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geophysical diffraction tomography (tomography, radiography, ... Processes and Techniques (hierarchy name)) |
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Note: Technique used to create images of objects, structures, or other features located underground at relatively shallow depths, by bouncing sound waves off the features from several different positions, collecting and processing the signals to get a number of partial views, then focusing and combining these partial views to create a complete image; developed by Alan J. Witten between 1984 and 1987.
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| Terms: |
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| geophysical diffraction tomography (preferred,C,U,English-P,D,U,U)
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| diffraction tomography, geophysical (C,U,English,UF,U,U)
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| GDT (C,U,English,UF,U,U)
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| tomography, geophysical diffraction (C,U,English,UF,U,U)
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| 地球物理繞射層析成像術 (C,U,Chinese (traditional)-P,D,U,U)
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| dì qiú wù lǐ yǎn shè céng xī chéng xiàng shù (C,U,Chinese (transliterated Hanyu Pinyin)-P,UF,U,U)
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| di qiu wu li rao she ceng xi cheng xiang shu (C,U,Chinese (transliterated Pinyin without tones)-P,UF,U,U)
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| ti ch'iu wu li yan she ts'eng hsi ch'eng hsiang shu (C,U,Chinese (transliterated Wade-Giles)-P,UF,U,U)
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| geofysische diffractietomografie (C,U,Dutch-P,D,U,U)
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| tomografía de difracción geofísica (C,U,Spanish-P,D,U,U)
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| geofísica (C,U,Spanish,AD,U,U)
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Facet/Hierarchy Code: K.KT |
Hierarchical Position:
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Activities Facet |
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.... Processes and Techniques (hierarchy name) (G) |
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........ <processes and techniques by specific type> (G) |
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............ <image-making processes and techniques> (G) |
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................ <photography and photographic processes and techniques> (G) |
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.................... photographic techniques (G) |
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........................ picture-taking techniques (G) |
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............................ <picture-taking techniques by radiation type> (G) |
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................................ radiography (G) |
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.................................... tomography (G) |
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........................................ geophysical diffraction tomography (G) |
Additional Notes: |
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| Chinese (traditional) ..... 用來製作淺埋地下之物件、結構或其他特徵等圖像的技術。透過從特徵物不同位置反彈出的聲波，收集並處理這些訊號以取得部分視像，之後再聚焦和結合這些部分視像，製作出一個完整的圖像。該技術為艾倫˙維坦（Alan J. Witten）於1984至1987年間所研發。 |
| Dutch ..... Te gebruiken voor een techniek waarmee afbeeldingen worden gemaakt van objecten, constructies of andere kenmerken die zich ondergronds vlak onder de oppervlakte bevinden, door geluidsgolven vanuit verschillende hoeken op de objecten af te sturen en de signalen op te vangen en te verwerken om een aantal deelweergaven te verkrijgen. Deze worden vervolgens gecombineerd om een volledig beeld te krijgen. Tussen 1984 en 1987 ontwikkeld door Alan J. Witten. |
| Spanish ..... Técnica que ocupa la formación de imageas a partir de la dispeción que sufre un rayo u onda sobre una superficie u obstáculo que se interpone en su camino, con lo que invade la sombra geométrica del obstáculo, en la corteza terrestre. |
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Sources and Contributors: |
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| GDT............ |
[VP] |
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Archaeology (1948-) illustration, Vol. 4, No. 2, 40, March/apr 96. Lvy, Witten & Alon article |
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Geophysics (1968-) Vol. 5, No. 1, 187, Jan 92 witten et al. |
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Geotimes (1956-) Vol. 4, No. 1, 14, Jn 95 Witten article |
| geophysical diffraction tomography............ |
[GCI Preferred, VP Preferred] |
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AATA database (2002-) 124174 checked 26 January 2012 |
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Archaeology (1948-) illustration, Vol. 4, No. 2, 40, March/Apr 96. Lvy, Witten,& Alon, "Dnizens of the Deep." |
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Avery Index (1963-) |
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Contributed as a candidate term Candidate term -- Aery -- 9/95. Search in GEOREF database 9/8/95 retrieved 7 citationsbydiffauthors. |
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Geophysics (1968-) Vol. 5, No. 1, 187, Jn 92 Witten et al. "Geophysical Dffraction Tomography at a Dnosaur Site." |
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Geotimes (1956-) Vol. 4, No. 1, 14, Jn 95 Witten, "Exploring Earth's Shallow Subsurface with Gophysical Dffraction Tomography." |
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