›› 2017, Vol. 37 ›› Issue (4): 56-62.doi: 10.16708/j.cnki.1000-758X.2017.0053

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Researchonquickstaridentificationalgorithmofupperstage

 LI  Chao-Bing*, LI  Lan-Lan, WEN  Ya   

  1. BeijingAerospaceAutomaticControlInstitute,Beijing100859,China
  • Received:2016-11-23 Revised:2017-05-08 Online:2017-08-25 Published:2017-06-29

Abstract: Presentstaridentificationalgorithmshavetheproblemofreal-timecalculation.Inordertomeetthenavigationrequirementoftheupperstage,theKvectorsearchalgorithmwasemployed,theinterstaranglesasthematchingfeaturequantitywereselectedandthestarpyramidmatchingalgorithmwasused.Finally,simulationresultsindicatethatthesuccessrateofthisalgorithmismorethan99%,themaximumtimeofidentificationisabout100ms,andtheaveragetimeislessthan15ms.Thealgorithmcanmeetthematchingspeedandprecisionrequirementsoftheupperstage.

Key words: upperstage, celestialnavigation, inter-starangles, staridentification, Kvectorsearchalgorithm, pyramidalgorithm