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Proceedings Paper

Photogrammetric measurement of the ASKAP antenna
Author(s): Qi-qiang Feng; Zong-chun Li; Guang-yun Li
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Paper Abstract

The Australian SKA Pathfinder ratio telescope (ASKAP) comprises an array of up to 45 dish antennas with diameter of 12 meters. ASKAP is situated at Australia's candidate site for the International Square Kilometre Array telescope in Western Australia. It is intended to be a fully-functional radio telescope, with a science case based on its wide-field-of-view capabilities at centimeter wavelengths. The paper reports the photogrammetric measurement of the first ASKAP antenna reflector surface. Deformation of the reflector surface was measured with photogrammetric system V-STARS at six different elevation and polarization angles. The maximum RMS of orthogonal distance residuals from the best-fit paraboloid is 0.58mm, less than the design accuracy of 1mm.

Paper Details

Date Published: 20 August 2010
PDF: 6 pages
Proc. SPIE 7820, International Conference on Image Processing and Pattern Recognition in Industrial Engineering, 782022 (20 August 2010); doi: 10.1117/12.866765
Show Author Affiliations
Qi-qiang Feng, Zhengzhou Institute of Surveying and Mapping (China)
Zong-chun Li, Zhengzhou Institute of Surveying and Mapping (China)
Guang-yun Li, Zhengzhou Institute of Surveying and Mapping (China)


Published in SPIE Proceedings Vol. 7820:
International Conference on Image Processing and Pattern Recognition in Industrial Engineering
Shaofei Wu; Zhengyu Du; Shaofei Wu; Zhengyu Du; Shaofei Wu; Zhengyu Du, Editor(s)

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