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Author: search.filters.author.Tantisopharak, TanawutSubject: search.filters.subject.resonance

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    Investigation of the natural resonant frequencies of palmyrah palm juice for quality control
    (2016-03-07)
    Tantisopharak, Tanawut
    ;
    Keowsawat, Panisa
    ;
    Kanahna, Rachen
    ;
    Krairiksh, Monai
    ;
    Sarkar, Tapan K.
    This paper proposes an identification methodology to distinguish between pure and adulterated palmyrah palm juice. The resonance behavior of the palmyrah palm juice has been investigated through numerical electromagnetic simulation. From the scattered response, the natural frequencies of the palmyrah palm juice are extracted. The identification can be performed by cataloging and comparing these pre computed library of the natural resonant frequencies associated with the standard palmyrah palm juice to check for the quality of the samples to be tested.
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    Identification of maturity of fruit in the frequency domain using its natural frequencies
    (2012-11-26)
    Tantisopharak, Tanawut
    ;
    Krairiksh, Monai
    ;
    Moon, Hongsik
    ;
    Lee, Woojin
    ;
    Sarkar, Tapan
    This paper presents an identification methodology to determine the stage of maturity of a fruit by using its natural resonant frequencies, which can be extracted from its scattering response. Since the dielectric properties of a fruit are determined by its chemical properties, the identification can be performed by comparing the libraries of poles to determine the stage of maturity for that fruit. © 2012 IEEE.