File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Detection of buried targets using a new enhanced very early time electromagnetic (VETEM) prototype system

TitleDetection of buried targets using a new enhanced very early time electromagnetic (VETEM) prototype system
Authors
KeywordsBuried Object Detection
Conjugate Gradient Fast Fourier Transform (Cg-Fft)
Electromagnetic Scattering
Frequency Hopping
Loop Antennas
Loop-Tree Basis
Low Frequencies
Numerical Analysis
Issue Date2001
Citation
Ieee Transactions On Geoscience And Remote Sensing, 2001, v. 39 n. 12, p. 2702-2712 How to Cite?
AbstractIn this paper, numerical simulations of a new enhanced very early time electromagnetic (VETEM) prototype system are presented, where a horizontal transmitting loop and two horizontal receiving loops are used to detect buried targets, in which three loops share the same axis and the transmitter is located at the center of receivers. In the new VETEM system, the difference of signals from two receivers is taken to eliminate strong direct-signals from the transmitter and background clutter and furthermore to obtain a better SNR for buried targets. Because strong coupling exists between the transmitter and receivers, accurate analysis of the three-loop antenna system is required, for which a loop-tree basis function method has been utilized to overcome the low-frequency breakdown problem. In the analysis of scattering problem from buried targets, a conjugate gradient (CG) method with fast Fourier transform (FFT) is applied to solve the electric field integral equation. However, the convergence of such CG-FFT algorithm is extremely slow at very low frequencies. In order to increase the convergence rate, a frequency-hopping approach has been used. Finally, the primary, coupling, reflected, and scattered magnetic fields are evaluated at receiving loops to calculate the output electric current. Numerous simulation results are given to interpret the new VETEM system. Comparing with other single-transmitter-receiver systems, the new VETEM has better SNR and ability to reduce the clutter.
Persistent Identifierhttp://hdl.handle.net/10722/182658
ISSN
2015 Impact Factor: 3.36
2015 SCImago Journal Rankings: 1.975
References

 

DC FieldValueLanguage
dc.contributor.authorCui, TJen_US
dc.contributor.authorChew, WCen_US
dc.contributor.authorAydiner, AAen_US
dc.contributor.authorWright, DLen_US
dc.contributor.authorSmith, DVen_US
dc.date.accessioned2013-05-02T05:16:19Z-
dc.date.available2013-05-02T05:16:19Z-
dc.date.issued2001en_US
dc.identifier.citationIeee Transactions On Geoscience And Remote Sensing, 2001, v. 39 n. 12, p. 2702-2712en_US
dc.identifier.issn0196-2892en_US
dc.identifier.urihttp://hdl.handle.net/10722/182658-
dc.description.abstractIn this paper, numerical simulations of a new enhanced very early time electromagnetic (VETEM) prototype system are presented, where a horizontal transmitting loop and two horizontal receiving loops are used to detect buried targets, in which three loops share the same axis and the transmitter is located at the center of receivers. In the new VETEM system, the difference of signals from two receivers is taken to eliminate strong direct-signals from the transmitter and background clutter and furthermore to obtain a better SNR for buried targets. Because strong coupling exists between the transmitter and receivers, accurate analysis of the three-loop antenna system is required, for which a loop-tree basis function method has been utilized to overcome the low-frequency breakdown problem. In the analysis of scattering problem from buried targets, a conjugate gradient (CG) method with fast Fourier transform (FFT) is applied to solve the electric field integral equation. However, the convergence of such CG-FFT algorithm is extremely slow at very low frequencies. In order to increase the convergence rate, a frequency-hopping approach has been used. Finally, the primary, coupling, reflected, and scattered magnetic fields are evaluated at receiving loops to calculate the output electric current. Numerous simulation results are given to interpret the new VETEM system. Comparing with other single-transmitter-receiver systems, the new VETEM has better SNR and ability to reduce the clutter.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Geoscience and Remote Sensingen_US
dc.subjectBuried Object Detectionen_US
dc.subjectConjugate Gradient Fast Fourier Transform (Cg-Fft)en_US
dc.subjectElectromagnetic Scatteringen_US
dc.subjectFrequency Hoppingen_US
dc.subjectLoop Antennasen_US
dc.subjectLoop-Tree Basisen_US
dc.subjectLow Frequenciesen_US
dc.subjectNumerical Analysisen_US
dc.titleDetection of buried targets using a new enhanced very early time electromagnetic (VETEM) prototype systemen_US
dc.typeArticleen_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/36.975004en_US
dc.identifier.scopuseid_2-s2.0-0035696791en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035696791&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume39en_US
dc.identifier.issue12en_US
dc.identifier.spage2702en_US
dc.identifier.epage2712en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridCui, TJ=7103095470en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US
dc.identifier.scopusauthoridAydiner, AA=7004153439en_US
dc.identifier.scopusauthoridWright, DL=14053113300en_US
dc.identifier.scopusauthoridSmith, DV=35614716500en_US

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats