微脉冲米散射激光雷达系统的产品化研发及实验观测研究

J4 ›› 2013, Vol. 30 ›› Issue (1): 123-128.

• 激光雷达专辑 • 上一篇

微脉冲米散射激光雷达系统的产品化研发及实验观测研究

闫庆，华灯鑫，李仕春，艾宇

西安理工大学机械与精密仪器工程学院，陕西西安 710048

出版日期:2013-01-28 发布日期:2013-01-11
通讯作者: 华灯鑫（1964-）浙江省萧山市人，博士，教授，博导，从事激光雷达大气检测技术及光电检测技术研究。 E-mail:dengxinhua@xaut.edu.cn
作者简介:闫庆（1985-）内蒙古呼和浩特人，博士生，从事激光雷达精细探测气溶胶及边界层技术研究Email：yanqing_lidar@163.com
基金资助:
国家自然基金项目（41027004）教育部博士学科点专项基金（博导类）（20106118110005）

Observation and productization of the micro-pulsed Mie scattering lidar system

YAN Qing，HUA Deng-xin，LI Shi-chun，AI Yu

School of Mechanical & Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China

Published:2013-01-28 Online:2013-01-11

摘要/Abstract

摘要：

采用模拟探测技术研发了具有三维扫描功能的微脉冲米散射激光雷达产品，用于高密度气溶胶聚集地区的大气气溶胶光学特性及云的精确探测。详细的介绍了该系统的整体结构、系统控制和数据采集处理软件。利用该系统对西安地区气溶胶及城市边界层特性进行观测研究，实验结果表明：在激光脉冲能量为50μJ，望远镜接收孔径为254mm，信号平均时间40s及距离分辨率为7.5m的条件下，系统测量气溶胶的有效距离可达到白天5公里左右，夜晚15公里。系统可以为研究大气变化，特别是为研究颗粒污染物的产生，传输和扩散的特性提供科学的测量数据。

关键词: 微脉冲米散射激光雷达, 模拟探测, 气溶胶, 云, 城市边界层, 混合层厚度

Abstract:

A Micro-pulsed Mie scattering lidar system operated in analog detection mode was designed and built for routine observations of aerosol optical properties and cloud in the lower troposphere, particularly in the high intense aerosol gathered atmospheric area. The configuration of lidar and its design methods including the hardware and automatic control and data acquisition software were described in details. The experimental results in Xi’an area illustrate that the system can measure the atmospheric aerosols up to the range of near 5 km at daytime and up to 15 km at nighttime under the measurement conditions of laser energy of 50μJ, signal averaging time of 40 s, a receiving aperture 254 mm, range resolution of 7.5 m and analog detection model. It can provide scientific measurement data for studying the atmospheric environment change, particularly for resolving the particulate pollutant generation, transmission and diffusion characteristics.

Key words: micro-pulsed Mie scattering lidar, analog detection mode, atmospheric aerosol, cloudurban boundary layer, mixed-layer depth

闫庆，华灯鑫，李仕春，艾宇. 微脉冲米散射激光雷达系统的产品化研发及实验观测研究[J]. J4, 2013, 30(1): 123-128.

YAN Qing，HUA Deng-xin，LI Shi-chun，AI Yu. Observation and productization of the micro-pulsed Mie scattering lidar system[J]. J4, 2013, 30(1): 123-128.

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微脉冲米散射激光雷达系统的产品化研发及实验观测研究

Observation and productization of the micro-pulsed Mie scattering lidar system

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