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1、山東科技大學(xué)泰山科技學(xué)院本科學(xué)生畢業(yè)設(shè)計(jì)（論文）摘要GPS測量具有精度高、速度快等優(yōu)越性,為了進(jìn)一步得到可靠的觀測成果，需要進(jìn)行網(wǎng)形結(jié)構(gòu)的優(yōu)化設(shè)計(jì),并制定相應(yīng)的施測方案。本文從GPS控制網(wǎng)流程中實(shí)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)段中的應(yīng)用實(shí)例相結(jié)合，對(duì)流程中的關(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)行定位的基本方法和觀測量的類型，總結(jié)GPS觀測量的誤差來源和相應(yīng)的改正措施。(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(qiáng)的相關(guān)性、粗差含量大、多種類型的粗差同時(shí)存在等主要特點(diǎn)的基礎(chǔ)上，對(duì)G
2、PS控制網(wǎng)觀測數(shù)據(jù)進(jìn)行優(yōu)化研究。(3)研究不同基線數(shù)或不同基線邊對(duì)控制網(wǎng)質(zhì)量的影響。并用實(shí)例論證基于網(wǎng)形的控制網(wǎng)優(yōu)化設(shè)計(jì)的可行性和有效性。(4)論述殘差理論，分析粗差對(duì)殘差的影響和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基線向量的多余觀測分量、內(nèi)部可靠性和外部可靠性指標(biāo)，總結(jié)基于相關(guān)分析的GPS網(wǎng)可靠性理論。(5)總結(jié)提高GPS控制網(wǎng)可靠性的措施和基于多余觀測的優(yōu)化設(shè)計(jì)思路。并通過對(duì)GPS控制網(wǎng)在南水北調(diào)中線工程第六標(biāo)段中的應(yīng)用實(shí)例的分析得到論證。62山東科技大學(xué)泰山科技學(xué)院本科學(xué)生畢業(yè)設(shè)計(jì)（論文）AbstractGPSm
3、easurementofhighprecision,speedandotheradvantagesinordertofurthersecuretheobservationresults,theneedornet-shapedstructureoftheoptimaldesign,andformulatecorrespondingtotestthisprogram.ThisprocessfromtheGPScontrolnetworkpracticability,andGPScontrolnetworkintheNorthWaterTransferP
4、rojectintheSixthApplicationLotcombinationoftheprocesswasthekeytoanalysisandresearhtoinvestigateandresearchareasfollows:OfthebasicuseofGPSpositioningmethodsandthetypesofobservations,summarizesourcesofGPSerrorofthemeasurementsandthecorrespondingcorrectivemeasures.Thereliabilityo
5、ftheanalysisofGPSnetworkandthegrosserrorsofobservablesexistsbetweenastrongcorrelation,grosserrorcontentofalargevarietyoftypesofgrosserrorsexistbasedonthemajorfeaturesontheGPScontrolOptimizationofnetworkobservationdata.Thenumberofdifferentbaselinesordifferentbaselineedgecontrol
6、networkquality.Demonstratedwithexamplesbasedonshapeandcontrolnetworkdesignofthefeasibilityandeffectiveness.?Discussestheresidualtheory,theimpactofoutliersontheresidualsandtheGPSnetworkreliability,determinants,derivedsummeduptheGPSnetworkreliability,includingredundantobservatio
7、nsGPSbaselinevectorcomponents,theinternalreliabilityandexternalreliabilityindicatorsthatsummarizetheGPSnetworkbasedoncorrelationanalysisofthereliabilitytheory.TheGPScontrolnetworktoimprovethereliabilityofthemeasuresandtheoptimizationofredundantobservationsbasedondesignideas.An
8、dthroughtheGPScontrolnetworkintheNorthWaterTransferProjectoft
