Echo Extraction Method for a Ground Penetrating Radar

摘要

The dieffectric permittivity of the ground and the radius of a buried cylindric pipe can be estimated from the echo profile of a ground penetrating radar by using pattern recognition technique. In the practical deffection, the echo profile of a specific cylindric pipe is usually mixed with the reflection from some nearby objects. In this research, the echo profile of a specific cylindric pipe is extracted from GPR image base on F-K migration method and its inverse transform. Some numerical simulations are carried out to show the validity of the proposed method.