Computer Science
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.7133e.133k&link_type=abstract
Fifth International Symposium on Instrumentation Science and Technology. Edited by Konyakhin, Igor; Artemenko, Yury; Timofeev,
Computer Science
Scientific paper
The mirror construction of the radiotelescope for millimetre wave range requires to measure the line deformation of mirror's surface. Now the control system is based on the trilateration method and it uses three laser distance-meters. This type of the measuring system can't be used for new radio-telescope RT-70 (Suffa). Following issues dealing with this problem are described in this article: 1) the possibility of the design of deformation measurement system based on triangular method 2) the new scheme of optic-electronic measurement system. The great attention during the research was paid to the experimental approval of the theoretical results. The model of the described system had the following characteristics: infrared emission diode AL107B by power 15 mWt as sources of radiation; the objective by the focal length 405 mm as aperture of receiver video-camera, the CMOS matrix receiver by type OV05610 Color CMOS QSXGA with 2592*1944 pixels and one pixel size (2.8*2.8) μm2 produced OmniVision as image analyzer . The computer simulation error and the experimental error measurement was 0.05 mm at the range 30 mm on a working distance 25 m, that allows to measure the deformation of radiotelescope construction with the mirror diameter 70 m.
Artemenko Yury
Konyakhin Igor
Timofeev Aleksandr
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