On the structure of geometric positioning information in GPS measurements |
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| Authors: | D. Kuang B. E. Schutz M. M. Watkins |
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| Affiliation: | (1) Center for Space Research, C0605, The University of Texas at Austin, Austin, TX 78712, USA, US;(2) Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA, US |
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| Abstract: | The geometric information from observables of the Global Positioning System is analyzed through the eigenvectors of the normal matrix in the positioning estimation problem. The relationship among observability, bias absorption and loss of information in differencing measurements is addressed. Some general conclusions for point positioning and relative positioning problems are drawn from analytic inference and supported by numerical simulations. Received 10 August 1995; Accepted 17 July 1996 |
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