Simplified equivalent multiple baseline solutions with elevation-dependent weights |
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| Authors: | Yunzhong Shen Bofeng Li Guochang Xu |
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| Institution: | (1) Department of Surveying and Geo-informatics Engineering, Tongji University, 200092 Shanghai, People’s Republic of China;(2) Key Laboratory of Advanced Surveying Engineering of State Bureau of Surveying and Mapping, 1239 Siping Road, 200092 Shanghai, People’s Republic of China;(3) GeoForschungsZentrum Potsdam (GFZ), Dept.1 Telegrafenberg A17, 14473 Potsdam, Germany |
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| Abstract: | Since the assumption of all stations tracking the same satellites with identical weights was previously employed by Shen and
Xu (GPS Solut 12:99–108, 2008) to derive the simplified GNSS single- and double-differenced equivalent equations, this supplementary paper expands these
simplified equations in the case of each station tracking different satellites with elevation-dependent weights. Numerical
experiments are performed to demonstrate the computational efficiency of the simplified equivalent algorithm relative to the
traditional method in various scenarios of multi-baseline solutions with tracking different satellites. The fast computational
speed of the simplified equivalent algorithm will potentially benefit the local, regional and even global GNSS multi-baseline
solutions as well as the combined GNSS application.
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| Keywords: | GNSS data processing Multi-baseline solutions Equivalent representation Combined GNSS application |
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