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Earth-station upgrade from Ku-band to X-band 地面站从ku波段升级到x波段
2011 Military Communications and Information Systems Conference Pub Date : 2011-11-01 DOI: 10.1109/MilCIS.2011.6470389
C. Granet, I. Davis, J. Kot, G. Pope
{"title":"Earth-station upgrade from Ku-band to X-band","authors":"C. Granet, I. Davis, J. Kot, G. Pope","doi":"10.1109/MilCIS.2011.6470389","DOIUrl":"https://doi.org/10.1109/MilCIS.2011.6470389","url":null,"abstract":"The Defence Science and Technology Organisation (DSTO) recently had a requirement for its X-band capabilities to be upgraded. The solution was to re-band an existing Ku-band earth-station antenna for X-band operation. BAE Systems Australia and DSTO worked closely to meet a very tight delivery deadline. The initial requirement was for a receive capability but the new antenna feed system has been designed so that a transmit capability can be added when needed.","PeriodicalId":128822,"journal":{"name":"2011 Military Communications and Information Systems Conference","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131497402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Undersea electromagnetic networking 海底电磁联网
2011 Military Communications and Information Systems Conference Pub Date : 2011-11-01 DOI: 10.1109/MilCIS.2011.6470388
R. Dunbar, M. Frater, M. Ryan, G. Milford
{"title":"Undersea electromagnetic networking","authors":"R. Dunbar, M. Frater, M. Ryan, G. Milford","doi":"10.1109/MilCIS.2011.6470388","DOIUrl":"https://doi.org/10.1109/MilCIS.2011.6470388","url":null,"abstract":"The variation of through-water electromagnetic wave propagation parameters with frequency and conductivity is discussed together with wideband signal distortion caused by dispersion. Environmental electromagnetic noise and its limitation on the underwater communication range of various antennas are examined. Submarine communication and heuristic models of antenna types are presented, together with supporting experimental validation, and practical comment is made on potential range and bandwidth capabilities of generic antenna systems, and on current directions of research and development, including high frequency and dual mode subsea communications.","PeriodicalId":128822,"journal":{"name":"2011 Military Communications and Information Systems Conference","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127629942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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