Abstract

The aim of this work is studying the influence the distance between the antenna of ground penetrating radar (GPR) on quality of the signals and ability to detection the targets buried. We used for the modelling of behavior the signal by development the code on GprMax2d program. The distances different has used in this work and frequencies different. In this work we will simulate the operation of GPR using the common source point mode where the source is fixed and the receiver moved along the inspection profile for three values of the distance between the antennas. The simulations were performed for three different frequencies.

Highlights

  • The Ground Penetration Radar (GPR) is a very effective tool to detect and identify objects buried under the ground; it is effective to map structures and features buried in the ground

  • We study the effect of the distance on the direct coupling on a bistatic configuration [13-14]

  • The radargram obtained in figure 1 (b) shows two hyperboles that indicates the presence of the two objects and lines above at a depth 20cm are caused by the direct wave between the two antennas

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Summary

Introduction

The Ground Penetration Radar (GPR) is a very effective tool to detect and identify objects buried under the ground; it is effective to map structures and features buried in the ground. The GPR works by emitting an electromagnetic wave into the ground and recording the echoes that result from subsurface objects. In the case of monostatic configuration, the GPR use a single antenna to transmit and receive, and for the bistatic configuration, the transmitter and the receivers are separated from each other spatially. The main advantages of the bistatic configuration is the possibility to imagine different scenarios to record the GPR data. The GPR data are affected by noise and interference caused by various sources. Boulders, animal burrows, tree roots, and other phenomena can cause unwanted reflections or scattering phenomena. In the case of urban environment, sources of noise can include reflections from nearby vehicles, buildings, fences, power lines, and trees

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