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A Graphic Representation of the Necessary Condition for the MAFA Method

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1 Author(s)
Slawomir Cellmer ; Faculty of Geodesy and Land Management, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland

The modified ambiguity function approach (MAFA) is one of the integer least square estimation methods. Although it is a simple and efficient method, it has a significant limitation. This limitation is formulated and analyzed in this paper. A graphical representation of the necessary condition for the MAFA method is presented by plots of Voronoi cells and error ellipsoids, along with a detailed procedure for constructing these plots. It is shown that the necessary condition for the MAFA method is not satisfied in some cases. To overcome this problem, a solution is presented in the final section of this paper.

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IEEE Transactions on Geoscience and Remote Sensing  (Volume:50 ,  Issue: 2 )