne results. Further limits to dynamic range in such a system are discussed.
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