| 前向散射能见度仪校准技术 |
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| 引用本文： | 朱乐坤,李林.前向散射能见度仪校准技术[J].气象科技,2013,41(6):1003-1007. |
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| 作者姓名： | 朱乐坤 李林 |
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| 作者单位： | 中国气象局气象探测中心，北京 100081;北京市气象局大气探测技术保障中心，北京 100089 |
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| 摘 要： | 基于前向散射能见度仪的工作原理、结构特点及使用环境，分析了前向散射能见度仪的测量误差来源、产生测量误差原因及误差模型，归纳了前向散射能见度仪出厂标定方法、标定参数及标定参数修正方法。为确保能见度观测数据具有准确性，并根据将来量值传递需要，在分析了能见度量值传递参数基础上，提出了前向散射能见度仪的实验室标定条件和方法，梳理了前向散射能见度仪现场光学装置校准、校准板校准及人工校准方法，为今后建立能见度量值传递体系和编写相关校准规范提供参考。
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| 关 键 词： | 前向散射能见度仪 测量误差 校准技术 |
| 收稿时间： | 2012/6/23 0:00:00 |
| 修稿时间： | 7/8/2013 12:00:00 AM |
Calibration Techniques for Forward Scattering Visibility Meters |
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| Zhu Lekun and Li Lin.Calibration Techniques for Forward Scattering Visibility Meters[J].Meteorological Science and Technology,2013,41(6):1003-1007. |
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| Authors: | Zhu Lekun and Li Lin |
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| Institution: | CMA Meteorological Observation Technology, Beijing 100081;Support Center for Meteorological Observing Technology, Beijing Meteorological Service, Beijing 100089 |
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| Abstract: | Based on the forward scatter visibility instrument working principle, the structural characteristics, operating environment, measurement error, causes for errors, and the error model of the forward scatter visibility instrument are analyzed. The factory calibration method, calibration parameters, and calibration parameters correction methods of the forward scatter visibility instrument are summed up, according to the needs of dissemination in the future, so to ensure the accuracy of visibility observation data. Based on the transmit parameter analysis of visibility values, the laboratory calibration method and calibration conditions of the forward scatter visibility instrument are put forwarded. The field optical device calibration, calibration plate, and manual calibration methods are discussed, to provide the references for the development of the future dissemination system and the establishment of the related calibration standards. |
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| Keywords: | forward scattering visibility meter measurement error calibration technique |
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