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Browsing by Keyword "Calibration"

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Browsing by Keyword "Calibration"

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  • Stanton, Timothy K.; Chu, Dezhang (Acoustical Society of America, 2008-07)
    When calibrating a broadband active acoustic system with a single standard target such as a sphere, the inherent resonances associated with the scattering by the sphere pose a significant challenge. In this paper, a method ...
  • Foote, Kenneth G.; Francis, David T. I.; Atkins, Philip R. (Acoustical Society of America, 2007-03)
    The problem of calibrating parametric sonar systems at low difference frequencies used in backscattering applications is addressed. A particular parametric sonar is considered: the Simrad TOPAS PS18 Parametric Sub-bottom ...
  • Huppert, Amit; Solow, Andrew R. (Royal Society, 2004-04-19)
    Fossil beetle remains have been used to reconstruct temperatures. One method by which these reconstructions are made--the Mutual Climatic Range method--is based on the overlap of the observed modern climatic ranges of the ...
  • Foote, Kenneth G. (Acoustical Society of America, 1982-03)
    An operational definition of backscattering cross section is developed for the wideband reception of finite echoes. This is supported by relative measurements on a set of copper spheres by each of four echo sounders operating ...
  • Foote, Kenneth G.; Chu, Dezhang; Hammar, Terence R.; Baldwin, Kenneth C.; Mayer, Larry A.; Hufnagle, Lawrence C.; Jech, J. Michael (Acoustical Society of America, 2005-04)
    Development of protocols for calibrating multibeam sonar by means of the standard-target method is documented. Particular systems used in the development work included three that provide the water-column signals, namely ...
  • Hendry, Katharine R.; Leng, Melanie J.; Robinson, Laura F.; Sloane, Hilary J.; Blusztajn, Jerzy S.; Rickaby, Rosalind E. M.; Georg, R. Bastian; Halliday, Alex N. (2010-06-08)
    Cycling of deep-water silicon (Si) within the Southern Ocean, and its transport into other ocean basins, may be an important player in the uptake of atmospheric carbon, and global climate. Recent work has shown that the ...
  • Millard, Robert C.; Lake, B. J.; Brown, Neil L.; Toole, John M.; Schaaf, D.; Yang, K.; Yu, H.; Zhao, L. (Woods Hole Oceanographic Institution, 1990-12)
    A series of laboratory intercalibrations of a CTD system were undertaken between 1986 and 1990 as part of cooperative research program between the United States (US) and People's Republic of China (PRC). A comparison of ...
  • Fofonoff, Nick P.; Hayes, S. P.; Millard, Robert C. (Woods Hole Oceanographic Institution, 1974-12)
    This report describes calibration techniques developed over the past three years for the WHOI/Brown CTD in the Moored Array Program. Comparison is made with classical methods of hydrography for stations obtained in the ...

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