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Proceedings Paper

Study of the conical spiral antenna for use in ground-penetrating radars: initial results
Author(s): Thorsten W. Hertel; Glenn S. Smith
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Paper Abstract

In this paper, we examine the conical spiral antenna (CSA) for use in ground-penetrating radars (GPR). When this antenna is isolated in free space, its performance, e.g., input impedance, is nearly frequency independent over a broad range of frequencies, and it has a nearly unidirectional far-field pattern with circular polarization. An antenna with these characteristics would be useful for application in GPRs. However, in a GPR the antenna is placed close to the ground, and the near field of the antenna in the air and ground is of primary importance, not the far field. It is not clear that the desirable characteristics of the CSA in free space, mentioned above, will be preserve din this new situation. This is the motivation for the research described in this paper.

Paper Details

Date Published: 22 August 2000
PDF: 11 pages
Proc. SPIE 4038, Detection and Remediation Technologies for Mines and Minelike Targets V, (22 August 2000); doi: 10.1117/12.396190
Show Author Affiliations
Thorsten W. Hertel, Georgia Institute of Technology (United States)
Glenn S. Smith, Georgia Institute of Technology (United States)


Published in SPIE Proceedings Vol. 4038:
Detection and Remediation Technologies for Mines and Minelike Targets V
Abinash C. Dubey; James F. Harvey; J. Thomas Broach; Regina E. Dugan, Editor(s)

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