Journal
JOURNAL OF APPLIED GEOPHYSICS
Volume 67, Issue 4, Pages 367-373Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jappgeo.2008.05.003
Keywords
GPR; Bowtie antennas; Horizontal resolution; Vertical resolution
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Since target reflections directly depend on the emitted Pulse characteristics, a key factor for carrying out a successful GPR Survey is to know as Much as possible about the transmission features of the antennas used. This information is very important in order to choose the right antennas and set the appropriate Configuration parameters for a Specific survey. With this in mind this paper deals with the development of a set of laboratory experiments on the resolution capabilities of three bowtie antennas at frequencies of 500, 800 and 1000 MHz. Results from these measurements give a first estimation of the resolution of the antennas Under test, showing the advantage of performing experiments rather than relying, only on theoretical assumptions. The results are also expressed in terms of the central wavelength for each antenna and compared with some theoretical estimations proposed in the specialized bibliography. (C) 2008 Elsevier B.V. All rights reserved.
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