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Laser & Optoelectronics Progress, Volume. 56, Issue 12, 122901(2019)

Forward Parametric Modeling Based on Target Attribute Scattering Center Model

Ruohan Xie, Siyuan He*, Guoqiang Zhu, and Yunhua Zhang
Author Affiliations
  • Electronic Information School, Wuhan University, Wuhan, Hubei 430072, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (18)
    Cited By (1)
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    Figures & Tables(11)
    Flow chart of ray path tracing

    Fig. 1. Flow chart of ray path tracing

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    Schematic of parts of cruise missile

    Fig. 2. Schematic of parts of cruise missile

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    Comparison between major scattering source contribution and total scattering field

    Fig. 3. Comparison between major scattering source contribution and total scattering field

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    Schematic of certain type of tank

    Fig. 4. Schematic of certain type of tank

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    Comparison between major scattering source contributions and darkroom measurement or total scattering field

    Fig. 5. Comparison between major scattering source contributions and darkroom measurement or total scattering field

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    Schematic of edge diffraction. (a) Local coordinate system; (b) angle representation

    Fig. 6. Schematic of edge diffraction. (a) Local coordinate system; (b) angle representation

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    Schematic of right-angle external splitting model

    Fig. 7. Schematic of right-angle external splitting model

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    Comparison between parametric model reconstruction with RCS and ILDC theoretical calculation for right-angle external splitting target

    Fig. 8. Comparison between parametric model reconstruction with RCS and ILDC theoretical calculation for right-angle external splitting target

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    Comparison between parametric model reconstruction with RCS and ILDC theoretical calculation for PEC cubic target

    Fig. 9. Comparison between parametric model reconstruction with RCS and ILDC theoretical calculation for PEC cubic target

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    • Table 1. Scattering source screening results for cruise missile target

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      Table 1. Scattering source screening results for cruise missile target

      SerialnumberPartnumberαAr(x,y,z)L
      110.50.0319(0.034,0.229,-0.132)4.469
      2781.00.0024(2.661,0.008,-0.008)0.269
      3140.50.0020(1.207,0.059,-0.260)0.003
      4130.50.0016(0.068,0.266,-0.013)0.000
      590.50.0012(-2.370,0.226,-0.131)0.017

    • Table 2. Scattering source screening results for right-angle external splitting target

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      Table 2. Scattering source screening results for right-angle external splitting target

      ScatteringcenterαRCS /(dB·m2)Ar(x,y,z)
      Wedge surface1113.670.0136(10,0,0)
      Wedge surface2113.670.0136(0,-10,0)
      Wedge side07.830.0069(10,-10,0)
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    Ruohan Xie, Siyuan He, Guoqiang Zhu, Yunhua Zhang. Forward Parametric Modeling Based on Target Attribute Scattering Center Model[J]. Laser & Optoelectronics Progress, 2019, 56(12): 122901

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    Paper Information

    Category: Scattering

    Received: Nov. 27, 2018

    Accepted: Jan. 10, 2019

    Published Online: Jun. 13, 2019

    The Author Email: He Siyuan (siyuanhe@whu.edu.cn)

    DOI:10.3788/LOP56.122901

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology