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http://dx.doi.org/10.20910/JASE.2016.10.4.17

Optical Design of Satellite Camera for Lens Shifting Image Stabilization  

Tak, Jun-Mo (School of Aerospace and Mechanical Engineering, Graduate School at KAU)
Hwang, Jai-Hyuk (Dept. of Aerospace and Mechanical Engineering, Korea Aerospace University)
Publication Information
Journal of Aerospace System Engineering / v.10, no.4, 2016 , pp. 17-25 More about this Journal
Abstract
In this study, an optical system for a lens-shifting method that compensates for microvibration of a high-agility small satellite has been designed. The lens-shifting method is an image-stabilization technique that can be applied to compensate for the optical path disturbed by microvibration. The target optical system is designed by using Code-V, a commercial optical-design code. The specifications for real satellite cameras have established the requirements for optical design. The Ray aberration curve, spot diagram, and MTF curve were carried out to verify if the designed optical system meets the requirements or not. The designed Schmidt-Cassegrain optical system with field flattener and a vibration-reduction lens has been verified to meet the optical requirements, 33% of MTF at Nyquist frequency, GSD of 2.87 m, and vibration coefficient of 0.95~1.0.
Keywords
Lens Shifting; Image Stabilization; Satellite Camera; Schmidt-Cassegrain Type; Vibration Reduction; Optical Design;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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