Approximate computing model for ground coverage region of infrared early warning satellites

被引：0
作者：
Zhong, Yu [1 ]
Wu, Xiao-Yan [1 ]
Huang, Shu-Cai [1 ]
Li, Cheng-Jing [1 ]
Wu, Jian-Feng [1 ]
机构：
[1] Air and Missile Defense College, Air Force Engineering University, Xi'an
来源：
Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics | 2014年 / 36卷 / 11期
关键词：
Coordinate transformation; Coverage region; Infrared early warning satellites; Staring coverage;
D O I：
10.3969/j.issn.1001-506X.2014.11.04
中图分类号：
学科分类号：
摘要：
In the operation of missile defense, computing ground coverage region of infrared early warning satellites is a key precondition. Considering the characteristics of orbit altitudes and on-board sensors, using projection and mapping of point sets, firstly conic-slew scanning and push-broom scanning coverage region models for geosynchronous (GEO) satellites are derived. Secondly, in view of the low earth orbit (LEO) satellite's orbit property, its scanning coverage region model is obtained using coordinate transformation. A novel surveillance operation mode of GEO staring sensor towards interesting region is described. In order to determine whether there is intersection between projection of the focal plane and the earth, limb coverage criterion is also given. Simulation scenarios corresponding to coverage models above show those models are feasible and can support detecting and tracking ballistic missiles for infrared early warning satellites. ©, 2014, Chinese Institute of Electronics. All right reserved.
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页码：2133 / 2137
页数：4
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