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Sensors 2009, 9(3), 1454-1470; doi:10.3390/s90301454

Waveform Analysis of UWB GPR Antennas

Natural Resources & Environmental Engineering, EUET Forestal. University of Vigo. Campus A Xunqueira s/n. 36005 Pontevedra, Spain
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Received: 13 February 2009 / Revised: 23 February 2009 / Accepted: 24 February 2009 / Published: 3 March 2009
(This article belongs to the Section Remote Sensors)
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Abstract

Ground Penetrating Radar (GPR) systems fall into the category of ultra-wideband (UWB) devices. Most GPR equipment covers a frequency range between an octave and a decade by using short-time pulses. Each signal recorded by a GPR gathers a temporal log of attenuated and distorted versions of these pulses (due to the effect of the propagation medium) plus possible electromagnetic interferences and noise. In order to make a good interpretation of this data and extract the most possible information during processing, a deep knowledge of the wavelet emitted by the antennas is essential. Moreover, some advanced processing techniques require specific knowledge of this signal to obtain satisfactory results. In this work, we carried out a series of tests in order to determine the source wavelet emitted by a ground-coupled antenna with a 500 MHz central frequency. View Full-Text
Keywords: Bow-tie antenna; source wavelet; time domain; frequency domain Bow-tie antenna; source wavelet; time domain; frequency domain
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Rial, F.I.; Lorenzo, H.; Pereira, M.; Armesto, J. Waveform Analysis of UWB GPR Antennas. Sensors 2009, 9, 1454-1470.

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