Elements of a continuous-wave borehole radar. Final report
Author(s) -
T.W.H. Caffey
Publication year - 1997
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/537258
Subject(s) - borehole , azimuth , geology , radar , antenna (radio) , acoustics , remote sensing , geothermal gradient , seismology , engineering , aerospace engineering , optics , geophysics , telecommunications , physics , geotechnical engineering
The theory is developed for the antenna array for a proposed continuous-wave, ground-penetrating radar for use in a borehole, and field measurements are presented. Accomplishments include the underground measurement of the transmitting beam in the azimuth plane, active azimuth-steering of the transmitting beam, and the development of a range-to-target algorithm. The excellent performance of the antenna array supports the concept of a continuous-wave borehole radar. A field-prototype should be developed for use in both geothermal zones and for the exploration and recovery of oil and gas
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