衛(wèi)星頻譜監(jiān)測對接收系統(tǒng)的要求研究

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摘要:文章針C/Ku頻段衛(wèi)星轉(zhuǎn)發(fā)器頻譜監(jiān)測問題,結(jié)合理論推導(dǎo)分析和工程實踐經(jīng)驗,闡述了接收系統(tǒng)對天線口徑以及線路損耗的要求,以期對行業(yè)內(nèi)衛(wèi)星接收系統(tǒng)的技術(shù)設(shè)計和項目建設(shè)提供一定的參考。
關(guān)鍵詞:衛(wèi)星通信;頻譜監(jiān)測;天線口徑;線路損耗
doi:10.3969/J.ISSN.1672-7274.2022.08.002
中圖分類號:TN 927+.2 文獻標示碼:A 文章編碼:1672-7274(2022)08-000-04
Research of the Requirements of Satellite Spectrum Monitoring for Receiving Systems
LIU Yanxin, LIU Feifei, XIN Decheng, TAN Ruizhe
(China Satellite Communications Co., Ltd., Beijing 100094, China)
Abstract: The thesis investigates the issue of satellite transponder spectrum monitoring in the C/Ku band, combines theoretical derivation analysis and practical experience, and describes the requirements of the receiving system for antenna aperture and line loss, with a view to providing some reference for the technical design and project construction of satellite receiving systems in the industry.
Key words: satellite communication; spectrum monitoring; antenna diameter; line loss
0 引言
衛(wèi)星通信是地球站之間利用衛(wèi)星作為中繼站的一種無線電通信方式,具有覆蓋范圍廣、傳輸距離遠、容量大等特點,在我國廣播、電視、數(shù)據(jù)通信等業(yè)務(wù)中得到廣泛應(yīng)用和蓬勃發(fā)展。(剩余5125字)