| 前向散射式能见度仪测试方法研究 |
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| 引用本文： | 王敏,方海涛,张世国,汪玮,王毛翠,褚进华,方欣.前向散射式能见度仪测试方法研究[J].气象科技,2021,49(1):12-17. |
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| 作者姓名： | 王敏 方海涛 张世国 汪玮 王毛翠 褚进华 方欣 |
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| 作者单位： | 安徽省大气探测技术保障中心，合肥 230031;中国气象局上海物资管理处，上海 200050;中国科学技术大学地球和空间科学学院，合肥230026 |
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| 基金项目： | 安徽省中央引导地方科技发展专项《全固态公路交通气象观测系统开发与示范》（YDZX20183400004206）、气象行业标准《前向散射式能见度仪测试方法》（2016年立项）资助 |
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| 摘 要： | 针对气象行业前向散射式能见度仪检测标准缺失现状,开展了前向散射式能见度仪室内测试方法研究。文中介绍了前向散射式能见度仪的工作原理,阐述了测量标准设备的组成和技术要求,详细论述了前向散射式能见度仪的测试项目和测试方法,展示了多台前向散射式能见度仪室内实测结果。研究表明:利用试验舱模拟能见度进行测量范围和示值误差测试具有可行性,测量标准器可选择透射仪;响应时间可通过放置散射板或遮光板产生突变信号完成测试。
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| 关 键 词： | 前向散射式能见度仪 透射仪 测试方法 示值误差 |
| 收稿时间： | 2020/1/17 0:00:00 |
| 修稿时间： | 2020/11/23 0:00:00 |
A Method for Testing Forward Scattering Visibility Meters |
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| WANG Min,FANG Haitao,ZHANG Shiguo,WANG Wei,WANG Maocui,CHU Jinhu,FANG Xin.A Method for Testing Forward Scattering Visibility Meters[J].Meteorological Science and Technology,2021,49(1):12-17. |
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| Authors: | WANG Min FANG Haitao ZHANG Shiguo WANG Wei WANG Maocui CHU Jinhu FANG Xin |
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| Institution: | Anhui Atmospheric Observation and Technical Support Center, Hefei 230031;CMA Shanghai Material Management Office, Shanghai 20050; School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026 |
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| Abstract: | In view of the lack of detection standards for forward scattering visibility meters in meteorological industry, the laboratory test method of forward scattering visibility meters is studied. In this paper, the working principles of the forward scattering visibility meter is introduced; the composition and technical requirements of the measuring standard equipment are expounded; the testing items and testing methods of forward scattering visibility meters are described in detail; and the indoor measured results of several forward scattering visibility meters are presented. The results show that it is feasible to measure the measurement range and indication error by simulating the visibility in the test chamber, and the transmission instrument can be selected as the measuring standard. The response time can be measured by placing a scattering plate or a mask to generate a sudden signal. |
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| Keywords: | forward scattering visibility meter transmission device test method error value |
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