The Ground Resolution Characteristic and The Choice of Telescope Focal Length for Imaging Spectrometers with Motion Compensation

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The Ground Resolution Characteristic and The Choice of Telescope Focal Length for Imaging Spectrometers with Motion Compensation

Article | 更新时间：2020-08-12

- The Ground Resolution Characteristic and The Choice of Telescope Focal Length for Imaging Spectrometers with Motion Compensation
- Optics and Precision Engineering Vol. 17, Issue 4, Pages: 745-749(2009)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所应用光学实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：25 June 2008，
  
  Revised：21 July 2008，
  
  Published Online：25 April 2009，
  
  Published：25 April 2009
- 稿件说明：
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李欢,向阳. 运动补偿成像光谱仪地面分辨率特性及望远系统焦距的选择[J]. 光学精密工程, 2009,17(4):745-749

The Ground Resolution Characteristic and The Choice of Telescope Focal Length for Imaging Spectrometers with Motion Compensation[J]. Optics and precision engineering, 2009, 17(4): 745-749.
李欢,向阳. 运动补偿成像光谱仪地面分辨率特性及望远系统焦距的选择[J]. 光学精密工程, 2009,17(4):745-749 DOI：

The Ground Resolution Characteristic and The Choice of Telescope Focal Length for Imaging Spectrometers with Motion Compensation[J]. Optics and precision engineering, 2009, 17(4): 745-749. DOI：

摘要

对于运动补偿增加成像光谱仪能量积分时间的情况，首先推导出了其地面分辨率和望远系统焦距选择的一般表达式，其次，据此进行了具体计算。结果表明，运动补偿成像光谱仪地面分辨率与指向反射镜转角成反比关系，即：转角大时地面分辨率低，反之亦然；需要综合应用需求、系统质量、体积等指标，来选取合适的望远系统焦距。

Abstract

On the situation of increase energy integral time for imaging spectrometers with motion compensation

first

deduced the general expressions of the ground resolution and the telescope focal length. Second

calculated that concretely. The result indicates that ground resolution is inverse proportion to pointing angle for imaging spectrometers with motion compensation. Viz.

the ground resolution will decrease when pointing angle increases

vice versa. That needs synthesize applied requirement

system quality and volume etc.

to choose appropriate telescope focal length.

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Related Institution

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences

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School of Electronic and Optical Engineering， Nanjing University of Science and Technology

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