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Updated: Jul 23, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
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在垂直路径中用于大气激光通信的Cn2轮倒置的计算模型

Haifeng Yao1,2,3, Yuxi Cao2, Weihao Wang2

  • 1Key Laboratory of Biomimetic Robots and Systems, Ministry of Education, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China.

Sensors (Basel, Switzerland)
|July 14, 2023
PubMed
概括

一个新的模型通过分析大气相干长度 (r0) 和等平面角 (θ0) 来估计激光通信的大气流. 这种方法可以准确预测流形状,提高通道性能.

关键词:
大气连贯度的长度大气连贯度的长度.大气激光通信是大气激光通信.大气结构常数 大气结构常数

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相关概念视频

Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance.
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