Processing Strategies for Regional GPS Networks
作者： M. Rothacher , T. A. Springer , S. Schaer , G. Beutler
DOI: 10.1007/978-3-662-03714-0_14
关键词: Troposphere 、 Code (cryptography) 、 Ambiguity resolution 、 Multipath propagation 、 Very-long-baseline interferometry 、 Computer science 、 Geodesy 、 Phase center 、 Global Positioning System 、 Orbit determination
摘要: At the Center for Orbit Determination in Europe (CODE), one of IGS Analysis Centers, we are routinely processing GPS data a dense European network. In order to improve height estimates and, very strongly coupled therewith, modelling troposphere this network, decided include low-elevation into processing, something that has been done VLBI analyses long time. An appropriate mapping function, option weight observations according elevation angle, and estimation gradients were implemented make best use at low elevations. Problems may arise from phase center variations, multipath, troposphere.
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