Spaceborne linear array imager's spatial resolution for arbitrary viewing angles

Valentin G. Kolobrodov; Catherine V. Dobrovolska; Volodymyr I. Mykytenko; Grygorij S. Tymchik; Volodymyr M. Tiagur; Paweł Komada; Assel Mussabekova; Aliya Targeusizova; Aigul Iskakova

doi:10.1117/12.2280909

7 August 2017 Spaceborne linear array imager's spatial resolution for arbitrary viewing angles

Valentin G. Kolobrodov, Catherine V. Dobrovolska, Volodymyr I. Mykytenko, Grygorij S. Tymchik, Volodymyr M. Tiagur, Paweł Komada, Assel Mussabekova, Aliya Targeusizova, Aigul Iskakova

Author Affiliations +

Proceedings Volume 10445, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017; 104450J (2017) https://doi.org/10.1117/12.2280909
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2017, 2017, Wilga, Poland

Abstract

Simplified model of image forming in spaceborne linear array sensors at arbitrary sight angles is proposed in this paper. On basis of evaluation of system "lens - linear array detector" modulation transfer function (MTF), the equations were obtained that allow you to determine spatial resolution on Earth’s surface. An example of pushbroom imager’s MTF determination at sight of Nadir and with different slopes of lens optical axis is given. Image quality changes, which accompany lens optical axis angular inclination were studied. More research needed to determine the impact of lens aberrations on imager’s MTF with arbitrary viewing angles.

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Valentin G. Kolobrodov, Catherine V. Dobrovolska, Volodymyr I. Mykytenko, Grygorij S. Tymchik, Volodymyr M. Tiagur, Paweł Komada, Assel Mussabekova, Aliya Targeusizova, and Aigul Iskakova "Spaceborne linear array imager's spatial resolution for arbitrary viewing angles", Proc. SPIE 10445, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2017, 104450J (7 August 2017); https://doi.org/10.1117/12.2280909

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