Chutchavong, Vanvisa

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Chutchavong, Vanvisa
Alternative Name
Chutchavong, V.
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Email
vanvisa.ch@kmitl.ac.th

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    Item type:Publication,
    Approximation of sine-squared pulse with additional transmission zero using bessel polynomials
    (2017-11-24)
    Chutchavong, V.
    ;
    Anuwongpinit, T.
    ;
    Benjangkaprasert, C.
    ;
    Janchitrapongvej, K.
    In this paper, the approximation of sine-squared pulse based on Bessel polynomials with additional transmission zero is presented. The additional transmission zero has a parameter alpha to control the attenuation response. The simulation results show the additional transmission zero can control the peak of attenuation response close to the ideal response. In addition, the orders of Bessel polynomials are decreased that confirm a performance is better than the previous works.
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    Item type:Publication,
    Modification of data transmission filter with generalized bessel transformation
    (2010-12-01)
    Pirajnanchai, Virote
    ;
    Chutchavong, Vanvisa
    ;
    Janchitrapongvej, Kanok
    This paper present modification of data transmission filter by the application of Generalized Bessel transformations with rational filter. The technique gives the denominator of filter transfer function in analytic closed form, while its numerator is determined by solving a set of transmission zeros and even polynomial of order. The results to filter is straightforward and will be given in a later more detailed contribution together with comparison with the other existing design methods, such a comparison reveals the superiority of the present technique. ©ICROS.