低剖面机载卫星通信系统总体设计要点  

Main Points of Overall Design of Low Profile Airborne Satellite Communication System

作　　者：田捷力 TIAN Jie-li(North West Research Institute of Electronic and Equipment,Xi’an Shaanxi 710065,China;Shaanxi Key Lab.of Antenna and Control Technology,Xi’an Shaanxi 710065,China)

机构地区：[1]西北电子设备研究所,陕西西安710065 [2]陕西省天线与控制技术重点实验室,陕西西安710065

出　　处：《通信技术》2020年第9期2228-2232,共5页Communications Technology

摘　　要：随着机载卫星通信的广泛应用,不论是固定翼飞机还是旋翼飞机都有极大的应用需求,特别是在应急处置、运输和支援等方面的应急事件中发挥了关键作用。针对直升机的使用环境、旋翼特点及操控特性,介绍了低剖面机载卫星通信系统的组成和工作原理。以Ka频段为例,对系统总体设计中的几个要点进行设计,包括对通信系统进行了链路分析及余量设计,论述高动态下卫星天线跟踪技术及实现方法,给出流程图,并介绍了抗旋翼遮挡方法及系统安全保密设计方法,具有一定的工程应用参考价值。With the widespread application of airborne satellite communication system, both fixed-wing aircraft and rotary-wing aircraft have great application requirements, especially in emergency handling, transportation and support. In view of the helicopter’s operating environment, rotor characteristics and control characteristics, the composition and working principle of the low-profile airborne satellite communication system are introduced;With Ka frequency band as an example, several key points in the overall design of the system are designed, including link analysis and margin design of the communication system, satellite antenna tracking technology and implementation method under high dynamics are discussed, and the flow chart is given. And all this has certain engineering application reference value。

关 键 词：机载 卫星通信系统 总体设计 链路余量设计 天线跟踪 

分 类 号：TN927[电子电信—通信与信息系统]