Rapid GPS ambiguity resolution for short and long baselines |
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| Authors: | M Horemu? L E Sjöberg |
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| Institution: | (1) Royal Institute of Technology, Department of Geodesy and Photogrammetry, S-100 44 Stockholm, Sweden e-mail: milanh@geomatics.kth.se/sjoberg@geomatics.kth.se; Tel.: +46-8-790-73-34/+46-8-790-73-30; Fax: +46-8-790-73-43, SE |
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| Abstract: | A method of quick initial carrier cycle ambiguity resolution is described. The method applies to high-quality dual-band global
positioning system observations. Code measurements on both frequencies must be available. The rapidity of the method is achieved
through smoothing pseudoranges by phase observables and forming linear combinations between the phase observables. Two cases
are investigated. Case 1: ionospheric bias is neglected (short distances); and case 2: the bias is taken into account (longer
distances, more than, say, 10 km). The method was tested on six baselines, from 1 to 31 km long. In most cases, single-epoch
ambiguity resolution was achieved.
Received: 6 October 1999 / Accepted: 4 March 2002 |
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| Keywords: | : GPS – Ambiguity resolution |
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