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云层厚度对蓝绿激光通信性能的影响分析
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Journal Article
云层厚度对蓝绿激光通信性能的影响分析
2020
Overview
针对机载激光发射器位于云层上方或云层中央时，云层的存在会降低激光通信性能的问题，仿真分析了不同类型的云层对激光能量衰减、信噪比、最大码元传输速率与误码率的影响。得到结论：云的存在主要造成激光能量衰减，影响最大传输速率与误码率，但对信噪比影响较小。链路余量大于18.9 dB的通信系统，链路上允许存在4 km的云层。云层对最大通信速率与误码率的影响主要是时间扩展造成码间串扰。卷云对通信性能几乎无影响；积云对通信性能的影响较大；层云、层积云和积雨云对通信性能的影响更大，但三种云的差异很小，可不作区分；高层云和雨层云对通信性能影响最大，其中雨层云的影响比高层云更大。
Publisher
Editorial Office of Opto-Electronic Advances,海军航空大学,山东烟台,264001
Subject
