卫星通信链路上/下行及单/双通道计算方法研究  

Research on uplink/downlink and single/dual channel calculation method of satellite communication link

作　　者：金宇婷 邢斯瑞 孙伟 赵博 韩旭天 Jin Yuting;Xing Sirui;Sun Wei;Zhao Bo;Han Xutian(Chang Guang Satellite Technology Co.,Ltd.,Changchun 130000,China)

机构地区：[1]长光卫星技术有限公司,吉林长春130000

出　　处：《电子技术应用》2022年第7期74-77,共4页Application of Electronic Technique

摘　　要：针对卫星X波段通信系统链路设计需求,详细研究了传输过程中的各项损耗、干扰及系统指标和特性,提出了卫星通信系统的上、下行及单、双通道情况下的多种链路计算方法,并通过实际示例验证该计算模型的可行性。该计算方法模型可用于卫星通信系统的参数选择、信号质量链路能力的预测,对卫星通信系统的设计具有指导意义。According to the design requirements of satellite X-band communication system link,studying detailly various losses,interferences in the transmission process,system indexes and characteristics,a variety of link calculation methods for uplink/downlink,single/dual channels of satellite communication system are proposed,and the feasibility of the calculation model is verified by practical examples.The calculation method model can be used for parameter selection of satellite communication system,prediction of signal quality and link capability,and it has guiding significance for the design of satellite communication system.

关 键 词：卫星通信 链路计算 上/下行及单/双通道 载噪比 

分 类 号：TN83[电子电信—信息与通信工程]