Infrared and Laser Engineering, Volume. 51, Issue 9, 20210977(2022)
Research on early warning and detection capability of scanning camera of space-based infrared system
Figures & Tables(7)
Fig. 2. GEO-4, 5 satellite short-wave infrared detectors and scanning methods
Table 1. Main parameters of three types of shortwave infrared scanning cameras (estimated values)
View tableView in ArticleTable 1. Main parameters of three types of shortwave infrared scanning cameras (estimated values)
Unit HEO GEO-1,2,3 GEO-4,5 Detectors Six SWIR 768×8 TDICCD Six SWIR 768×8 TDICCD Sixteen SWIR 2 k×2 k CCD Ad/μm 20×20 20×20 20×20 α/μrad 39 39 18 D*/cm·Hz1/2·W−1 1012 1012 1012 D/mm 340 340 340 f/mm 513 513 1111 F# 1.5 1.5 3 EN/W·m−2 0.79×10−4 1.12×10−4 1.4×10−5 Ground resolution (right opposite)/m 780-1560 1400 645
Table 2. Detection capabilities of three types of short-wave infrared scanning cameras
View tableView in ArticleTable 2. Detection capabilities of three types of short-wave infrared scanning cameras
Unit HEO GEO-1,2,3 GEO-4,5 R/km 40 000 37 600 37 600 IB/W·m−2·sr−1 8.6×10−4 8.6×10−4 8.6×10−4 EB/W·m−2 1.8×10−4 1.8×10−4 0.45×10−4 ET/W·m−2 8.5×10−4τa 9.6×10−4τa 9.6×10−4τa SN 10.7τa 8.6τa 68.6τa Hmin(@SN=4)/km 8.6 10 3.3
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Ping Lei, Hui Xing, Juanfeng Wang, Bing Wang, Ligang Huang, Jinsuo Wang. Research on early warning and detection capability of scanning camera of space-based infrared system[J]. Infrared and Laser Engineering, 2022, 51(9): 20210977
Paper Information
Category: Infrared technology and application
Received: Dec. 5, 2021
Accepted: --
Published Online: Jan. 6, 2023
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