基于小卫星的地空超视距通信系统设计与仿真  

Design and Effect Simulation on Small Satellite Remote Ground-air Communication System

作　　者：赵益姝[1] 吴昊[1] 陈树新[1] 霍辰杰[1] 张衡阳[1] 

机构地区：[1]空军工程大学信息与导航学院,陕西西安710077

出　　处：《空军工程大学学报（自然科学版）》2012年第4期70-74,共5页Journal of Air Force Engineering University(Natural Science Edition)

基　　金：航空科学基金资助项目(20095596016);空军工程大学信息与导航学院科研创新基金资助项目(DYCX1108)

摘　　要：远程地空通信的超视距通信是一个亟需解决的难题,为此提出一种以分布在多个椭圆轨道面的小卫星为中继的地空超视距通信方案。对小卫星的轨道参数进行设计,证明了用4颗中轨小卫星可以实现对特定区域99.41%的视距覆盖。研究了小卫星地空超视距通信系统的工作原理和链路传播特性,并在此基础上设计了通信链路的收发参数。仿真结果表明:用该系统进行地空超视距通信不受距离的限制,具有通信效果好、抗毁能力强、成本低等优点。To solve the problem of out - of - sight communication in remote ground - air communication, an out - of - sight air - ground communication scheme is proposed, which is relayed by multi - elliptical orbits small satel-lites. At first, orbit parameters of small satellites are designed and average coverage rate of target area is certified 99.41% by using medium ellipse orbit constellation which consists of 4 satellites. Then work principle and link propagate characteristic of out - of - sight air - ground communication system is studied and 1ink transceiver param- eters are designed on that basis. The simulation results show that the use of the proposed system in communication is without distance limit, and the system has the advantages of good communication effect, good anti - destroyed performance and low cost.

关 键 词：地空通信 区域覆盖 椭圆轨道 通信覆盖 STK 

分 类 号：TN927[电子电信—通信与信息系统]