Modelling the propagation of a radar signal through concrete as a low-pass filter
The knowledge of how a dispersive, dielectric medium such as concrete affects a propagating short electromagnetic pulse used in ground penetrating radar (GPR) is helpful both in the interpretation of radar results and in the prediction/modelling of expected radar measurements. Although there are a...
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my.utm.67262010-06-01T15:46:35Z http://eprints.utm.my/id/eprint/6726/ Modelling the propagation of a radar signal through concrete as a low-pass filter Shaari, A. Millard, S. G. Bungey, J. H. TA Engineering (General). Civil engineering (General) The knowledge of how a dispersive, dielectric medium such as concrete affects a propagating short electromagnetic pulse used in ground penetrating radar (GPR) is helpful both in the interpretation of radar results and in the prediction/modelling of expected radar measurements. Although there are a number of published results on the frequency-dependent, dielectric properties of media such as concrete and soils, the use of this information is still relatively small, primarily due the lack of a reliable method of applying these properties to propagating radar pulses. Modelling the dielectric medium as low-pass filter is one solution to this difficulty. In this paper the propagation of short pulses in concrete with known frequency-dependent properties is studied. The extent of how the pulses are attenuated and distorted is analysed and the implications on GPR applications are also discussed Elsevier Ltd 2004 Article PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/6726/1/AmiruddinShaari2004_ModellingthePropagationofa.pdf Shaari, A. and Millard, S. G. and Bungey, J. H. (2004) Modelling the propagation of a radar signal through concrete as a low-pass filter. NDT&E International, 37 . pp. 237-242. http://dx.doi.org/10.1016/j.ndteint.2003.09.009 10.1016/j.ndteint.2003.09.009 |
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TA Engineering (General). Civil engineering (General) Shaari, A. Millard, S. G. Bungey, J. H. Modelling the propagation of a radar signal through concrete as a low-pass filter |
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The knowledge of how a dispersive, dielectric medium such as concrete affects a propagating short electromagnetic pulse used in ground penetrating radar (GPR) is helpful both in the interpretation of radar results and in the prediction/modelling of expected radar measurements.
Although there are a number of published results on the frequency-dependent, dielectric properties of media such as concrete and soils, the use of this information is still relatively small, primarily due the lack of a reliable method of applying these properties to propagating radar
pulses. Modelling the dielectric medium as low-pass filter is one solution to this difficulty. In this paper the propagation of short pulses in concrete with known frequency-dependent properties is studied. The extent of how the pulses are attenuated and distorted is analysed and the implications on GPR applications are also discussed
|
format |
Article |
author |
Shaari, A. Millard, S. G. Bungey, J. H. |
author_facet |
Shaari, A. Millard, S. G. Bungey, J. H. |
author_sort |
Shaari, A. |
title |
Modelling the propagation of a radar signal through concrete as a low-pass filter |
title_short |
Modelling the propagation of a radar signal through concrete as a low-pass filter |
title_full |
Modelling the propagation of a radar signal through concrete as a low-pass filter |
title_fullStr |
Modelling the propagation of a radar signal through concrete as a low-pass filter |
title_full_unstemmed |
Modelling the propagation of a radar signal through concrete as a low-pass filter |
title_sort |
modelling the propagation of a radar signal through concrete as a low-pass filter |
publisher |
Elsevier Ltd |
publishDate |
2004 |
url |
http://eprints.utm.my/id/eprint/6726/1/AmiruddinShaari2004_ModellingthePropagationofa.pdf http://eprints.utm.my/id/eprint/6726/ http://dx.doi.org/10.1016/j.ndteint.2003.09.009 |
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