Improved area-based deformation analysis of a radio telescope's main reflector based on terrestrial laser scanning
C Holst, A Nothnagel, M Blome, P Becker… - Journal of applied …, 2015 - degruyter.com
The main reflectors of radio telescopes deform due to gravitation when changing their
elevation angle. This can be analyzed by scanning the paraboloid surface with a terrestrial …
elevation angle. This can be analyzed by scanning the paraboloid surface with a terrestrial …
Terrestrial laser scanner two-face measurements for analyzing the elevation-dependent deformation of the onsala space observatory 20-m radio telescope's main …
For accurate astronomic and geodetic observations based on radio telescopes, the
elevation-dependent deformation of the radio telescopes' main reflectors should be known …
elevation-dependent deformation of the radio telescopes' main reflectors should be known …
A VLBI delay model for gravitational deformations of the Onsala 20 m radio telescope and the impact on its global coordinates
Deformations of the reflectors of radio telescopes used in geodetic and astrometric VLBI
observations belong to the class of systematic error sources which affect the estimated …
observations belong to the class of systematic error sources which affect the estimated …
Aiming at self-calibration of terrestrial laser scanners using only one single object and one single scan
C Holst, H Kuhlmann - Journal of applied geodesy, 2014 - degruyter.com
When using terrestrial laser scanners for high quality analyses, calibrating the laser scanner
is crucial due to unavoidable misconstruction of the instrument leading to systematic errors …
is crucial due to unavoidable misconstruction of the instrument leading to systematic errors …
Biased and unbiased estimates based on laser scans of surfaces with unknown deformations
C Holst, T Artz, H Kuhlmann - Journal of applied geodesy, 2014 - degruyter.com
The estimates based on laser scans of surfaces with unknown deformations are biased and
not reproducible when changing the scanning geometry. While the existence of a bias is …
not reproducible when changing the scanning geometry. While the existence of a bias is …
A constraint-based parameterization technique for B-spline surfaces
C Harmening, H Neuner - Journal of Applied Geodesy, 2015 - degruyter.com
Deformation analysis is one of the classical tasks in engineering geodesy. The development
of the laser scanner has changed the data acquisition as well as the analysis strategy; …
of the laser scanner has changed the data acquisition as well as the analysis strategy; …
Including virtual target points from laser scanning into the point-wise rigorous deformation analysis at geo-monitoring applications
[EN] We present a method to include virtual target points from laser scanning into the point-
based rigorous deformation analysis to derive precise 3D deformation vectors. This method …
based rigorous deformation analysis to derive precise 3D deformation vectors. This method …
Modeling the beam deflection of a gantry crane under load
C Holst, M Burghof, H Kuhlmann - Journal of surveying engineering, 2014 - ascelibrary.org
Gantry cranes load and unload containers from container ships. To ensure safety and
operation, the deflection of their main beams under load should be analyzed. This deflection …
operation, the deflection of their main beams under load should be analyzed. This deflection …
A complete VLBI delay model for deforming radio telescopes: the Effelsberg case
T Artz, A Springer, A Nothnagel - Journal of Geodesy, 2014 - Springer
Deformations of radio telescopes used in geodetic and astrometric very long baseline
interferometry (VLBI) observations belong to the class of systematic error sources which …
interferometry (VLBI) observations belong to the class of systematic error sources which …
[图书][B] Modellbildungen zur Signalweg-und in-situ Referenzpunktbestimmung von VLBI-Radioteleskopen
M Lösler - 2021 - search.proquest.com
Die Erde befindet sich in einem kontinuierlichen Wandel, der aus verschiedenen
variierenden dynamischen Prozessen und einwirkenden Kräften resultiert. Die globale …
variierenden dynamischen Prozessen und einwirkenden Kräften resultiert. Die globale …