本文選題：光通信 + 背景光　； 參考：《激光與光電子學進展》2017年07期

【摘要】：為了分析天空背景光對空間激光通信系統(tǒng)的影響情況,同時為通信鏈路總體方案的設計提供相應的參考數(shù)據(jù),建立了天空背景光噪聲模型并進行理論分析和仿真研究。仿真結(jié)果表明:天空背景光會引起粗、精跟蹤單元所使用探測器的信噪比下降,導致跟蹤精度降低,增加了通信系統(tǒng)的誤碼率。根據(jù)系統(tǒng)的性能指標,合理地選擇通信波長,采用小口徑、窄帶寬的光學系統(tǒng),并選擇最優(yōu)的天頂角和通信時段,可有效降低天空背景光對系統(tǒng)性能的影響,以滿足通信鏈路的任務要求。
[Abstract]:In order to analyze the influence of sky background light on the space laser communication system and to provide the corresponding reference data for the design of the overall scheme of communication link, the noise model of sky background light is established, and the theoretical analysis and simulation research are carried out. The simulation results show that the sky background light will cause coarse signal to noise ratio of the detector used in the fine tracking unit, which will lead to the decrease of tracking accuracy and increase the bit error rate of the communication system. According to the performance index of the system, the influence of sky background light on the system performance can be effectively reduced by selecting the communication wavelength reasonably, adopting the optical system with small aperture and narrow bandwidth, and selecting the optimal zenith angle and communication period. To meet the task requirements of the communication link.
【作者單位】： 長春理工大學空間光電技術研究所;長春理工大學空地激光通信技術國防重點學科實驗室;
【基金】：國家自然科學基金(91438204)
【分類號】：TN929.1

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1 謝欣欣;天空背景光對地面空間激光通信系統(tǒng)性能的影響[D];長春理工大學;2016年

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本文編號：2083684