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    Fourier-transform differences and averaged similarities in diatoms

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    Downloads: 589
    Date
    1979
    Author
    Almeida, S. P.
    Fujii, H.
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    Abstract
    Phase contrast photographs of diatoms are characterized from their Fourier transform taken through an optical diffractometer. The system output is placed on line to a PDP11/40 providing digital subtraction of two output spectral distributions due to different species. Differences obtained in this manner are used for characterizing various species. An average Fourier transform taken through coherent additions is also analyzed to find common features in a given set of diatoms.
    URI
    http://hdl.handle.net/10919/46906
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    • Scholarly Works, Department of Physics [811]

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