机载激光云粒子成像仪研制与校准研究

曾星; 伍波; 史晓丁; 樊冬; 吕明爱; 张国娟; 李少波; 周昕

doi:10.7510/jgjs.issn.1001-3806.2015.06.014

机载激光云粒子成像仪研制与校准研究

1.
四川大学电子信息学院, 成都 610064;
2.
西南技术物理研究所, 成都 610041

作者简介: 曾星(1989-),女,硕士研究生,现主要从事激光光学的研究..

通讯作者: 周昕, zhoxn985@soho.com

基金项目:
国家自然科学基金资助项目(2011YQ110059)
中图分类号: TH741

Study on airborne laser cloud particle imaging probe and its calibration

1.
College of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China;
2.
Southwest Institute of Technical Physics, Chengdu 610041, China

Corresponding author: ZHOU Xin, zhoxn985@soho.com

CLC number: TH741

摘要: 为了实现对25m~1550m范围云粒子的测量和成像,采用了光学成像方法,基于准直光束照射的云粒子在64元探测器上投影切片组合的原理,研制了机载激光云粒子成像仪.介绍了激光云粒子成像仪各组成部分的功能,进行了探测单元量化标准、数据获取与处理方法、以及影响云粒子成像准确性的因素等方面的分析.建立了粒子尺寸校准装置,并采用7种规格的标准圆点进行了校准实验.结果表明,机载激光云粒子成像仪可探测到云粒子并成像,实现了粒子的尺寸测量和2维图像显示.
- 激光技术 /
- 光学成像技术 /
- 云粒子成像 /
- 并行探测器 /
- 校准装置
Abstract: In order to measure and image cloud droplets ranging from 25m to 1550m, an airborne cloud particle imaging probe was designed based on the established optical imaging techniques. The images of particles passing through a collimated laser beam were projected onto a linear array of 64-element photo detectors and were reconstructed from the individual image slices. The function of each component and the quantitative standard of each detection unit were introduced. The method of data acquisition and the factors affecting the accuracy of cloud particle imaging were discussed. A calibration setup of particle size was constructed where seven kinds of standard dots were used to calibrate cloud imaging probe. The calibration experiment results show that cloud imaging probe can accurately achieve particle size distribution and display 2-D images. The airborne experiment data shows that cloud imaging probe is able to detect cloud droplets and acquire their images.
- laser technique /
- optical imaging technique /
- cloud particle imaging /
- parallel detector /
- calibration setup

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机载激光云粒子成像仪研制与校准研究

作者简介: 曾星(1989-),女,硕士研究生,现主要从事激光光学的研究..

通讯作者: 周昕, zhoxn985@soho.com

Study on airborne laser cloud particle imaging probe and its calibration

Corresponding author: ZHOU Xin, zhoxn985@soho.com

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机载激光云粒子成像仪研制与校准研究

通讯作者: 周昕, zhoxn985@soho.com

作者简介: 曾星(1989-),女,硕士研究生,现主要从事激光光学的研究.

English Abstract

Study on airborne laser cloud particle imaging probe and its calibration

Corresponding author: ZHOU Xin, zhoxn985@soho.com

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机载激光云粒子成像仪研制与校准研究

作者简介: 曾星(1989-),女,硕士研究生,现主要从事激光光学的研究..

通讯作者: 周昕, zhoxn985@soho.com

Study on airborne laser cloud particle imaging probe and its calibration

Corresponding author: ZHOU Xin, zhoxn985@soho.com

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机载激光云粒子成像仪研制与校准研究

通讯作者: 周昕, zhoxn985@soho.com

作者简介: 曾星(1989-),女,硕士研究生,现主要从事激光光学的研究.

English Abstract

Study on airborne laser cloud particle imaging probe and its calibration

Corresponding author: ZHOU Xin, zhoxn985@soho.com

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目录