The Null method applied to GNSS three-carrier phase ambiguity resolution

The Null method is a technique to fix the ambiguity in L1 phase measurements of the global positioning system (GPS). The method is adapted to new global navigation satellite systems (GNSS) which offer phase measurements at three frequencies. In order to validate the efficiency of the adapted method,...

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Bibliographic Details
Published in:Journal of geodesy 2004-09, Vol.78 (1-2), p.96-102
Main Authors: FERNANDEZ-PLAZAOLA, U, MARTIN-GUERRERO, T. M, ENTRAMBASAGUAS-MUNOZ, J. T, MARTIN-NEIRA, M
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geodetics
Global positioning systems
GPS
Internal geophysics
Measurement techniques
Navigation systems
Solid-earth geophysics, tectonophysics, gravimetry
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Summary:The Null method is a technique to fix the ambiguity in L1 phase measurements of the global positioning system (GPS). The method is adapted to new global navigation satellite systems (GNSS) which offer phase measurements at three frequencies. In order to validate the efficiency of the adapted method, results obtained using a software simulator and an emulator are presented. The results are then compared to those obtained with the least-squares ambiguity decorrelation adjustment (LAMBDA) method. Good performance of the Null method in new GNSS systems is shown.[PUBLICATION ABSTRACT]
ISSN:0949-7714
1432-1394
DOI:10.1007/s00190-004-0376-3