留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

基于GNSS-R的裸土圆极化散射特性研究

吴学睿 欧阳馨秋 王芳 马文骁

吴学睿, 欧阳馨秋, 王芳, 等 . 基于GNSS-R的裸土圆极化散射特性研究[J]. 北京航空航天大学学报, 2020, 46(10): 1883-1889. doi: 10.13700/j.bh.1001-5965.2019.0553
引用本文: 吴学睿, 欧阳馨秋, 王芳, 等 . 基于GNSS-R的裸土圆极化散射特性研究[J]. 北京航空航天大学学报, 2020, 46(10): 1883-1889. doi: 10.13700/j.bh.1001-5965.2019.0553
WU Xuerui, OUYANG Xinqiu, WANG Fang, et al. Bare soil circular polarization scattering properties for GNSS-R applications[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(10): 1883-1889. doi: 10.13700/j.bh.1001-5965.2019.0553(in Chinese)
Citation: WU Xuerui, OUYANG Xinqiu, WANG Fang, et al. Bare soil circular polarization scattering properties for GNSS-R applications[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(10): 1883-1889. doi: 10.13700/j.bh.1001-5965.2019.0553(in Chinese)

基于GNSS-R的裸土圆极化散射特性研究

doi: 10.13700/j.bh.1001-5965.2019.0553
基金项目: 

国家自然科学基金 41501384

详细信息
    作者简介:

    吴学睿  女, 博士, 副研究员。主要研究方向:GNSS-R遥感原理及应用

    王芳  女, 博士, 副教授。主要研究方向:微波遥感散射模型机理及应用

    通讯作者:

    王芳, E-mail: wangfang@cttic.cn

  • 中图分类号: V221+.3;TB553

Bare soil circular polarization scattering properties for GNSS-R applications

Funds: 

National Natural Science Foundation of China 41501384

More Information
  • 摘要:

    GNSS-R是利用导航卫星的反射信号对地物参数进行遥感的新兴对地观测方式。针对其特有的圆极化散射方式,以双站散射的高级积分方程模型为工具,利用极化合成的方法将随机粗糙地表面圆极化散射模型转换为可以计算各种极化的微波散射模型。重点模拟分析了不同土壤水分含量下,裸土在不同观测几何时的圆极化散射特性。随机粗糙地表面圆极化散射模型的发展在某种程度上填补了GNSS-R领域机理模型的空缺,为后续土壤水分的进一步反演提供了机理工具。

     

  • 图 1  土壤介电常数实部和虚部随土壤水分体积含量变化关系

    Figure 1.  Real part and imaginary part of soil permittivity versus volumetric soil moisture

    图 2  圆极化和线极化随土壤水分体积含量变化关系

    Figure 2.  Circular polarization and linear polarization versus volumetric soil moisture

    图 3  非相干散射时圆极化和线极化随土壤水分体积含量百分比变化关系

    Figure 3.  Circular polarization and linear polarization versus volumetric soil moisture at noncoherent scattering

    图 4  RR和RL极化相干和非相干散射特性随入射角度变化

    Figure 4.  Coherent and noncoherent scattering properties of RR and RL polarization versus incidence angles

    图 5  不同极化BRCS随散射方位角的变化关系

    Figure 5.  Various polarization BRCS versus scattering azimuth angles

    图 6  不同极化BRCS随散射天顶角的变化关系

    Figure 6.  Various polarization BRCS versus scattering zenith angles

  • [1] WOOD E F.Global scale hydrology:Advances in land surface modeling[J].Reviews of Geophysics, 1991, 29(S1):193-201. doi: 10.1002/rog.1991.29.s1.193
    [2] KERR Y H, WALDTEUFEL P, WIGNERON J P, et al.Soil moisture retrieval from space:The soil moisture and ocean salinity (SMOS) mission[J].IEEE Transactions on Geoscience and Remote Sensing, 2001, 39(8):1729-1735. doi: 10.1109/36.942551
    [3] ENTEKHABI D, NJOKU E G, O'NEILL P E, et al.The soil moisture active passive (SMAP) mission[J].Proceedings of the IEEE, 2010, 98(5):704-716. doi: 10.1109/JPROC.2010.2043918
    [4] ZAVOROTNY V U, GLEASON S, CARDELLACH E, et al.Tutorial on remote sensing using GNSS bistatic radar of opportunity[J].IEEE Geoscience and Remote Sensing Magazine, 2014, 2(4):8-45. doi: 10.1109/MGRS.2014.2374220
    [5] CARDELLACH E, FABRA F, NOGUES-CORREIG O, et al.GNSS-R ground-based and airborne campaigns for ocean, land, ice, and snow techniques:Application to the GOLD-RTR data sets[J].Radio Science, 2011, 46(6):1-16. doi: 10.1029/2011RS004683
    [6] CHEW C, SHAH R, ZUFFADA C, et al.Demonstrating soil moisture remote sensing with observations from the UK TechDemoSat-1 satellite mission[J].Geophysical Research Letters, 2016, 43(7):3317-3324. doi: 10.1002/2016GL068189
    [7] CHEW C C, SMALL E E.Soil moisture sensing using spaceborne GNSS reflections:Comparison of CYGNSS reflectivity to SMAP soil moisture[J].Geophysical Research Letters, 2018, 45(9):4049-4057. doi: 10.1029/2018GL077905
    [8] 吴学睿, 李颖.GNSS-R陆面遥感中反射信号的极化特性研究[J].地球科学进展, 2012, 27(8):895-900. http://www.cnki.com.cn/Article/CJFDTotal-DXJZ201208008.htm

