伪卫星增强GPS 方法在变形监测中的应用研究(中英对照).doc

文档介绍：Pseudolite-augmentedGPSforDeformationMonitoring:AnalysisandExperimentalStudyAbstract:AlthoughGPShasbeenwidelyusedfordeformationmonitoring,manysurveyenvironments,likeindeepopen-pitminesandvalleys,limitthenumberofvisibleGPSsatellites,(PSL),inparticularthemethod/strategytoestimatePSLmultipatheffect,:GPS;pseudolite;deformationmonitoring;precisionpositioning1IntroductionGPShasbeenwidelyusedforprecisionsurveys,.,deformationsurveys,ontrol,settingoutofengineeringstructures,,availability,andreliabilityofGPSsurveys,however,,uracyofGPS-,manysurveyconditions(likeinurbanareas,deepopen-pitmines,valleys),uracyinaparticulardirection,,ground-based“pseudosatellites”,hereaftercalledpseudolite(PSLS),canbeaddedintoaGPSsurveysystemtostrengthenpositioninggeometry,whichisreferredasthePSL-,broadcastingGPS-,however,