AEROSPACE SHANGHAI, Volume. 42, Issue 3, 1(2025)

PolInSAR Forest Height Inversion Based on the Vertical Structural Heterogeneity Model

Xiaolu CHENG1, Yunli CHEN2, Changcheng WANG1、*, Yanyang LIU2, and Jie WAN1
Author Affiliations
  • 1School of Geosciences and Info-physics,Central South University,Changsha410083,,China
  • 2Shanghai Academy of Spaceflight Technology,Shanghai201109,China
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    Figures & Tables(13)
    Process of the forest height inversion
    Experimental data and validation data
    SAR data profile in the azimuthal direction
    Tomographic spectra of the profile in the azimuthal direction
    Forest understory terrain
    Forest vertical structure chromatograms obtained by different imaging algorithms
    Vertical structure profilesobtained by the tomographic SAR
    Resultsof the PolInSAR forest height inversion based on the FVSH
    Results of the PolInSAR forest heightinversion based on the RVoG
    • Table 1. Fully polarized SAR dataon the airborne P-band

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      Table 1. Fully polarized SAR dataon the airborne P-band

      波长/m极化方式

      中心

      斜距/m

      中心入射角/(°)斜距向 分辨率/m方位向 分辨率/m
      0.754 2HH+HV+VV4 905.0035.061 41.001.25
    • Table 2. Baseline information of the multi-baseline SAR data

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      Table 2. Baseline information of the multi-baseline SAR data

      获取日期编号基线/m
      2009-08-24Tropi04020
      Tropi0403-14.487 9
      Tropi0404-30.116 3
      Tropi0405-43.834 3
      Tropi0406-60.063 2
      Tropi0407-74.968 3
    • Table 3. Forest height inversion results at different positions

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      Table 3. Forest height inversion results at different positions

      参数位置1位置2位置3
      FVSHCapon/m23.2028.6022.60
      FVSHBeamforming/m23.1029.0021.40
      FVSHMUSIC/m23.2028.7024.90
      激光雷达冠层高度/m24.6329.6927.59
    • Table 4. Accuracy of the forest height inversion using different methods

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      Table 4. Accuracy of the forest height inversion using different methods

      方法FVSHCaponFVSHBeamformingFVSHMUSICRVoG
      反演精度/m3.753.913.867.45
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    Xiaolu CHENG, Yunli CHEN, Changcheng WANG, Yanyang LIU, Jie WAN. PolInSAR Forest Height Inversion Based on the Vertical Structural Heterogeneity Model[J]. AEROSPACE SHANGHAI, 2025, 42(3): 1

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    Paper Information

    Category: General System and Spacecraft

    Received: Jan. 9, 2025

    Accepted: --

    Published Online: Sep. 29, 2025

    The Author Email:

    DOI:10.19328/j.cnki.2096-8655.2025.03.001

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