    WU X R, LI Y.GNSS-R land remote sensing about reflected signal's polarization characteristics[J].Advances in Earth Science, 2012, 27(8):895-900(in Chinese). http://www.cnki.com.cn/Article/CJFDTotal-DXJZ201208008.htm
    [9] WU X, JIN S.GNSS-Reflectometry:Forest canopies polarization scattering properties and modeling[J].Advances in Space Research, 2014, 54(5):863-870. doi: 10.1016/j.asr.2014.02.007
    [10] MASTERS D, AXELRAD P, KATZBERG S.Initial results of land-reflected GPS bistatic radar measurements in SMEX02[J].Remote Sensing of Environment, 2004, 92(4):507-520. doi: 10.1016/j.rse.2004.05.016
    [11] KATZBERG S J, TORRES O, GRANT M S, et al.Utilizing calibrated GPS reflected signals to estimate soil reflectivity and dielectric constant:Results from SMEX02[J].Remote Sensing of Environment, 2006, 100(1):17-28. doi: 10.1016/j.rse.2005.09.015
    [12] ZAVOROTNY V, MASTERS D, GASIEWSKI A, et al.Seasonal polarimetric measurements of soil moisture using tower-based GPS bistatic radar[C]//IEEE International Geoscience & Remote Sensing Symposium.Piscataway: IEEE Press, 2003: 7962360. http://ieeexplore.ieee.org/xpls/icp.jsp?arnumber=1293916
    [13] RODRIGUEZ-ALVAREZ N, BOSCH-LLUIS X, CAMPS A, et al.Soil moisture retrieval using GNSS-R techniques:Experimental results over a bare soil field[J].IEEE Transactions on Geoscience and Remote Sensing, 2009, 47(11):3616-3624. doi: 10.1109/TGRS.2009.2030672
    [14] RODRIGUEZ-ALVAREZ N, CAMPS A, VALL-LLOSSERA M, et al.Land geophysical parameters retrieval using the interference pattern GNSS-R technique[J].IEEE Transactions on Geoscience and Remote Sensing, 2011, 49(1):71-78. doi: 10.1109/TGRS.2010.2049023
    [15] RODRIGUEZ-ALVAREZ N, MARCHAN-HERNANDEZ J F, CAMPS A, et al.Soil moisture retrieval using GNSS-R techniques: Measurement campaign in a wheat field[C]//IEEE International Geoscience and Remote Sensing Symposium.Piscataway: IEEE Press, 2009: 10445297. http://ieeexplore.ieee.org/document/4778973/
    [16] ALONSO-ARROYO A, CAMPS A, AGUASCA A, et al.Improving the accuracy of soil moisture retrievals using the phase difference of the dual-polarization GNSS-R interference patterns[J].IEEE Geoscience and Remote Sensing Letters, 2014, 11(12):2090-2094. doi: 10.1109/LGRS.2014.2320052
    [17] EGIDO A, PALOSCIA S, MOTTE E, et al.Airborne GNSS-R polarimetric measurements for soil moisture and above-ground biomass estimation[J].IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2014, 7(5):1522-1532. doi: 10.1109/JSTARS.2014.2322854
    [18] JIA Y, SAVI P.Sensing soil moisture and vegetation using GNSS-R polarimetric measurement[J].Advances in Space Research, 2017, 59(3):858-869. doi: 10.1016/j.asr.2016.11.028
    [19] HSIEH C Y.Polarimetric bistatic scattering from random rough surfaces along azimuth angle[C]//International Conference on Microwave & Millimeter Wave Technology.Piscataway: IEEE Press, 1999: 591-594. doi: 10.1002/(SICI)1098-2760(20000520)25:4%3C271::AID-MOP14%3E3.0.CO;2-A/pdf
    [20] VORONOVICH A G, ZAVOROTNY V U.Full-polarization modeling of monostatic and bistatic radar scattering from a rough sea surface[J].IEEE Transactions on Antennas and Propagation, 2014, 62(3):1362-1371. doi: 10.1109/TAP.2013.2295235
    [21] HALLIKAINEN M T.Microwave dielectric behavior of wet soil.Part I:Empirical models and experimental observations[J].IEEE Transactions on Geoscience and Remote Sensing, 1985, 23(1):25-34. doi: 10.1109/tgrs.1985.289497
    [22] DOBSON M C.Microwave dielectric behavior of wet soil.Part Ⅱ:Dielectric-mixing models[J].IEEE Transactions on Geoscience and Remote Sensing, 1985, 23(1):35-46. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4072240
    [23] FUNG A K.Microwave scattering and emission models and their applications[M].Norwood:Artech House, 1994.
    [24] CHEN K, WU T, TSANG L.Emission of rough surfaces calculated by the integral equation method with comparison to three-dimensional moment method simulations[J].IEEE Transactions on Geoscience and Remote Sensing, 2003, 41(1):90-101. doi: 10.1109/TGRS.2002.807587
    [25] ULABY F T, ELACHI C.Radar polarimetry for geoscience applications[M].Norwood:Artech House, 1990.
  • 加载中
图(6)
计量
  • 文章访问数:  192
  • HTML全文浏览量:  2
  • PDF下载量:  47
  • 被引次数: 0
出版历程
  • 收稿日期:  2019-10-23
  • 录用日期:  2019-12-06
  • 刊出日期:  2020-10-20

目录

    /

    返回文章
    返回
    常见问答