923 resultados para automated full waveform logging system
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Thesis (M.S.)--University of Illinois at Urbana-Champaign.
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Mode of access: Internet.
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"B-271929"--P. 1.
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Mode of access: Internet.
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Includes bibliographical references.
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"Cat. no. 10069T."
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Absorbed by the People's year book in 1919.
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"1 January 1985."
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Includes index.
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Includes indexes.
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"13 May 1985"--[Vol. 2].
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"15 November 1985."
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Mode of access: Internet.
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While the retrieval of existing designs to prevent unnecessary duplication of parts is a recognised strategy in the control of design costs the available techniques to achieve this, even in product data management systems, are limited in performance or require large resources. A novel system has been developed based on a new version of an existing coding system (CAMAC) that allows automatic coding of engineering drawings and their subsequent retrieval using a drawing of the desired component as the input. The ability to find designs using a detail drawing rather than textual descriptions is a significant achievement in itself. Previous testing of the system has demonstrated this capability but if a means could be found to find parts from a simple sketch then its practical application would be much more effective. This paper describes the development and testing of such a search capability using a database of over 3000 engineering components.