中高轨星光折射导航光学系统设计及杂散光抑制

李怀锋; 李志; 林亲

doi:10.3788/OPE.20172508.1995

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中高轨星光折射导航光学系统设计及杂散光抑制

现代应用光学 | 更新时间：2020-07-07

- 中高轨星光折射导航光学系统设计及杂散光抑制
- Optical system design and stray light suppression for medium-high orbit autonomous navigation system based on stellar refraction
- 光学精密工程 2017年25卷第8期页码：1995-2003
- 作者机构：
  
  1.北京空间飞行器总体设计部, 北京 100094
  2.中国空间技术研究院钱学森空间技术实验室, 北京 100094
- 作者简介：
  
  [ "李怀锋(1976-), 男, 河南焦作人, 博士, 高级工程师, 1998年于河南理工大学获得学士学位, 2003年于国家天文台获得博士学位, 主要从事天文导航和空间碎片监视方面的研究。E-mail:lihuaifeng@gmail.com" ]
  林亲(1985-), 女, 浙江台州人, 博士, 工程师, 2007年于浙江工业大学获得学士学位, 2013年于国家天文台获得博士学位, 主要从事天文导航和光学载荷设计方面的研究。E-mail:linqin07@139.com LIN Qin, E-mail:linqin07@139.com
- 基金信息：
  
  国家863高技术研究发展计划资助项目(2015AA2741)
- DOI：10.3788/OPE.20172508.1995
  中图分类号： TH74;V11
- 收稿日期：2017-03-09，
  
  录用日期：2017-4-14，
  
  纸质出版日期：2017-08-25
- 稿件说明：
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李怀锋, 李志, 林亲. 中高轨星光折射导航光学系统设计及杂散光抑制[J]. 光学精密工程, 2017,25(8):1995-2003.

Huai-feng LI, Zhi LI, Qin LIN. Optical system design and stray light suppression for medium-high orbit autonomous navigation system based on stellar refraction[J]. Optics and precision engineering, 2017, 25(8): 1995-2003.
李怀锋, 李志, 林亲. 中高轨星光折射导航光学系统设计及杂散光抑制[J]. 光学精密工程, 2017,25(8):1995-2003. DOI： 10.3788/OPE.20172508.1995.

Huai-feng LI, Zhi LI, Qin LIN. Optical system design and stray light suppression for medium-high orbit autonomous navigation system based on stellar refraction[J]. Optics and precision engineering, 2017, 25(8): 1995-2003. DOI： 10.3788/OPE.20172508.1995.

摘要

为了实现基于大视场星光折射敏感器的中高轨卫星全天时高精度星光折射导航，针对视场中亮地球引起的强杂散光抑制的技术难题，研究了内掩式星光折射敏感器亮地球杂散光的有效抑制方法。通过构建星光折射敏感器模型、搭建星光折射导航仿真观测环境以及原理计算得出了各级杂散光强度，并确定了相应的抑制方法。仿真结果表明，基于二次成像光学系统的内掩式星光折射敏感器可将杂散光抑制在导航系统的最大可接受杂散光抑制值范围内，即抑制后1.003

（

为地球半径）处杂散光亮度小于亮地球平均亮度的1.10×10

-3

倍。最后，通过月球强背景下恒星探测外场试验验证了杂散光分析及抑制方法的可行性。研究成果为实现基于一个大视场星光折射敏感器的中高轨卫星全天时高精度星光折射导航技术奠定了基础。

Abstract

In order to realize full-time-running and high-precision stellar refraction autonomous navigation of medium-high orbit satellites based on single star sensor with wide field of view

and to fix the suppression problem of strong stray light lead by illuminated earth in field of view

an internally occulting stellar refraction sensor and its stray light suppression were researched. Through the establishment of the model of stellar refraction sensor and the simulation test environment of stellar refraction navigation

the intensities of stray light for each level were determined by simulation analysis and numerical calculation

thus presenting the scheme for stray light suppression accordingly. The simulation results show that the internally occulting stellar refraction sensor with re-imaging optical system can suppress the stray light to the acceptable maximum capacity of the autonomous navigation system. The acceptable maximum capacity of stray light suppression is 1.1×10

-3

in the field of 1.003

(

is the earth radius)

which means that the stray light in the field of 1.003

should be suppressed under 1.1×10

-3

of the average luminance value of the illuminated earth. Moreover

an field experiment for observing the stars with the moon in the field of view by the prototype of the stellar refraction sensor were performed. The results show that the methods for the stray light suppression and the intensity calculation of the stray light are effective and feasible

which lay a good foundation for the application of the stellar refraction autonomous navigation method for medium-high orbit satellites based on single star sensor with wide field of view.

关键词

Keywords

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