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Title:
DIELECTRIC BOUNDARY SURFACE ESTIMATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/042655
Kind Code:
A1
Abstract:
A dielectric boundary surface estimation device (100) is provided with a pre-processing unit (300) for performing pre-processing of wave motion data obtained by observation of a dielectric by a radar device, a three-dimensional-synthetic-aperture processing unit (400) for performing three-dimensional-synthetic-aperture processing of the wave motion data pre-processed by the pre-processing unit (300), and a dielectric boundary surface estimation unit (500) for estimating a boundary surface for which the dielectric constant of the dielectric differs and calculating the width and thickness of the boundary surface using the wave motion data subjected to three-dimensional-synthetic-aperture processing by the three-dimensional-synthetic-aperture processing unit (400).

Inventors:
HOSHINO TAKEHIRO (JP)
HARA TERUYUKI (JP)
Application Number:
PCT/JP2016/075981
Publication Date:
March 08, 2018
Filing Date:
September 05, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01S13/88; G01B15/00; G01S13/90; G01V3/12
Foreign References:
JPH11271440A1999-10-08
JP2004198195A2004-07-15
JP2005233783A2005-09-02
JP2015021823A2015-02-02
JP2004286461A2004-10-14
US5835054A1998-11-10
JP2015197398A2015-11-09
Other References:
HIROAI ASAMI ET AL.: "SAR Gazo Saisei Shori no Kotei Shosu Tensu ni yoru Kairo Jisso Kogataka", THE TRANSACTIONS OF THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS B, vol. J97-B, no. 8, 1 August 2014 (2014-08-01), pages 660 - 668, XP009511907, ISSN: 0913-5715
KAZUO OUCHI, REMOTE SENSING NO TAMENO GOSEI KAIKO RADAR NO KISO, vol. 2, 20 June 2009 (2009-06-20), pages 91 - 93, 193-195, XP009511953, ISBN: 9784501327101
KYOJI DOI ET AL.: "A study on horizontal slice imaging of subsurface radar's output (SANE 97-75)", IEICE TECHNICAL REPORT. SANE, vol. 97, no. 377, 17 November 1997 (1997-11-17), pages 1 - 5, XP009511905
TAKEHIRO HOSHINO ET AL.: "A Feasibility Study for Detecting Crack of Concrete with Synthetic Aperture Radar", TRANSACTIONS OF THE SOCIETY OF INSTRUMENT AND CONTROL ENGINEERS, vol. 52, no. 6, 30 June 2016 (2016-06-30), pages 348 - 357, XP009511904, DOI: 10.9746/sicetr.52.348
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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