Robinson D A, Jones S B, Wraith J M, et al. A review of advances in dielectric and electrical conductivity measurement in soils using time domain reflectometry[J]. Vadose Zone Journal, 2003, 2(4):444-475.
[5]
Heitman J L, Horton R, Ren T, et al. An improved approach for measurement of coupled heat and water transfer in soil cells [J]. Soil Sci. SOc. Am. J., 2007,71(3):872-880.
[6]
Huisman J A, Lin C P, Weihermiiller L, et al. Accuracy of bulk electrical conductivity measurements with time domain reflectometry [J]. Vadose Zone Journal, 2008, 7(2) : 426- 433.
[7]
Thompson R B, Gallardo M, Ferndndez M D, et al. Salinity effects on soil moisture measurement made with a capacitance sensor[J]. Soil Sci. Soc. Am. J., 2007,71(6):1647-1657.
[8]
Ruengwaree Amnoiy, Ghose Abhijit, Weide Jurgen, et al. Ultra-fast pulse transmitter for UWB microwave radar[C]// Proceedings of the 3rd European Radar Conference, 2006.
