Uniqueness and Nonuniqueness of the GNSS Carrier-Phase Compass Readings
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Teunissen, P.J.G. 2012. Uniqueness and Nonuniqueness of the GNSS Carrier-Phase Compass Readings, in N. Sneeuw, P. Novak, M. Crespi, F. Sanso (ed), VII Hotine-Marussi Symposium on Mathematical Geodesy: International Association of Geodesy Symposia, Vol.137, pp. 93-97. Heidelberg: Springer.
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VII Hotine-Marussi Symposium on Mathematical Geodesy International Association of Geodesy Symposia, Vol.137
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In this contribution we analyse the possible nonuniqueness in the least-squares solution of the GNSS carrier-phase compass model. It is shown that this lack of uniqueness may manifest itself in the fixed baseline estimator and therefore in the GNSS compass readings. We present the conditions under which nonuniqueness occurs and give explicit expressions for these nonunique least-squares solutions.
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