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Application of MUSIC Algorithm to Localization of Cylindrical Targets Using Cross Borehole Radar Measurement
Takashi MIWA Ikuo ARAI
IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
array signal processing, super-resolution, radar imaging, underground electromagnetic propagation, borehole radar,
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This paper presents an imaging technique using the MUSIC algorithm to localize cylindrical reflectors in cross-borehole radar arrangements. Tomographic measurement, in which a transmitting and a receiving antenna are individually moved in separate boreholes, can be considered as a combination of a transmitting and a receiving array. A decorrelation technique with the transmitting array, which has been proposed for imaging point reflectors, is applied for imaging cylindrical reflectors using the MUSIC algorithm. Simulated and experimental results are shown to verify the validity of this algorithm for cylindrical targets. We analyze the evaluation error caused by the increase in the radius of the cylinder.