Antenna characteristics and air-ground interface deembedding methods for stepped-frequency ground-penetrating radar measurements

Brian Karlsen, Jan Larsen, Kaj Bjarne Jakobsen, Helge Bjarup Dissing Sørensen, Staffan Abrahamson

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The result from field-tests using a Stepped-Frequency Ground Penetrating Radar (SF-GPR) and promising antenna and air-ground deembedding methods for a SF-GPR is presented. A monostatic S-band rectangular waveguide antenna was used in the field-tests. The advantages of the SF-GPR, e.g., amplitude and phase information in the SF-GPR signal, is used to deembed the characteristics of the antenna. We propose a new air-to-ground interface deembedding technique based on Principal Component Analysis which enables enhancement of the SF-GPR signal from buried objects, e.g., anti-personal landmines. The methods are successfully evaluated on field-test data obtained from measurements on a large-scale in-door test field.
Original languageEnglish
JournalProceedings of SPIE, the International Society for Optical Engineering
Volume4038
Pages (from-to)1420-30
ISSN0277-786X
DOIs
Publication statusPublished - 2000

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