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引用本文：

何民,许斌,钟杰.星载AIS接收链路设计与仿真[J].电讯技术，2010，50（9）： - . [点击复制]
HE Min,XU Bin,ZHONG Jie.Design and Simulation of LEO Satellite based AIS Receiver Link[J].，2010，50（9）： - . [点击复制]

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星载AIS接收链路设计与仿真
何民,许斌,钟杰
0 字体:加大+\|默认\|缩小-
(海军装备部重庆局，成都 610036;海军装备部电子部，北京 100841;中国西南电子技术研究所，成都 610036)

摘要:

分析和论证了自动识别系统(AIS)在低轨卫星中应用所涉及的相关问题，阐述了AIS系统特征，理论分析了低轨卫星与目标船舶的作用距离、低轨卫星的运行周期、多普勒频移对星载AI S通信的影响，并对星载接收链路进行了预计，给出了星载AIS接收机的实现方案。最后，对相关理论结果进行了仿真。

关键词: 船舶自动识别系统低轨卫星时隙接收链路

DOI：

基金项目:

Design and Simulation of LEO Satellite based AIS Receiver Link

HE Min,XU Bin,ZHONG Jie

(Navy Armament Bureau of Chongqing,Chengdu 610036, China;Electronic Bureau of Navy Armament，Beijing 100841，China;Southwest China Institute of Electronic Technology, Chengdu 610036, China)

Abstract:

The feasibility analysis and demonstration of a LEO(Low Earth Orbit) s atellitebased AIS (Automatic Identification System) are presented. The charact eristics of AIS is discussed,the effect of the distance between the ship and the satellite,the period of the satellite′s orbit and the Doppler frequency shift between satellite and ship on the satellitebased AIS communication is theoreti cally analysed,the link budget with signal strength compared to AIS receiver sen sitivity is given,and the design of LEO satellitebased AIS receiver is provide d.Finally,the computerbased simulations are performed in Matlab.

Key words: automatic identification system (AIS) LEO satellite slot receiver link