Deformation measurement of antenna reflector using photogrammetry in thermal-vacuum

Chengjing Lu; Guiping Huang; Guangyun Li

doi:10.1117/12.819676

31 December 2008 Deformation measurement of antenna reflector using photogrammetry in thermal-vacuum

Chengjing Lu, Guiping Huang, Guangyun Li

Author Affiliations +

Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 713039 (2008) https://doi.org/10.1117/12.819676
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

Abstract

Techniques of digital close-range photogrammetry were successfully used in the high-low temperature deformation measurement of satellite antenna's reflector in thremal vacuum in this paper, and problems of traditional measuring methods that can not be conducted in the vacuum environment were overcame. Excitingly, the measuring precision of the new method with two 8-megapixel digital cameras contained in custom-made pressurized canisters could reach 0.1mm, and could satisfy the designing requirements of products.

Citation Download Citation

Chengjing Lu, Guiping Huang, and Guangyun Li "Deformation measurement of antenna reflector using photogrammetry in thermal-vacuum", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 713039 (31 December 2008); https://doi.org/10.1117/12.819676

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