光路准直对长基线透射式能见度仪测量的影响

周树道, 马忠良

周树道, 马忠良. 光路准直对长基线透射式能见度仪测量的影响[J]. 应用光学, 2016, 37(1): 87-90. DOI: 10.5768/JAO201637.0103003
引用本文: 周树道, 马忠良. 光路准直对长基线透射式能见度仪测量的影响[J]. 应用光学, 2016, 37(1): 87-90. DOI: 10.5768/JAO201637.0103003
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Zhou Shu-dao, Ma Zhong-liang. Influence of optical path collimation on measurement of long baseline transmittance meter[J]. Journal of Applied Optics, 2016, 37(1): 87-90. DOI: 10.5768/JAO201637.0103003
Citation: Zhou Shu-dao, Ma Zhong-liang. Influence of optical path collimation on measurement of long baseline transmittance meter[J]. Journal of Applied Optics, 2016, 37(1): 87-90. DOI: 10.5768/JAO201637.0103003
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光路准直对长基线透射式能见度仪测量的影响

  • 解放军理工大学 气象海洋学院,江苏 南京 210044

基金项目: 

国家自然科学基金(4131370)

详细信息
    通讯作者:

    周树道（1964-），男，浙江宁波人，硕士，教授，主要从事信号与信息处理研究工作。 Email：zhousd70131@sina.com

  • 中图分类号: TN12；P427.2

Influence of optical path collimation on measurement of long baseline transmittance meter

  • College of Meteorology and Oceanography ,PLA University of Science and Technology ,Nanjing 210044 ,China

摘要

    摘要
  • 摘要: 基于长基线透射式能见度仪分析了影响透射仪收发两端探测光路准直的因素。从透射仪的测量原理出发，阐述了探测光路准直通过影响接收端接收光强进而影响透射仪探测精度的机制。仿真研究了透射仪收发两端探测光路准直出现偏差对接收端接收光强的影响。研究结果表明，在一定大气能见度条件下，透射仪的测量误差与接收端接收光强的测量误差成线性关系。透射仪收发两端的对准状态对透射仪接收端接收光强具有重要影响，发射端姿态角每变化0.01，接收端接收光功率变化0.02 mW，发射端姿态角变化会明显降低透射仪接收端接收光强，增大接收端接收光强的测量误差，对能见度的测量精度影响较大。
    Abstract: The influencing factors on optical path collimation between transmitter and receiver were analyzed based on long baseline transmittance meter. Aiming at the measurement principle of transmittance meter,the mechanism of optical path collimation influencing transmittance meters measurement precision was presented,which was realized by influencing the receiving intensity of receiver. And the impact of the deviation of transmitting/receiving end optical path collimation on the receiving intensity of receiving end was studied by simulation. The results show that there is a linear relationship between the receiving intensity error and the transmittance meters measurement error,and the transmitting/receiving end collimation has a great influence on the receiving intensity of receiving end, the receiving intensity of receiver can change by 0.02 mW when the transmitter attitude angle changes by 0.01. The change of transmitter attitude angle can decrease the receiving intensity obviously and increase the measurement error, therefore, the probe optical path collimation is an important influencing factor on the visibility measurement.
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