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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 1057-1060 |
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Afkhami M, Foroozan H, Alibani S, Asnafi M A, Raeisi B. The Effects of Angle of Incidence on Diffraction Pattern in the Sun Sensor. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :1057-1060
URL: http://opsi.ir/article-1-1829-en.html
URL: http://opsi.ir/article-1-1829-en.html
1- Space Sensor Group, Institute of Mechanics, Iranian Space Research Center
Abstract: (1772 Views)
The comprehensive optical design of sun sensor needs considering the effect of sunray's angle on the diffraction pattern on the detector plane. For this purpose the diffraction pattern has been simulated on the basis of Fresnel –Kirchhoff integral using MATLAB. The results indicate that by increasing the angle of incoming Sunray the peak location shifts and the diffraction width increases, consequently, the accuracy of the sensor decreases in large angles.
Keywords: Fresnel Diffraction, Sun Sensor.
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