激光高度计地面定标模拟系统设计

大气与环境光学学报 ›› 2017, Vol. 12 ›› Issue (4): 313-.

• 光学遥感 • 上一篇

激光高度计地面定标模拟系统设计

朱大振, 张运杰, 李新, 韦玮, 邱刚刚, 郭晴晴, 赵文贤

（中国科学院安徽光学精密机械研究所中国科学院通用光学定标与表征技术重点实验室，安徽合肥 230031）

收稿日期:2016-03-14 修回日期:2016-03-21 出版日期:2017-07-28 发布日期:2017-07-19
通讯作者: 张运杰（1965-），女，安徽合肥人，研究员，主要从事光电遥感探测设备研制方面的研究。 E-mail:zhangyj@aiofm.ac.cn
作者简介:朱大振（1989-），男，安徽淮北人，研究生，主要从事光电数据采集系统设计方面的研究。

Design of Ground Calibration Simulation System of Laser Altimeter

ZHU Dazhen, ZHANG Yunjie, LI Xin, WEI Wei, QIU Ganggang, GUO Qingqing , ZHAO Wenxian

( Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China )

Received:2016-03-14 Revised:2016-03-21 Published:2017-07-28 Online:2017-07-19

摘要/Abstract

摘要：

星载激光高度计广泛地用于多种地形地貌的科研分析，例如冰层和植被覆盖变化。针对星载激光高度计数据的定量化应用，研究了激光高度计的定标方法，并设计了激光高度计地面定标模拟系统加以验证。该系统包含探测器阵列和高精度脉冲计时系统两部分，用于定标星载激光高度计的对地指向角和时间戳。对定标系统的性能进行实验测试和软件仿真，结果显示：探测器能够探测平均能量3 nJ/cm2的光斑，探测范围为1~16 nJ/cm2，计时系统计时精度为1.25 ns。

关键词: 激光高度计, 地面定标, 足印定位, 高精度计时

Abstract:

The space-borne laser altimeter can be widely used in a variety of scientific research of topography, such as ice sheet and vegetation cover change. For quantitative application of the space-borne laser altimeter data, the ground-based laser altimeter calibration method was investigated and a laser altimeter ground-based simulation system was designed. The system consists of detector arrays and high precision timing system for the verification of laser altimeter pointing angle and timing. The performance of the system is tested in the laboratory and simulated by software. Results show that the detector can detect the spot of average energy 3 nJ/cm2, and detection range is 1 ~ 16 nJ/cm2 with timing accuracy of 1.25 ns.

Key words: laser altimeter, ground-based calibration, footprint location, accuracy of timing

中图分类号:

TP731

朱大振张运杰李新韦玮邱刚刚郭晴晴赵文贤. 激光高度计地面定标模拟系统设计[J]. 大气与环境光学学报, 2017, 12(4): 313-.

ZHU Da-Zhen, ZHANG Yun-Jie, LI Xin, WEI Wei, QIU Gang-Gang, GUO Qing-Qing, DIAO Wen-Xian. Design of Ground Calibration Simulation System of Laser Altimeter[J]. Journal of Atmospheric and Environmental Optics, 2017, 12(4): 313-.

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激光高度计地面定标模拟系统设计

Design of Ground Calibration Simulation System of Laser Altimeter

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