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1、個人收集整理僅供參考學(xué)習(xí)摘要GPS測量具有精度高、速度快等優(yōu)越性,為了進(jìn)一步得到可靠地觀測成果，需要進(jìn)行網(wǎng)形結(jié)構(gòu)地優(yōu)化設(shè)計,并制定相應(yīng)地施測方案.本文從GPS控制網(wǎng)流程中實用性出發(fā),與GPS控制網(wǎng)在南水北調(diào)中線工程第六標(biāo)段中地應(yīng)用實例相結(jié)合，對流程中地關(guān)鍵環(huán)節(jié)進(jìn)行了分析研究，主要探討和研究內(nèi)容如下:(1)分析利用GPS進(jìn)行定位地基本方法和觀測量地類型，總結(jié)GPS觀測量地誤差來源和相應(yīng)地改正措施.(2)在分析GPS網(wǎng)可靠性研究和粗差分析具有觀測量之間存在著較強地相關(guān)性、粗差含量大、多種類型地粗差同時存在等主要特點地基礎(chǔ)上，對GP
2、S控制網(wǎng)觀測數(shù)據(jù)進(jìn)行優(yōu)化研究.b5E2RGbCAP(3)研究不同基線數(shù)或不同基線邊對控制網(wǎng)質(zhì)量地影響.并用實例論證基于網(wǎng)形地控制網(wǎng)優(yōu)化設(shè)計地可行性和有效性.p1EanqFDPw(4)論述殘差理論，分析粗差對殘差地影響和GPS網(wǎng)可靠性決定因子，推導(dǎo)總結(jié)出了GPS網(wǎng)可靠性指標(biāo)，包括GPS基線向量地多余觀測分量、內(nèi)部可靠性和外部可靠性指標(biāo)，總結(jié)基于相關(guān)分析地GPS網(wǎng)可靠性理論.DXDiTa9E3d(5)總結(jié)提高GPS控制網(wǎng)可靠性地措施和基于多余觀測地優(yōu)化設(shè)計思路.并通過對GPS控制網(wǎng)在南水北調(diào)中線工程第六標(biāo)段中地應(yīng)用實例地分析得到論
3、證.RTCrpUDGiTAbstractGPSmeasurementofhighprecision,speedandotheradvantagesinordertofurthersecuretheobservationresults,theneedornet-shapedstructureoftheoptimaldesign,andformulatecorrespondingtotestthisprogram.ThisprocessfromtheGPScontrolnetworkpracticability,andGPScon
4、trolnetworkintheNorthWaterTransferProjectintheSixthApplicationLot56/56個人收集整理僅供參考學(xué)習(xí)combinationoftheprocesswasthekeytoanalysisandresearhtoinvestigateandresearchareasfollows:5PCzVD7HxAOfthebasicuseofGPSpositioningmethodsandthetypesofobservations,summarizesourcesofGPSer
5、rorofthemeasurementsandthecorrespondingcorrectivemeasures.jLBHrnAILgThereliabilityoftheanalysisofGPSnetworkandthegrosserrorsofobservablesexistsbetweenastrongcorrelation,grosserrorcontentofalargevarietyoftypesofgrosserrorsexistbasedonthemajorfeaturesontheGPScontrolOp
6、timizationofnetworkobservationdata.xHAQX74J0XThenumberofdifferentbaselinesordifferentbaselineedgecontrolnetworkquality.Demonstratedwithexamplesbasedonshapeandcontrolnetworkdesignofthefeasibilityandeffectiveness.?LDAYtRyKfEDiscussestheresidualtheory,theimpactofoutlie
7、rsontheresidualsandtheGPSnetworkreliability,determinants,derivedsummeduptheGPSnetworkreliability,includingredundantobservationsGPSbaselinevectorcomponents,theinternalreliabilityandexternalreliabilityindicatorsthatsummarizetheGPSnetworkbasedoncorrelationanalysisofthe
8、reliabilitytheory.Zzz6ZB2LtkTheGPScontrolnetworktoimprovethereliabilityofthemeasuresandtheoptimizationofredundantobservationsbasedondesign
