大气湍流对星地激光通信影响的分析  

The Analysis of the Effect of Atmospheric Turbulence on Satellite-Ground Laser Communications

作　　者：都文和[1] 李林军[2] 

机构地区：[1]齐齐哈尔大学理学院,黑龙江齐齐哈尔161006 [2]黑龙江工程学院电子工程系,黑龙江哈尔滨150050

出　　处：《交通科技与经济》2008年第4期83-84,121,共3页Technology & Economy in Areas of Communications

摘　　要：阐述了激光通信相对于微波通信的优势在于其在卫星通信中的实用意义。分析了星地激光通信的发展现状,提出大气湍流限制星地激光通信系统的通信性能和激光链路的可靠性。针对星地激光通信的通信性能和瞄准捕获跟踪技术,综述了大气湍流对它们影响的研究现状。In this paper we firstly have specified meaning of laser communications in the satellite the main advantages of optical communications and the communications, and then briefly introduced the development of satellite-ground laser communications that includes the realized experiments. At last, we have summarized the effect of atmospheric turbulence on the communications performance and the technology of pointing, acquiring and tracking of the satellite-ground laser communications.

关 键 词：星地激光通信 大气湍流 瞄准捕获跟踪 

分 类 号：TN929.13[电子电信—通信与信息系统]