Variance Component Estimation for Combination of Terrestrial Reference Frames
Combining Terrestrial Reference Frames (TRFs) to frames of superior quality (like the ITRF) usually involves homogenisation by an empirical weighting scheme. Different approaches on variance component estimation have been evaluated for this purpose. The statistically rigorous Helmert estimator has b...
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Main Author: | |
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Format: | Electronic Book Chapter |
Published: |
KIT Scientific Publishing
2007
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Series: | Schriftenreihe des Studiengangs Geodäsie und Geoinformatik / Universität Karlsruhe (TH), Studiengang Geodäsie und Geoinformatik
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Subjects: | |
Online Access: | DOAB: download the publication DOAB: description of the publication |
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Summary: | Combining Terrestrial Reference Frames (TRFs) to frames of superior quality (like the ITRF) usually involves homogenisation by an empirical weighting scheme. Different approaches on variance component estimation have been evaluated for this purpose. The statistically rigorous Helmert estimator has been compared with two other methods: the degree of freedom method and a simplified, approximate estimator. Tests have been performed, covering two elementary types of combinations. |
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Physical Description: | 1 electronic resource (IX, 69 p. p.) |
ISBN: | KSP/1000007363 9783866442061 |
Access: | Open Access |