{"title":"基于光学处理器的相控阵天线波束形成","authors":"L. Anderson, F. Boldissar, D. Chang","doi":"10.2514/6.1992-1979","DOIUrl":null,"url":null,"abstract":"The feasibility of optical processor based beamforming for microwave array antennas is investigated. The primary focus is on systems utilizing the 20/30 GHz communications band and a transmit configuration exclusively to serve this band. A mathematical model is developed for computation of candidate design configurations. The model is capable of determination of the necessary design parameters required for spatial aspects of the microwave 'footprint' (beam) formation. Computed example beams transmitted from geosynchronous orbit are presented to demonstrate network capabilities. The effect of the processor on the output microwave signal to noise quality at the antenna interface is also considered.","PeriodicalId":430092,"journal":{"name":"LEOS 1991 Summer Topical Meetings on Spaceborne Photonics: Aerospace Applications of Lasers and Electro-Optics, Optical Millimeter-Wave Interactions: Measurements, Generation, Transmission and Control","volume":"27 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Phased array antenna beamforming using optical processor\",\"authors\":\"L. Anderson, F. Boldissar, D. Chang\",\"doi\":\"10.2514/6.1992-1979\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The feasibility of optical processor based beamforming for microwave array antennas is investigated. The primary focus is on systems utilizing the 20/30 GHz communications band and a transmit configuration exclusively to serve this band. A mathematical model is developed for computation of candidate design configurations. The model is capable of determination of the necessary design parameters required for spatial aspects of the microwave 'footprint' (beam) formation. Computed example beams transmitted from geosynchronous orbit are presented to demonstrate network capabilities. The effect of the processor on the output microwave signal to noise quality at the antenna interface is also considered.\",\"PeriodicalId\":430092,\"journal\":{\"name\":\"LEOS 1991 Summer Topical Meetings on Spaceborne Photonics: Aerospace Applications of Lasers and Electro-Optics, Optical Millimeter-Wave Interactions: Measurements, Generation, Transmission and Control\",\"volume\":\"27 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-07-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"LEOS 1991 Summer Topical Meetings on Spaceborne Photonics: Aerospace Applications of Lasers and Electro-Optics, Optical Millimeter-Wave Interactions: Measurements, Generation, Transmission and Control\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2514/6.1992-1979\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"LEOS 1991 Summer Topical Meetings on Spaceborne Photonics: Aerospace Applications of Lasers and Electro-Optics, Optical Millimeter-Wave Interactions: Measurements, Generation, Transmission and Control","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2514/6.1992-1979","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Phased array antenna beamforming using optical processor
The feasibility of optical processor based beamforming for microwave array antennas is investigated. The primary focus is on systems utilizing the 20/30 GHz communications band and a transmit configuration exclusively to serve this band. A mathematical model is developed for computation of candidate design configurations. The model is capable of determination of the necessary design parameters required for spatial aspects of the microwave 'footprint' (beam) formation. Computed example beams transmitted from geosynchronous orbit are presented to demonstrate network capabilities. The effect of the processor on the output microwave signal to noise quality at the antenna interface is also considered.
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