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Journal of Projectiles, Rockets, Missiles and Guidance >

2020 , Vol. 40 >Issue 6: 135 - 140

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2020.06.031

A Method on Airborne Daytime Star Sensors Detection Stability Improvement

  • XU Xiaohui 1 ,
  • ZHAO Dongliang 1 ,
  • HU Xiaodong 2 ,
  • ZHANG Yachong 2
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  • 1 The Fifth Military Representative office of Air Force Armament Division in Xi’an Area, Xi’an 710065, China
  • 2 Xi’an Flight Automatic Control Research Institute, Xi’an 710065, China

Received date: 2020-08-01

  Online published: 2025-05-30

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Abstract

In order to increase the adaption of airborne daytime star sensor for sky luminance and airborne dynamic, a method on detection stability improvement for airborne daytime star sensors is raised. First, the star image is stabilized by a fast-steering mirror based micro-mechanical image stabilization system. Then the signal-to-noise ratio of the star image is increased via a multi-frame incremental algorithm. Consequently, the detection stability of airborne daytime star sensors is improved. The experiment results show that the detection stability is enhanced 4 times using this method. It is already applied in the engineering prototype of airborne daytime star sensor and shows great performance.

Key words： star sensor; star image; signal-to-noise ratio; fast-steering mirror; multi-frame incremental algorithm

Cite this article

XU Xiaohui , ZHAO Dongliang , HU Xiaodong , ZHANG Yachong . A Method on Airborne Daytime Star Sensors Detection Stability Improvement[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2020 , 40(6) : 135 -140 . DOI: 10.15892/j.cnki.djzdxb.2020.06.031

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