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

Brian Karlsen; Jan Larsen; Kaj Bjarne Jakobsen; Helge B.D. Sorensen; Steffan Abrahamson

doi:10.1117/12.396230

22 August 2000 Antenna characteristics and air-ground interface de-embedding methods for stepped-frequency ground-penetrating radar measurements

Brian Karlsen, Jan Larsen, Kaj Bjarne Jakobsen, Helge B.D. Sorensen, Steffan Abrahamson

Author Affiliations +

Proceedings Volume 4038, Detection and Remediation Technologies for Mines and Minelike Targets V; (2000) https://doi.org/10.1117/12.396230
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

The result form 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 evaluate on field-test data obtained from measurements on a large-scale in-door test field.

Citation Download Citation

Brian Karlsen, Jan Larsen, Kaj Bjarne Jakobsen, Helge B.D. Sorensen, and Steffan Abrahamson "Antenna characteristics and air-ground interface de-embedding methods for stepped-frequency ground-penetrating radar measurements", Proc. SPIE 4038, Detection and Remediation Technologies for Mines and Minelike Targets V, (22 August 2000); https://doi.org/10.1117/12.396230

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