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1、2014年9月第40卷第9期北京航空航天大學(xué)學(xué)報(bào)JournalofBeijingUniversityofAeronauticsandAstronauticsSeptember2014V01.40No.9基于自適應(yīng)濾波的編隊(duì)衛(wèi)星實(shí)時(shí)相對(duì)定軌秦顯平(西安測繪研究所地理信息工程國家重點(diǎn)實(shí)驗(yàn)室,西安710054)任夏(中國人民解放軍信息工程大學(xué)導(dǎo)航與空天目標(biāo)工程學(xué)院,鄭州450052)楊元喜(西安測繪研究所地理信息工程國家重點(diǎn)實(shí)驗(yàn)室,西安710054)摘要:提出基于自適應(yīng)濾波的編隊(duì)衛(wèi)星實(shí)時(shí)相對(duì)定軌算法,利用2005—12加9—10兩顆GRACE(G
2、ravityRecoveryandClimateExperiment)衛(wèi)星的GPS(GlobalPositioningSystem)實(shí)測數(shù)據(jù)進(jìn)行實(shí)時(shí)相對(duì)定軌試驗(yàn)計(jì)算,采用JPL(JetPropulsionLaboratory)軌道對(duì)試驗(yàn)結(jié)果外部檢核,結(jié)果表明:①自適應(yīng)濾波相對(duì)定軌通過自適應(yīng)因子,可以較好地平衡編隊(duì)衛(wèi)星的觀測信息和相對(duì)動(dòng)力學(xué)信息,其相對(duì)定軌結(jié)果精度優(yōu)于Kalman濾波相對(duì)定軌結(jié)果;②自適應(yīng)濾波相對(duì)定軌結(jié)果隨著星間基線縮短而精度提高;③兩顆GRACE衛(wèi)星采用單頻偽距和廣播星歷進(jìn)行自適應(yīng)濾波相對(duì)定軌,可以得到精度優(yōu)于6em的星間基
3、線.關(guān)鍵詞:編隊(duì)衛(wèi)星;自適應(yīng)濾波;實(shí)時(shí)相對(duì)定軌;偽距;廣播星歷中圖分類號(hào):V557.1文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1001-5965(2014)09.1195-05Real.timerelativeorbitdeterminationforformationflyingsatellitesusingadaptivefilteringQinXianping(NationalKeyLaboratoryofGeo-informationEngineering,Xi’anInstituteofSurveyingandMapping,Xi’an71005
4、4,China)RenXia(InstituteofNavigation&AerospaceTargetsEngineering,PLAInformationEngineeringUniversity,Zhengzhou450052,China)YangYuanxi(NationalKeyLaboratoryofGeo·informationEngineering,Xi’anInstituteofSurveyingandMapping,Xi’an710054,China)Abstract:Amethodofreal—timerelative
5、orbitdeterminationforformationflyingsatellitesusingadaptivefiheringwasproposed.Real-timerelativeorbitoftwogravityrecoveryandclimateexperiment(GRACE)sat-elliteswascomputedbyusingtheglobalpositioningsystem(GPS)dataobservedfromDecember9to10,2005.Theresultsofthereal—timerelati
6、veorbitdeterminationwereindependentlyvalidatedwiththeorbitsofjetpropulsionlaboratory(JPL)whichcomputedseparately.Theresultsofcomputationshowthattheinforma—tionofrelativedynamicsandobservationbetweenformationflyingsatellitescanbebalancedfinelybyadaptivefilteringthroughadapt
7、ivefactor,andtherelativeorbitofformationflyingsatellitescomputedbyadaptivefihe-ringisbetterthanthatofKalmanfiltering.Theresultsofcomputationalsoshowthattheaccuracyofrelativeorbitisimprovedfortheshorterbaselineofsatellitesbasedontheadaptiverelativeorbitdetermination.The收稿日期
8、:2013—10-15;網(wǎng)絡(luò)出版時(shí)間:2014-04-0116:54;DOI:10.13700/j.bh.1001-5965.2013.0589網(wǎng)絡(luò)出版地址:WWW.cnki.n