Backscattering from Multilayer Soil and Its Application to Deep Soil Moisture Estimation

[1] Fransson J E S, Walter F, and Ulander L M H. Estimation offorest parameters using CARABAS-I1 VHF SAR data[J].IEEETrans. on Geoscience and Remote Sensing.2000, 38(2):720-727 [2] Moller D, Rodriguez E, Moghaddam M, and Hoffman J. Adual low frequency radar for sub-canopy and deepsoil-moisture measurements, Big Sky Conference, Montana,2003: 1102-1113. [3] 成跃进. P波段SAR的独特作用及意义[J]. 空间电子技术,1996, 1: 41-42. [4] Peplinski N R, Ulaby F T, and Dobson M C. Dielectricproperties of soils in the 0.3-1.3 GHz range. IEEE Trans. onGeoscience and Remote Sensing, 1995, 33(3): 803-807. [5] Ulaby F T, Moore R K, and Fung A K. Microwave RemoteSensing. Massachusetts: Artech House, 1990, vol. 2, chapter11. [6] Fuks I M. Radar contrast polarization dependence onsubsurface sensing.[J].Proc. IGARSS98, Seattle.1998,:- [7] 李宗谦，冯孔豫. 从雷达后向散射系数反演土壤湿度与复介电常数[J]. 中国科学, 1997, 27(3): 243-248. [8] Kong J A. Electromagnetic wave theory [M]. New York:Wiley-Interscience, 1986, chapter 6. [9] 张晓娟，张文吉，路晓容，康高健，方广有. 双频多极化SAR测量深层土壤湿度. 电子信息学报, 2007, 29(11): 2711-2714.