Abstract

 
 
 
 Ground Penetrating Radar (GPR) is a nondestructive geophysical technique that uses electromagnetic waves to evaluate subsurface information. A GPR unit emits a short pulse of electromagnetic energy and is able to determine the presence or absence of a target by examining the reflected energy from that pulse. GPR is geophysical approach that use band of the radio spectrum. In this research the function of GPR has been summarized as survey different buried objects such as (Iron, Plastic(PVC), Aluminum) in specified depth about (0.5m) using antenna of 250 MHZ, the response of the each object can be recognized as its shapes, this recognition have been performed using image processing such as filtering. Where different filters like (DC adjustment, triangular FIR, delete mean trace, FIR) have been applied on output image as well as the simulation of the soil and the buried objects layers have been obtained using GPR simulation program.
 
 
 
Highlights
Ground Penetrating Radar (GPR) is one of the most promising and widely used techniques for close-range detection and identification for buried targets [1,2]
The obvious target is the detection of the buried object, which may have dielectric constant, electrical conductivity, and magnetic characteristics different from the soil material surrounding it on the outside or the air/water contained inside. These objects constructed of plastic (PVC), Iron and Aluminum. The detection of these objects can be achieved using Ground Penetrating Radar (GPR) survey, where an electromagnetic radio energy pulse was directed into the subsurface, followed by measurement of the elapsed time taken by the signal as it traveled downward from the transmitting antenna, partially reflected off a buried feature, and was eventually returned to the surface, where it was picked up by a receiving antenna
The process of detecting buried objects, which include Plastic (PVC), Aluminum and Iron carried out using Ground Penetration Radar as shown in Fig.4. where the form of radar waves reflected from the buried material and received by the scanning device can be notice
Summary
Ground Penetrating Radar (GPR) is one of the most promising and widely used techniques for close-range detection and identification for buried targets [1,2]. GPR functions by sending electromagnetic waves into the ground and by sampling the backscattered electromagnetic echoes which are affected by the permittivity , permeability and conductivity of the material beneath the ground. GPR has the ability to detect buried objects, including both metallic and non-metallic materials. GPR has increasingly been applied to the problems of locating pipes and cables, ice mapping, geographical surveying and landmine detection. One important consideration for developing a GPR system is the range resolution. The range resolution ( R ), i.e., the depth resolution for the GPR case, is related to the bandwidth B of the system and the propagation velocity v in the media. The relationship is given as [5]
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