International Journal of Antennas and Propagation / 2012 / Article / Fig 4

Research Article

Modeling of GPR Clutter Caused by Soil Heterogeneity

Figure 4

(a) Spatial variation of the relative permittivity of topsoil up to 10 cm depth measured by a time domain reflectometry (TDR) on the first 1 m of the profile with 2 cm spacing and (b) the mean permittivity of the TDR measurements. Volumetric water content is calculated from permittivity by Topp’s equation [18].
643430.fig.004a
(a)
643430.fig.004b
(b)

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