EffectsofIonosphericScintillationonNavigationReceiverPerformance

doi:10.3780/j.issn.1000-758X.2014.03.012

Chinese Space Science and Technology ›› 2014, Vol. 34 ›› Issue (3): 79-83.doi: 10.3780/j.issn.1000-758X.2014.03.012

EffectsofIonosphericScintillationonNavigationReceiverPerformance

LIUSihui^1,2

(1SchoolofElectronicScienceandEngineering,NationalUniversityofDefenseTechnology,Changsha410073)(2BeijingInstituteofTrackingandTelecommunicationTechnology,Beijing100094)

Received:2014-04-04 Revised:2014-06-06 Published:2014-06-25 Online:2014-06-25

Abstract

Abstract: Toquantitativelyanalyzetheeffectsoftheionosphericscintillationonthereceivertrackingloop,thesignalamplitude,thephaseofcarrierandcode,thecarriernoiseratio,andthetrackingofI/Qchannelwereanalyzed,basedontheequivalentchannelmodelofthesignaltransferunderthescintillationconditions.Theresultsshowthatthecarriernoiseratiocandeclinerapidly,causedbytheionosphericscintillation,evenreducingby5dBintheseverecases.Thiswillhavesignificanteffectsonthepositioningaccuracy.Furthermore,anarrowerbandwidthoftrackingloopwillleadtotheweakercycleslipofcarrierunderthesameionosphericscintillation.

Key words: Ionosphericscintillation, Carriernoiseratio, Carrierphase, Decorrelation, Receiver, Navigation

Liu Si-Hui. EffectsofIonosphericScintillationonNavigationReceiverPerformance[J]. Chinese Space Science and Technology, 2014, 34(3): 79-83.

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URL: https://journal26.magtechjournal.com/kjkxjs/EN/10.3780/j.issn.1000-758X.2014.03.012

https://journal26.magtechjournal.com/kjkxjs/EN/Y2014/V34/I3/79

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EffectsofIonosphericScintillationonNavigationReceiverPerformance

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