Journal of Infrared and Millimeter Waves, Volume. 42, Issue 3, 418(2023)

Fast evaluation of space-based infrared detection availability in cloud backgrounds

Jia-Qing ZHAO1,2,3、*, Xiang DING1, Yong-Hong XUE1, Zhong-Chao XU1, Ze-Ya LI1, Lei ZHANG1, Shi-Wei FAN1, and Rong-Ke LIU3
Author Affiliations
  • 1Beijing Institute of Tracking and Telecommunication Technology, Beijing 100094, China
  • 2Shanghai Aerospace Electronic Technology Research Institute, Shanghai 201109, China
  • 3Beihang University, Beijing 100191, China
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    Figures & Tables(6)
    Influence of background’s radiance and cloud’s radiance scaling ratios on the SCR
    The illustration of one target crossing the cloud with overlap between (a)the target’s neighborhood and the cloud and,(b)the target and the cloud
    Simulated infrared images of the target in the background with different cloud parameters (a)numbers: one to three, (b)size ratios: 25%、50%、75%, (c)speeds: 0.1 pixel/s、0.3 pixel/s、0.5 pixel/s and (d)radiance scaling ratios: 20%、40%、60%
    Simulated SCR change over the time of the target in the background with different cloud parameters (a)numbers: zero to three, (b)size ratios: 25%、50%、75%、100%, (c)speeds: 0 pixel/s、0.1 pixel/s、0.3 pixel/s、0.5 pixel/s and (d)radiance scaling ratios: 20%、40%、60%、100%
    Simulated infrared images of one target in the background with different simulation parameters for model verification (a)Scenario One, (b)Scenario Two, (c)Scenario Three, (d)Scenario Four, (e)Scenario Five and (f)Scenario Six
    • Table 1. The simulated and predicted availability under the six verification scenarios

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      Table 1. The simulated and predicted availability under the six verification scenarios

      场景耦合云参数可用度
      数量起始位置

      像面速度

      (pixel/s)

      辐射强度比例面积比例仿真值公式(4)预测值公式(4)误差公式(11)预测值

      公式(11)

      误差

      1(250,250)00.810.770.735.19%0.772 450.32%
      1(250,300)0.40.50.60.820.765 386.66%0.821 870.23%
      2

      (250,140)

      (250,300)

      0.2

      0.2

      0.8

      0.8

      0.9

      0.9

      0.630.603 574.20%0.630 480.08%
      2

      (250,200)

      (250,300)

      0

      0.3

      0.5

      0.8

      1

      0.5

      0.730.615 1915.73%0.727 260.38%
      3

      (250,150)

      (250,250)

      (250,340)

      0

      0.3

      0.1

      0.5

      0.8

      1

      1

      0.75

      0.5

      0.60.462 0722.99%0.600 370.06%
      3

      (250,140)

      (250,200)

      (250,340)

      (80,60)

      0.3

      0.1

      0.2

      0.3

      0.2

      0.6

      1

      1

      0.75

      0.25

      1

      1

      0.650.562 9613.39%0.646 390.56%
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    Jia-Qing ZHAO, Xiang DING, Yong-Hong XUE, Zhong-Chao XU, Ze-Ya LI, Lei ZHANG, Shi-Wei FAN, Rong-Ke LIU. Fast evaluation of space-based infrared detection availability in cloud backgrounds[J]. Journal of Infrared and Millimeter Waves, 2023, 42(3): 418

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    Paper Information

    Category: Research Articles

    Received: Aug. 14, 2022

    Accepted: --

    Published Online: Jul. 5, 2023

    The Author Email: Jia-Qing ZHAO (zhao_jiaqing@yeah.net)

    DOI:10.11972/j.issn.1001-9014.2023.03.018

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