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Fast calculation method of complex space target¡¯s optical cross section£¬Applied Optics£¬2013Äê52¾í17ÆÚ
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Fast calculation method of complex space targets' optical cross section
×÷Õß:Han, Y (Han, Yi)[ 1 ] ; Sun, HY (Sun, Huayan)[ 1 ] ; Li, YC (Li, Yingchun)[ 1 ] ; Guo, HC (Guo, Huichao)[ 1 ]
APPLIED OPTICS
¾í: 52  ÆÚ: 17  Ò³: 4013-4019
DOI: 10.1364/AO.52.004013
³ö°æÄê: JUN 10 2013
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This paper utilizes the optical cross section (OCS) to characterize the optical scattering characteristics of a space target under the conditions of Sun lighting. We derive the mathematical expression of OCS according to the radiometric theory, and put forward a fast visualization calculation method of complex space targets' OCS based on an OpenGL and 3D model. Through the OCS simulation of Lambert bodies (cylinder and sphere), the computational accuracy and speed of the algorithm were verified. By using this method, the relative error for OCS will not exceed 0.1%, and it only takes 0.05 s to complete a complex calculation. Additionally, we calculated the OCS of three actual satellites with bidirectional reflectance distribution function model parameters in visible bands, and results indicate that it is easy to distinguish the three targets by comparing their OCS curves. This work is helpful for the identification and classification of unresolved space target based on photometric characteristics. (C) 2013 Optical Society of America
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KeyWords Plus:REFLECTION
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ͨѶ×÷ÕßµØÖ·: Han, Y (ͨѶ×÷Õß)
              Acad Equipment, Beijing 101416, Peoples R China.
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              [ 1 ] Acad Equipment, Beijing 101416, Peoples R China
µç×ÓÓʼþµØÖ·:hanyuxuan.han@163.com
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OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
Àà±ð / ·ÖÀà
Ñо¿·½Ïò:Optics
Web of Science Àà±ð:Optics
ÎÄÏ×ÐÅÏ¢
ÎÄÏ×ÀàÐÍ:Article
ÓïÖÖ:English
Èë²ØºÅ: WOS:000320110900015
ISSN: 1559-128X
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IDS ºÅ: 160HW
Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 19
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 1
2Â¥2014-06-25 16:18:15
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zhaoyan1989987: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ¶àл 2014-06-25 19:02:11
sunshan4379: ¼ìË÷EPI+1, ¸ÐлӦÖú£¡ 2014-06-26 10:24:27
APPLIED OPTICS
¾í: 53  ÆÚ: 6  Ò³: 1142-1142
DOI: 10.1364/AO.53.001142
³ö°æÄê: FEB 20 2014
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ͨѶ×÷ÕßµØÖ·: Han, Y (ͨѶ×÷Õß)
              Acad Equipment, Beijing 101416, Peoples R China.
µØÖ·:
              [ 1 ] Acad Equipment, Beijing 101416, Peoples R China
µç×ÓÓʼþµØÖ·:hanyuxuan.han@163.com
³ö°æÉÌ
OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
Àà±ð / ·ÖÀà
Ñо¿·½Ïò:Optics
Web of Science Àà±ð:Optics
ÎÄÏ×ÐÅÏ¢
ÎÄÏ×ÀàÐÍ:Correction
ÓïÖÖ:English
Èë²ØºÅ: WOS:000331949600018
ISSN: 1559-128X
µç×Ó ISSN: 2155-3165
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Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 1
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0
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