衛(wèi)星頻譜監(jiān)測(cè)對(duì)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(cè)問(wèn)題，結(jié)合理論推導(dǎo)分析和工程實(shí)踐經(jīng)驗(yàn)，闡述了接收系統(tǒng)對(duì)天線口徑以及線路損耗的要求，以期對(duì)行業(yè)內(nèi)衛(wèi)星接收系統(tǒng)的技術(shù)設(shè)計(jì)和項(xiàng)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(cè);天線口徑;線路損耗

doi：10.3969/J.ISSN.1672-7274.2022.08.002

中圖分類號(hào)：TN 927+.2                 文獻(xiàn)標(biāo)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(wú)線電通信方式，具有覆蓋范圍廣、傳輸距離遠(yuǎn)、容量大等特點(diǎn)，在我國(guó)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）