46 10 2018 10 () JOURNALOFTONGJIUNIVERSITY(NATURALSCIENCE) Vol46No10 Oct2018 :0253-374X(2018)10-1448-07 DOI:1011908/jissn0253-374x201810018 1,2 1,3, 4, 1,2 (1, 200030;2, 100049; 3, 430223; 4 ( ), 200092) : GPS PCO byfixingreceiverantennapco/pcvandconstrainingstation ( ) PCV( ), coordinatetogivenreferenceframetightlyresultsshowthat PCO PCV, the meandiferenceofblock-specificsateliteantenna PCV, GPS basedondiferentreferenceframesis0726mmcomparing, withthesateliteantenna PCV released byigs based on PCV 0726 IGS00,themeanblock-specificPCVdiferencebetweenIGS mm; IGS 0844 mm; valueandthere-estimatedis0844 mmcomparingtothe IGS14 GPS PCO IGS IGSvalues,GPSre-estimatedsateliteantennaPCO hasan ( GNSS ) -144 mm, averagebiasof -144 mm and -168 mm forthere- IGb08 PCO IGS estimatedsateliteantennapcobasedonigs14andigs08, -168 mm, respectively The re-estimated PCO/PCV values could GPS PCO/PCV, improvetheiriner-consistencyandcontributetothe GNSS GNSS(globalnavigationsatelitesystem) basedreferenceframesdensification Key words:satelite antenna;phase center ofset;phase : ; ; ; center variation; calibration; reference frame; ; ; :1703550 :A datumtransformation Calibration of GPS Satelite Antenna Based on DifferentReferenceFrames CHEN Junping 1,2, HU Yifan 1,3, ZHANG Shuai 4, LIU Jiao 1,2 (1 Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China; 2 University of Chinese AcademyofSciences,Beijing100049,China;3Wuhan Unistrong SpaceInformationCoLTD,Wuhan430223,China;4Shanghai Municipal Engineering Design Institute (Group) Co LTD, Shanghai200092,China) Abstract:GPSsatelitesantennaPCO(phasecenterofset) andpcv(phasecentervariation)werere-estimatedbasedon station coordinates under diferentreferenceframesthe correlationsamonggpssateliteantennaparameters,receiver antennaparametersandreferenceframescaleswerereduced GPS(globalpositioningsystem), (PCO, phasecenterofset) (PCV,phase centervariation), ;, [1-3] 1996 6 30,IGS(internationalGNSSservice) 2006 11,IGS 3, :2017-08-05 : (11673050); (2018YFB0504300) : (1980 ),,,,, E-mail:junping@shaoaccn
10, : 1449 [2-4],, GNSS (global navigation satelite system) ( VLBI,verylongbaselineinterference SLR, satelitelaserrange) 15 10-8 [4-6] ITRF2008,, GNSS (IGS), ITRF (internationalterrestrialreferenceframe) GNSS, 1 GPS Fig1 SateliteantennaPCO Z-component 1709 (2012-10-07) 1933 (2017-01-28), IGSGPS PCO ;z IGS08, (1) z [0,1428 ], PCO PCV cosz [097,100], PCO, IGS08 ITRF2008 z, [7], GNSS, PCO/PCV PCO PCV φ raw(z ) φ (z )= raw Δφ PCV (z )+Δr(cosz -1) (3) 2005 2016 IGS φ raw, (4): IGS00 IGS05 IGS08 GPS PCV, φ (z )= z -z i ( raw z i+1-z i φ raw(z i+1 )- IGS08 IGS14 GPS PCO φ (z raw i ))+φ (z raw i ) (4), IGS :z i z z i+1 =z i +1 (5) 1 PCO Z :R ;r φ (z raw i ) z i ; φ raw(z i+1 ) z i+1 PCV GNSS, PCO, (6): PCV PCO φ (z, raw i )=0 (6) PCO i=0,m-1 x y, x y :m PCV [8] 1 φ raw(z ) PCO PCV,, (7): PCO Z i PCO PCV [ φ raw(z i )-a-δr(1-cosz i )] 2 = min [9] i=0,m-1 Δε φ (z ), (7) Δε φ (z )= Δφ PCV (z )+Δr cosz (1) :Δφ PCV (z ) z :a, PCV,z, z PCV [10], :, PCV sinz = R, r sinz (2), i
