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1、摘要摘要如今GPS系統(tǒng)已經(jīng)廣泛的應(yīng)用于空中、陸地和海洋的定位與導(dǎo)航。GPS以其全球性、實時性、全天候連續(xù)、快速、高精度的導(dǎo)航/定位/授時功能，為全球用戶提供服務(wù)。利用GPS載波相位技術(shù)對載體進行定向和測姿的研究開辟了一個新的GPS應(yīng)用研究領(lǐng)域。本文針對雙天線GPS接收機的載體姿態(tài)測定技術(shù)進行了探討，在GPS載波相位測量載體姿態(tài)的理論基礎(chǔ)上，設(shè)計了一種低成本、高靈活性的GPS測姿應(yīng)用系統(tǒng)。本文首先講解了GPS系統(tǒng)的原理，GPS接收機的各個功能單元和GPS定位的基本原理。接著介紹了GPS載波相位測量的基本原理，及其在載體姿態(tài)測定中的應(yīng)用。重點闡述了應(yīng)用雙天線載波相位測量解算載體姿態(tài)的差分模型算法
2、和快速求解整周模糊度的新方法。在此基礎(chǔ)上應(yīng)用加拿大NovAtel公司的兩塊OEMV-1板卡和飛利浦公司的ARM7芯片給出了系統(tǒng)軟、硬件實現(xiàn)方案。用C語言編寫了衛(wèi)星載波相位測量和星歷參數(shù)等原始數(shù)據(jù)的接收、解算程序以及模糊度求解算法后的處理程序。最后通過姿態(tài)后處理程序?qū)y得的衛(wèi)星數(shù)據(jù)進行解算，得出了實驗結(jié)果。結(jié)果表明該系統(tǒng)能夠滿足二維常規(guī)姿態(tài)測量的要求并具有較高的解算精度。關(guān)鍵詞GPS；載波相位；姿態(tài)測定；整周模糊度；OEM；ARMVII摘要VIIAbstractAbstractCurrently,theGlobalPositioningSystem(GPShereafter)hasbeenwi
3、delyusedintheair,landandmarinepositioningandnavigation.GPSprovidesservicesforcustomersallaroundtheworldasitsfunctionsofnavigation,positioningandtimingwithglobalization,realtimeperformance,allweather,fastspeedandhighprecision.TheresearchofattitudedeterminationexploresanewareainGPSapplicationbyusingG
4、PScarrierphasemeasurement.Aimingatcarrierattitudedeterminationbythetwo-antennaGPSreceiver,thisthesisdiscussestheprincipleanddesignsamethodtomeasurethecarrierattitudebyusingtwo-antenna,withlowercostandhigherperformance.ThisthesisfirstlyexplainsthetheoryofGPSsystemandthepartsofGPSreceiver.Secondlythe
5、articleintroducestheprincipleofdeterminationcarrierattitudeusingcarrierphase,especiallyputsfocusonthedifferentialmodelalgorithmusingtwo-antennacarrierphaseandfastambiguityresolutiontocomputethecarrierattitude.Thirdly,itisputforwardtheimplementationschemeofsystemsoftware/hardwarebyusingtheNovAtelOEM
6、V-1receiverandthePhilipsARM7chipandtheClanguageprogramiscompiledtopickupthesatellitecarrierphasedata,ephemerisdataandotherdata,whichresolutestheambiguityfordatapostprocessing.Finally,theattitudesolutionprogramisgiventocalculatethedeterminationdata.Theexperimentalresultsdemonstratethatthesystemmeets
7、thecommonrequiredspecificationsandreachesahighprecisionresolution.KeywordGPS;CarrierPhase;AttitudeDetermination;IntegerAmbiguity;OEM;ARMVIIAbstractVII目錄目錄摘要IABSTRACTIII第1章緒論11.1引言11.2國外研究的現(xiàn)狀及動態(tài)21.3課題的科學(xué)意義和應(yīng)
