An Unbalanced Sinuous Antenna for Near-Surface Polarimetric Ground-Penetrating Radar
Abstract
Sinuous antennas are capable of producing ultra-wideband radiation with polarization diversity. This capability makes the sinuous antenna an attractive candidate for UWB polarimetric radar applications. Additionally, the ability of the sinuous antenna to be implemented as a planar structure makes it a good fit for close-in sensing applications such as ground-penetrating radar (GPR). In this work, each arm of a four-port sinuous antenna is operated independently to achieve a quasi-monostatic antenna system capable of polarimetry while separating transmit and receive channels—which is often desirable in GPR systems. The quasi-monostatic configuration of the sinuous antenna reduces system size as well as prevents extreme bistatic angles, which may significantly reduce sensitivity when attempting to detect near-surface targets. A prototype four-port sinuous antenna is fabricated and integrated into a GPR testbed. The polarimetric data obtained with the antenna is then used to distinguish between buried target symmetries.
- Authors:
-
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Georgia Inst. of Technology, Atlanta, GA (United States). School of Electrical and Computer Engineering
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1650180
- Report Number(s):
- SAND2020-8502J
Journal ID: ISSN 2637-6431; 689987
- Grant/Contract Number:
- AC04-94AL85000; NA0003525
- Resource Type:
- Accepted Manuscript
- Journal Name:
- IEEE Open Journal of Antennas and Propagation
- Additional Journal Information:
- Journal Volume: 1; Journal ID: ISSN 2637-6431
- Publisher:
- IEEE
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; ground penetrating radar; transmission line matrix methods; radar antennas; ultra wideband antennas; impedance; antennas; broadband antennas; sinuous antennas
Citation Formats
Crocker, Dylan A., and Scott, Waymond R. An Unbalanced Sinuous Antenna for Near-Surface Polarimetric Ground-Penetrating Radar. United States: N. p., 2020.
Web. doi:10.1109/ojap.2020.3015802.
Crocker, Dylan A., & Scott, Waymond R. An Unbalanced Sinuous Antenna for Near-Surface Polarimetric Ground-Penetrating Radar. United States. https://doi.org/10.1109/ojap.2020.3015802
Crocker, Dylan A., and Scott, Waymond R. Tue .
"An Unbalanced Sinuous Antenna for Near-Surface Polarimetric Ground-Penetrating Radar". United States. https://doi.org/10.1109/ojap.2020.3015802. https://www.osti.gov/servlets/purl/1650180.
@article{osti_1650180,
title = {An Unbalanced Sinuous Antenna for Near-Surface Polarimetric Ground-Penetrating Radar},
author = {Crocker, Dylan A. and Scott, Waymond R.},
abstractNote = {Sinuous antennas are capable of producing ultra-wideband radiation with polarization diversity. This capability makes the sinuous antenna an attractive candidate for UWB polarimetric radar applications. Additionally, the ability of the sinuous antenna to be implemented as a planar structure makes it a good fit for close-in sensing applications such as ground-penetrating radar (GPR). In this work, each arm of a four-port sinuous antenna is operated independently to achieve a quasi-monostatic antenna system capable of polarimetry while separating transmit and receive channels—which is often desirable in GPR systems. The quasi-monostatic configuration of the sinuous antenna reduces system size as well as prevents extreme bistatic angles, which may significantly reduce sensitivity when attempting to detect near-surface targets. A prototype four-port sinuous antenna is fabricated and integrated into a GPR testbed. The polarimetric data obtained with the antenna is then used to distinguish between buried target symmetries.},
doi = {10.1109/ojap.2020.3015802},
journal = {IEEE Open Journal of Antennas and Propagation},
number = ,
volume = 1,
place = {United States},
year = {Tue Aug 11 00:00:00 EDT 2020},
month = {Tue Aug 11 00:00:00 EDT 2020}
}
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