1450 () 46 PCV,, [11], 50,, IGS08, 49 ( 2) PCV 2 PCV 1, 1 mm, PCO 2, PCV 21 PCV, IGS GPS 3, 1 PCV, IGS 05atx IGS 08atx IGb00, PCV BLOCK ⅡR-A PRN20, BLOCK ⅡR-B/ⅡR-M PRN05 BLOCK ⅡF GNSS, PRN25 PCV PRN20 (IGS00,IGS05 IGS08) GPS PCV 22 PCV 2015 168 177d 10d 1 2 PCO/PCV Fig2 Stationdistribution Tab1 ReferencePCO/PCVandcoordinatesfilesand timespanofobservations PCO/PCV PCVestimation IGS00 IGb00snx igs05 1602atx 2000 2003 IGS05 IGS05snx igs05 1602atx 2005 2008 IGb08 IGb08snx igs08 1884atx 2 2013 2015 3 PCO Tab2 Conventionalblock-specificsateliteantennaPCO Δx/mm Δy/mm Δz/mm Block Ⅰ 210 0 854 Block Ⅱ/ⅡA 279 0 1023 Block ⅡR 0 0 0 Block ⅡF 394 0 1600 3, [0,2 ] 05 10d 39000, 3,, 02 3 PCV Tab3 Parametersetingofsateliteantenna 300s 10 + 2 1
10, : 1451, PRN20 PRN05 PRN25 3 4 4,PRN20 PRN05 PRN25, 3 [0,1 ], PCV (4)~(7),PCV 1, 3 PRN20 5 IGS08 PCV, Fig3 Distributionofvalidobservationswithrespectto IGS nadirangleforprn20 IGS aprn20 bprn05 cprn25 4 PRN20 PRN05 PRN25 Fig4 Zero-diferenceresidualsofPRN20 PRN05 PRN25 ablock ⅡR-A bblock ⅡR-B/M cblock ⅡF 5 IGS08 PCV Fig5 SateliteantennaPCVbasedonIGS08, IGS00 IGS05 PCV PCV, IGS, 6 PCV PCV IGS, PCV PCV ( ) 6,[1,13 ] PCV, PCV IGS, PCV 1645 mm; 0726 mm 1 13, 1mm 0844mm ; 070 mm, 212 mm BLOCK ⅡR-A BLOCK ⅡR-B/ⅡR-M, PCV ; IGS, BLOCK ⅡF PCV IGS 1mm, 1 13
1452 () 46 ablock ⅡA bblock ⅡR-A cblock ⅡR-B/M 6 dblock ⅡF PCV PCV Fig6 SateliteantennaPCVbasedondiferentreferenceframeandPCVrepetabilityofblock-specificsatelites 3 PCO Nx =C (9) IGS08, : IGS08 IGS14 p,igs08 p1, p p1 31 PCO p p1, IGS 2005 2016 12, N, PCO C C-N (p1-p) IGS14, PCO z, 32 PCO ; SVN(spacevehiclenumber) 5cm 10cm ; PCO, PCO, 2, IGS14, IGS14 PCO IGS08 IGS 7, a B PCO :,a S a B IGS14 Q,p IGS08 PCO,x, 8 7, PCO z N Q,C, 1mm; PCO,, ( ), N IGS14 β ;,
10, : 1453 ablock ⅡR-APRN13PCO ab bblock ⅡR-BPRN22PCO ab cblock ⅡR-APRN13PCO as dblock ⅡR-BPRN22PCO as eblock ⅡR-M PRN17PCO ab fblock ⅡFPRN01PCO ab eblock ⅡR-M PRN17PCO as hblock ⅡFPRN01PCO as 7 PRN13 PRN22 PRN17 PRN01 PCO Fig7 SateliteantennaPCOadjustmentofPRN13,PRN22,PRN17,PRN01relativetoinitialvalue 8, IGS14 IGS 49 2005 2016 12 IGS08, PCO, GPS 10cm, IGS14 PCO PCV, IGS 85 mm, -144 mm, : IGS00 IGS05 IGS08 IGS08 860 mm, PCV, IGS PCV -168 mm IGS14 1 mm IGS14 PCO [72 mm,113 mm], PCO IGS IGS08 PCO -144 mm, IGS08 [61mm,103mm] 8 PCO IGS PCO, IGS14 IGS08-168 mm IGS IGS14 PCO, GPS ( BLOCK Ⅰ BLOCK Ⅱ ) PCO IGS08 PCO 521mm, 4 PCO PCO PCV,
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