Calculation of distance and angles between two boreholes & reconstruction of permittivity and conductivity yomogram from in situ measured electromagnetic fields두 지하 시추공으로부터 측정된 전자파를 이용한 두 시추공 사이의 거리와 각도계산 및 유전율과 도전율의 단층 영상 구현

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Two cross-borehole multi-frequency continuous-wave radar measures the amplitudes and phases of the transmitted fields. This makes it possible to calculate the distance between two boreholes and relative angles of one to the other borehole from parallel, plus and minus offset measurements. Using calculated distance and angles, it is also possible to calculate the permittivity and conductivity averaged along the line connecting two boreholes from measured data. Backprojections of calculated line-averaged permittivities and conductivities in the parallel and offset measurements give stable and smooth tomograms of subsurface permittivities and conductivities, except for isolated high contrast objects such as the air tunnel.
Advisors
Eom, Hyo-Joonresearcher엄효준researcher
Description
한국과학기술원 : 전기및전자공학전공,
Publisher
한국과학기술원
Issue Date
2004
Identifier
238466/325007  / 020023466
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전기및전자공학전공, 2004.2, [ vi, 52 p. ]

Keywords

TOMOGRAM; BOREHOLE; 시추공; 단층 영상 구현

URI
http://hdl.handle.net/10203/37789
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=238466&flag=dissertation
Appears in Collection
EE-Theses_Master(석사논문)
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