Concrete pavement forward computation of GPR with FDTD

This paper provides the implementing procedure of finite-difference in time domain (FDTD) for forward computation of Ground-penetrating radar (GPR). The proposed method is implemented by taking into account the stability criterion and the perfect matched layer (PML) and using the MATLAB code. The code applied in modeling the GPR for Pavement detection such as non-defects pavement, the concrete thickness change of pavement and cavity in concrete pavement, results shows the code is feasibility and reason for the concrete pavement forward computation of GPR.