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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 1045-1048 |
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Gharghi P, Abrazeh S, Khezri M E. Optical Design of Horizon Simulator for Calibration Test of Double Scanning Earth Horizon Sensor. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :1045-1048
URL: http://opsi.ir/article-1-1654-en.html
URL: http://opsi.ir/article-1-1654-en.html
1- Space Sensors Group, Mechanics Institute, Iranian Space Research Center
Abstract: (2094 Views)
Double scanning earth horizon sensors are used for determining the Roll and Pitch Angles of satellites. These operate on the principal of detecting the discontinuity in the radiance at the limb. In recent Years, with the development of space technology, the earth simulator that can provide horizon earth to calibration tests for earth sensor on the ground. In this paper, we design collimated earth simulator based on the altitude orbit 6000 km by use of meniscus lens. Applied ZEMAX software to design the collimating lens that can provide the position and diameter of earth diaphragms correspond earth angle of 62º. The results show the accuracy of earth simulator for calibration test in 6000 km on the ground.
Keywords: Altitude Orbit, Double Scanning Earth Horizon Sensor, Earth Horizon Simulator, Collimating Meniscus Lens.
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