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[文献書誌] S.Ebihara,M.Sato and H.Niitsuma: "Super-resolution of Coherent Targets by a Directional Borehole Radar"IEEE Transactions on Geoscinence and Remote Sensing. Vol.38,NO.4,Part 1. 1125-1732 (2000)
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[文献書誌] S.Ebihara and M.Sato: "Electromagnetic analysis and experiments for directional borehole radar using optical electric field sensors"Proceedings of the Sixth Well Logging Symposium of Japan, Chiba, Japan, September 27-28,2000. 1-8 (2000)
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[文献書誌] S.Ebihara and M.Sato: "Directional borehole radar using a dipole antenna array"Proceedings of the eighth international conference on ground penetrating radar, Gold Coast, Australia,23-26 May,2000.. 718-722 (2000)