Clutter Modeling for Ground-Penetrating Radar Measurements in Heterogeneous Soils. - Kazunori Takahashi; Jan Igel; Holger Preetz (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2011)

Influence of Heterogeneous Soils and Clutter on the Performance of Ground-Penetrating Radar for Landmine Detection. - Kazunori Takahashi; Jan Igel; Holger Preetz; Motoyuki Sato (IEEE Trans. Geosci. Remote. Sens., 2014)

Spectral Decomposition of Soil Electrical and Dielectric Losses and Prediction of In Situ GPR Performance. - Markus Loewer; Jan Igel; Norman Wagner (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016)

Measuring Complex Permittivity of Soils By Coaxial Transmission Line Method and FDTD. - Kazunori Takahashi; Chisato Konishi; Markus Loewer; Jan Igel (IGARSS, 2018)