基于光电二极管阵列的成像测量系统设计及其应用

J4 ›› 2015, Vol. 32 ›› Issue (5): 620-626.

基于光电二极管阵列的成像测量系统设计及其应用

黄敏松,雷恒池,陈家田,张晓庆

1. 中国科学院大气物理研究所云降水物理与强风暴重点实验室，北京 100029；
2. 中国科学院大学，北京 100049

收稿日期:2014-10-28 修回日期:2014-11-24 出版日期:2015-09-28 发布日期:2015-09-28
通讯作者: 黄敏松(1983-)，福建人，工程师，主要从事信号检测与处理的研究。 E-mail:mission2006@126.com
基金资助:
科技部行业专项（气象）基金资助项目（GYHY200806015）, 国家重大科研仪器设备研制专项(41327803)

Application and Design for an Imaging Measurement System Based on Photodiode Array

HUANG Minsong, LEI Hengchi, CHEN Jiatian, ZHANG Xiaoqing

1. Key Laboratory of Cloud-Precipitation Physics and Severe Storms, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029;
2.University of the Chinese Academy of Sciences, Beijing 100049

Received:2014-10-28 Revised:2014-11-24 Published:2015-09-28 Online:2015-09-28

摘要/Abstract

摘要：

为了实现在机载条件下对降水粒子进行成像测量，设计了一种基于光电二极管阵列的成像测量系统。该测量系统由光学系统、硬件系统和软件系统三部分组成，其中光学系统可实现激光光束整形和对粒子进行成像；硬件系统则由前端信号调理电路和FPGA控制电路两部分组成，主要实现粒子图像信号的采集与处理；软件系统则包含下位机软件系统和上位机软件系统两部分，可实现对粒子图像的压缩、显示和存储。室内标定实验结果表明，系统探测的分辨率为60um,可探测粒径范围是60um～7400um；外场飞行试验表明，所设计的系统可满足在机载飞行条件下对降水粒子进行成像测量的要求。

关键词: 激光技术, 成像测量系统, 光电二极管阵列, 降水粒子, 机载仪器

Abstract:

To realize the precipitation particle imaging and measurement in the airborne condition, an imaging and measurement system was developed based on photodiode array. The measurement system is composed of an optical system, a hardware system and a software system, in which the optical system can shape the laser beam and image the particles; the hardware system is composed of a front-end signal conditioning circuit and an FPGA controlling circuit, and mainly function in the particle image acquisition and signal processing; the software system contains two parts in FPGA and PC respectively, and realize the particle image compression, display and storage. Calibration in laboratory shows that the system’s measurement range is in 60-7400um, with a resolution in 60um. Field campaign result indicates that the system can meet the requirement of precipitation particle imaging and measurement under the flying condition.

Key words: laser technology, imaging measurement system, photodiode array, precipitation particles, airborne probe

中图分类号:

V248.1

黄敏松雷恒池陈家田张晓庆. 基于光电二极管阵列的成像测量系统设计及其应用[J]. J4, 2015, 32(5): 620-626.

HUANG Minsong, LEI Hengchi, CHEN Jiatian, ZHANG Xiaoqing. Application and Design for an Imaging Measurement System Based on Photodiode Array[J]. J4, 2015, 32(5): 620-626.

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