EVALUATION OF THE ADJUSTMENT PARAMETERS OF A SCANNING DEVICE WITH A MULTIPLE-ROW FOCAL PLANE ARRAY
G. I. Gromilin1, V. P. Kosykh1,2, K. V. Kozlov3, V. N. Vasil'ev4
1Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, prosp. Akademika Koptyuga 1
2Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090
3Orion Scientific-Production Association, ul. Kosinskaya 9, Moscow, 111538
4Research Institute of Optoelectronic Devices, ul. Leningradskay 29, Sosnovyi Bor 188540, Leningrad region
Keywords: сканирующее устройство, матричный фотоприёмник, режим ВЗН, ориентация фотоприёмника, скорость сканирования, scanning device, focal plane array, time delay and integration, orientation of focal plane array, scanning speed
Abstract
Scanning devices based on multiple-row focal plane arrays providing increased resolution impose much more strict requirements on alignment than single-row arrays. This paper presents a new method for measuring and estimating the scanning speed and the angle of orientation of a multiple-row focal plane array relative to the scanning direction - parameters that have the most significantly effect on the quality of the discrete image formed. The method is based on an analysis of the image of a simple test object - an optical gap. An algorithm for estimating these parameters is considered which ensures high-accuracy estimates under fairly weak requirements on the image quality of the test object. The estimate accuracy was calculated analytically and confirmed by simulation.
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