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

Ping Lei, Hui Xing, Juanfeng Wang, Bing Wang, Ligang Huang, and Jinsuo Wang
Author Affiliations
  • The 63891 Units of People’s Liberation Army, Luoyang 471000, China
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    Figures & Tables(7)
    Space-based infrared system
    GEO-4, 5 satellite short-wave infrared detectors and scanning methods
    Position relationship of HEO satellite in single orbit
    Position relationship between HEO satellite and ground
    Position relationship between GEO satellite and ground
    • Table 1. Main parameters of three types of shortwave infrared scanning cameras (estimated values)

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      Table 1. Main parameters of three types of shortwave infrared scanning cameras (estimated values)

      UnitHEOGEO-1,2,3GEO-4,5
      DetectorsSix SWIR 768×8 TDICCDSix SWIR 768×8 TDICCDSixteen SWIR 2 k×2 k CCD
      Ad/μm20×2020×2020×20
      α/μrad 393918
      D*/cm·Hz1/2·W−1101210121012
      D/mm 340340340
      f/mm 5135131111
      F# 1.51.53
      EN/W·m−20.79×10−41.12×10−41.4×10−5
      Ground resolution (right opposite)/m780-15601400645
    • Table 2. Detection capabilities of three types of short-wave infrared scanning cameras

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      Table 2. Detection capabilities of three types of short-wave infrared scanning cameras

      UnitHEOGEO-1,2,3GEO-4,5
      R/km 40 00037 60037 600
      IB/W·m−2·sr−18.6×10−48.6×10−48.6×10−4
      EB/W·m−21.8×10−41.8×10−40.45×10−4
      ET/W·m−28.5×10−4τa9.6×10−4τa9.6×10−4τa
      SN10.7τa8.6τa68.6τa
      Hmin(@SN=4)/km 8.6103.3
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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

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    Paper Information

    Category: Infrared technology and application

    Received: Dec. 5, 2021

    Accepted: --

    Published Online: Jan. 6, 2023

    The Author Email:

    DOI:10.3788/IRLA20210977

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