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基于光阻原理的降水现象测量系统研制

Development of Precipitation Measurement System Based on Light Blocking Principle

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摘要

降水是气象观测的常规项目,是研究全球水热循环和气候变化的重要参数。实现降水现象自动观测是我国气象探测领域未来发展规划的一项重要内容。 介绍了一种基于光阻原理的降水现象测量系统,设计了激光对射式光学测量结构,实现对降水粒子遮光信号的精确捕获;研制了基于相关原理的微弱信号 检测系统,保证粒子速度、粒径等信息的准确测量;在数据信号处理上,采用数据平滑算法降低了系统噪声。研制的系统能够准确完成雨 滴谱分布、降水量、降水类型的测量,并且与国外同类仪器进行了观测比对,数据具有较好的一致性,能满足对降水现象自动观测的要求。

Abstract

Precipitation is a regular project of meteorological observation, which is an important parameter for studying global hydrothermal cycle and climate change. Automatic observation of precipitation is an important part of the future development of meteorology in China. So a new-developed precipitation measurement system based on light blocking principle is introduced. Opposite-type laser optical system is designed and the shading signal of the precipitation particles can be captured correctly. The weak signal detection system based on correlation principle is developed to measure the information of particle velocity and size. The data smoothing algorithm is adopted to reduce the system noise in data signal processing. The system can accurately measure the distribution of raindrop distribution, precipitation amount, precipitation type. Compared with data of other similar instruments, the data of the system has good consistency and can meet the requirement of automatic observation of precipitation.

Newport宣传-MKS新实验室计划
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中图分类号:P426

DOI:10.3969/j.issn.1673-6141.2017.04.003

所属栏目:大气光学

基金项目:Supported by Science and Technology Service Network Initiative of the Chinese Academy of Science(中国科学院科技服务网络计划区域重点项目, KFJ-STS-QYZD-022), Anhui Natural Science Foundation Project(安徽省自然科学基金项目, 1408085MKL91), Wanjiang Center for Development of Emerging Industrial Technology of the Chinese Academy of Science Enterprise cooperation projects(中科院皖江新兴产业技术发展中心企业合作项目, CYXX-15-01)

收稿日期:2016-12-23

修改稿日期:2017-01-16

网络出版日期:--

作者单位    点击查看

程寅:中国科学院安徽光学精密机械研究所中国科学院环境光学与技术重点实验室, 安徽 合肥 230031
刘达新:中国气象局气象探测中心,北京 100081
刘建国:中国科学院安徽光学精密机械研究所中国科学院环境光学与技术重点实验室, 安徽 合肥 230031
桂华侨:中国科学院安徽光学精密机械研究所中国科学院环境光学与技术重点实验室, 安徽 合肥 230031
陆亦怀:中国科学院安徽光学精密机械研究所中国科学院环境光学与技术重点实验室, 安徽 合肥 230031
解乐:中国科学院安徽光学精密机械研究所中国科学院环境光学与技术重点实验室, 安徽 合肥 230031中国科学技术大学, 安徽 合肥 230026

联系人作者:刘达新(ldxaoc@cma.gov.cn)

备注:程寅(1972-),男,副研究员,主要从事环境监测中光电技术方面的研究。

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引用该论文

CHENG Yin,LIU Daxin,LIU Jianguo,GUI Huaqiao,LU Yihuai,XIE Le. Development of Precipitation Measurement System Based on Light Blocking Principle[J]. Journal of Atmospheric and Environmental Optics, 2017, 12(4): 260-268

程寅,刘达新,刘建国,桂华侨,陆亦怀,解乐. 基于光阻原理的降水现象测量系统研制[J]. 大气与环境光学学报, 2017, 12(4): 260-268

被引情况

【1】石朝毅,高先和,卢军,谷艳红. 基于m序列调制技术的叶绿素荧光检测系统设计. 大气与环境光学学报, 2018, 13(2): 97-103

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