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星载钠荧光多普勒激光雷达性能分析
Alternative TitlePerformance Analysis of Spaceborne Sodium Fluorescence Doppler Lidar
闫召爱; 胡雄; 郭商勇; 程永强; 郭文杰; 潘艺升
Department空间环境部
Source Publication雷达学报
2015
Volume4Issue:1Pages:99-106
ISSN2095-283X
Language中文
Keyword激光雷达 中高层大气 多普勒 钠荧光
Abstract星载钠荧光多普勒激光雷达可以用来测量全球的中间层顶及低热层区域的大气风场、温度及钠原子数密度等。为了从理论上分析星载钠荧光多普勒激光雷达的可行性,该文依据激光雷达方程,对星载钠荧光多普勒激光雷达的回波信号强度以及大气参数测量精度进行仿真计算。分析结果显示在使用400 km轨道高度,30.0°观测角度,9.0 W激光发射功率,1.0 m接收望远镜口径,2.0 km垂直距离分辨率,30.0 s信号累积时间情况下,可获得0.8 m/s视线风速测量精度,1.5 m/s水平风速测量精度和2.5 K温度测量精度。
Other AbstractThe spaceborne sodium Doppler lidar can be developed to measure global wind, temperature and sodium number density in the mesopause and lower thermosphere region. In order to analyze the feasibility of the lidar, simulation calculations about backscattering signals and measurement accuracy have been done in this paper. The analyzed result shows that the line-of-sight wind accuracy, horizontal wind accuracy and temperature accuracy are 0.8 m/s, 1.5 m/s and 2.5 K when the height of satellite orbit is 400 km, observational angle is 30.0°, laser power is 9.0 W, receiver diameter is 1.0 m, vertical range resolution is 2.0 km, and signal integrated time is 30.0 s.
Indexed ByCSCD
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4715
Collection空间环境部
Recommended Citation
GB/T 7714
闫召爱,胡雄,郭商勇,等. 星载钠荧光多普勒激光雷达性能分析[J]. 雷达学报,2015,4(1):99-106.
APA 闫召爱,胡雄,郭商勇,程永强,郭文杰,&潘艺升.(2015).星载钠荧光多普勒激光雷达性能分析.雷达学报,4(1),99-106.
MLA 闫召爱,et al."星载钠荧光多普勒激光雷达性能分析".雷达学报 4.1(2015):99-106.
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