强激光与粒子束, 2006, 18 (8): 1233, 网络出版: 2007-01-11   

星地激光链路中光束发散角与跟瞄误差的最佳比值

Optimum ratio of beam divergence angle to pointing error for satellite-ground laser link
作者单位
哈尔滨工业大学,可调谐激光技术国家重点实验室,哈尔滨,150001
摘要
实际星地光通信系统的发射光束为高斯型的情况下,跟瞄误差和大气闪烁是星地激光链路中的主要信道噪声源.在结合两者对系统性能影响的前提下,对星地激光通信链路进行了理论分析和模型建立.基于该模型对星地激光链路中光束发散角与跟瞄误差之比的优化选择问题进行了研究.结果表明:对于上行链路,在不同误码率需求下都存在一个光束发散角与跟瞄误差的最佳比值,使得上行链路余量最大;对于下行链路,在不同误码率要求下均存在一个光束发散角与跟瞄误差的最佳比值,使得下行发射光功率的需求最小.利用最优化方法和最小二乘法拟合,得到星地激光链路中光束发散角与跟瞄误差的最佳比值和系统误码率的经验公式.
Abstract
参考文献

[1] Araki K,Arimoto Y,Shikatani M,et al.Performance evaluation of laser communication equipment on board the ETS-VI satellite[C]//Proc of SPIE.1996,2699:52-60.

[2] Romba J,Sodnik Z,Reyes M,et al.ESA's bidirectional space-to-ground laser communication experiments[C]//Proc of SPIE.2004,5550:287-298.

[3] Toyoshima M,Yamakawa S,Yamawaki T,et al.Ground-to-satellite optical link between Japanese laser communications terminal and European geostationary satellite ARTEMIS[C]//Proc of SPIE.2004,5338:1-15.

[4] Kim I I,Riley B,Wong N M,et al.Lessons learned from the STRV-2 latellite-to-ground lasercom experiment[C]//Proc of SPIE.2001,4272:1-15.

[5] Vladimir V N,Rahul K.Performance of laser communication uplinks and downlinks in the presence of pointing errors and atmospheric distortions[C]//Proc of SPIE.2005,5712:37-45.

[6] Toyoshima M,Arki K.Far-field pattern measurement of an onboard laser transmitter by use of a space-to-ground optical link[J].Appl Opt,1998,37(10):1720-1729.

[7] Toyoshima M,Araki K.In-orbit measurements of short term attitude and vibrational environment on the Engineering Test Satellite VI using laser communication equipment[J].Opt Eng,2001,40(5):827-832.

[8] Shelton J D.Turbulence-induced scintillation on Gaussian-beam waves:theoretical predictions and observation from a laser-illuminated satellite[J].J Opt Sco Am A,1995,12(10):2172-2181.

[9] Andrews L C,Phillips R L,Yu P T.Optical scintillations and fade statistics for a satellite communication system[J].Appl Opt,1995,34(33):7744-7746.

[10] Andrews L C,Phillips R L.Laser beam propagation through random median[M].Bellingham:SPIE Optical Engineering Press,1998:73-78.

[11] Gagliardi R,Karp S.Optical telecommunications[M].Beijing:Publishing House of Electronics Industry,1998.

[12] Toyoshima M,Yamakawa S,Yamawaki T,et al.Long-term statistics of laser beam propagation in on optical ground-to-geostationary satellite communications link[J].IEEE Tansactions on Antennas and Propagation,2005,53(2):842-850.

[13] Beland R R.The infrared and electro-optical systems handbook[M].Bellingham:SPIE Optical Engineering Press,1993:221-224.

马晶, 潘锋, 谭立英. 星地激光链路中光束发散角与跟瞄误差的最佳比值[J]. 强激光与粒子束, 2006, 18(8): 1233. 马晶, 潘锋, 谭立英. Optimum ratio of beam divergence angle to pointing error for satellite-ground laser link[J]. High Power Laser and Particle Beams, 2006, 18(8): 1233.

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