| 一种基于捕获跟踪策略的光束发散角分析方法 |
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| 引用本文： | 唐涛,熊辉,魏急波. 一种基于捕获跟踪策略的光束发散角分析方法[J]. 电光与控制, 2002, 9(3): 30-33 |
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| 作者姓名： | 唐涛 熊辉 魏急波 |
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| 作者单位： | 国防科技大学电子科学与工程学院,湖南长沙,410073 |
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| 摘 要： | 根据捕获跟踪策略和激光检测理论，给出了直接探测情况下最佳光束发散角的表示式。利用这一表示式，分析了背景光功率和探测器暗电流效光功率对系统性能的影响，为大气激光通信系统中激光光束发散角的设计提供了参考依据。
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| 关 键 词： | 光束发散角 捕获跟踪策略 直接探测 激光通信 |
| 文章编号： | 1671-637X(2002)03-0030-04 |
Analytical method for beam divergence angle based on acquisition and tracking strategy |
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| TANG Tao,XIONG Hui,WEI Ji bo. Analytical method for beam divergence angle based on acquisition and tracking strategy[J]. Electronics Optics & Control, 2002, 9(3): 30-33 |
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| Authors: | TANG Tao XIONG Hui WEI Ji bo |
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| Abstract: | According to acquisition and tracking strategy and laser detection theory, an expression of the best angle of beam divergence under direct detection is provided. With this expression, the system performance influenced by the power of background noise and noise equivalent power of dark current is analyzed, which supplies a reference to the choice of the angle of beam divergence in atmosphere optical communication system. |
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| Keywords: | angle of beam divergence acquisition and tracking strategy direct detection |
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