期刊文献+

降水粒子的成像探测技术及仪器初探 被引量:12

Preliminary Study of Raindrop Measurement Technology and Instrument by Imaging
下载PDF
导出
摘要 降水粒子识别在天气现象的自动观测、人工影响天气及天气雷达定标等领域有重要应用。针对降水粒子的形状测量,总结了两种成像探测仪器的原理、主要技术指标、功能及应用情况;提出一种基于线阵CCD的降水粒子狭缝摄像方法,分析了CCD对降水粒子的线扫描过程及粒子形状获取过程;构建了降水粒子测量的光学系统,成像系统采用远心光路以提高测量精度,照明系统采用克拉照明以获得均匀照明;最后分析了待解决的问题. Raindrop identification is important in automated weather observations,weather radar calibration and other related research areas.As to measurement of raindrop shape,two-dimensional video disdrometer's principle,main technical parameter,function and application are concluded firstly,then a precipitation slit photography based on linear CCD is put forwarded,the process of linear scanning and the reconstruction process of precipitation are analyzed,the measuring optical system with telecentric optical system as imaging system and Cora illumination as lighting system are designed,which can realize uniform lighting and high precision measurement,and prospective problems were analyzed at last.
出处 《大气与环境光学学报》 CAS 2011年第6期415-422,共8页 Journal of Atmospheric and Environmental Optics
关键词 成像 狭缝摄像 线阵扫描 降水粒子探测 imaging slit photographic linear array scanning raindrop detection
  • 引文网络
  • 相关文献

参考文献14

  • 1王青梅,杨艳玲,谢邦力.利用雨的光闪烁效应测量降水强度[J].量子电子学,1994,11(3):198-204. 被引量:12
  • 2Knollenberg R G. The optical array: an alterna- tive to scattering or extinction for airborne parti- cle size determination [J]. Journal of Applied Me- teorology, 1969, 9(1): 86-103.
  • 3Murakami M, Matsuo T. Development of the hy- drometeor videosonde [J]. Journal of Atmospheric and Oceanic Technology, 1990, 7(5): 613-620.
  • 4Schonhuber M, Lammer G, Randeu W L. One decade of imaging precipitation measurement by 2D-video-distrometer [J]. Adv. Geosci., 2007, 10: 85-90.
  • 5Kruger A, Krajewski W F. Two-dimensional video disdrometer: a description [J]. Journal of At- mospheric and Oceanic Technology, 2002, 19(5): 602-617.
  • 6Barthazy E, GSke S, Schefold R, et al. An op- tical array instrument for shape and fall velocity measurements of hydrometeors [J]. Journal of At- mospheric and Oceanic Technology, 2004, 21(9): 1400-1416.
  • 7Schonhuber M, Urban H E, Baptista J P V P, et al. Measurements of precipitation characteristics by a new distrometer [R]. 1994.
  • 8Gunn R, Kinzer G D. The terminal velocity of fall for water droplets in stagnant air [J]. J. Meteoro1., 1949, 8(4): 243-248.
  • 9Atlas D, Shrivastava R C, Sekhon R S. Doppler radar characteristics of precipitation at vertical in- cidence [J]. Rev. Geophys. Space Phys., 1973, 11(1): 1-35.
  • 10Brandes E A, Ikeda K, Zhang G F, et al. A statis- tical and physical description of hydromoteor dis- tributions in Colorado snowstorms using a video disdrometer [J]. Journal of Applied Meteorology and Climatology, 2007, 46(5): 634-650.

共引文献11

同被引文献108

引证文献12

二级引证文献72

相关主题

;
使用帮助 返回顶部