Search Results - "Bednar, J. B."

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  1. 1

    Comparison of waveform inversion, part 1: conventional wavefield vs logarithmic wavefield by Shin, Changsoo, Pyun, Sukjoon, Bednar, J. Bee

    Published in Geophysical Prospecting (01-07-2007)
    “…ABSTRACT This is the first in a series of three papers focused on using variants of a logarithmic objective function approach to full waveform inversion. In…”
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    Journal Article
  2. 2

    Comparison of waveform inversion, part 2: phase approach by Bednar, J. B., Shin, Changsoo, Pyun, Sukjoon

    Published in Geophysical Prospecting (01-07-2007)
    “…ABSTRACT In this paper, we take advantage of the natural separation into amplitude and phase of a logarithmic‐based approach to full‐wavefield inversion and…”
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    Journal Article
  3. 3

    Comparison of waveform inversion, part 3: amplitude approach by Pyun, Sukjoon, Shin, Changsoo, Bednar, J. B.

    Published in Geophysical Prospecting (01-07-2007)
    “…ABSTRACT In the second paper of this three part series, we studied the case of conventional and logarithmic phase‐only approaches to full‐waveform inversion…”
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  4. 4

    Calculating the complex cepstrum without phase unwrapping or integration by Bednar, J., Watt, T.

    “…The complex cepstrum, as developed by Oppenheim [4] and Oppenheim, Schafer, and Stockham [5], originated from the pioneering paper of Bogert, Healy, and Tukey…”
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    Alpha-trimmed means and their relationship to median filters by Bednar, J., Watt, T.

    “…Suppose that X is a finite set of N numbers, The α-trimmed mean of X is obtained by sorting X into ascending order, removing (trimming) a fixed fraction…”
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    On the approximation of FIR by IIR digital filters by Bednar, J.

    “…Kaiser's empirical formula for finite impulse response (FIR) digital filter length, as a function of transition width and rejection band loss (together with…”
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  10. 10

    Spatial recursive filter design via rational Chebyshev approximation by Bednar, J.

    Published in IEEE transactions on circuits and systems (01-06-1975)
    “…The computer implementation of a numerical algorithm for obtaining rational approximations is discussed. This method offers the promise of a comprehensive…”
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    Order selection for and design of IIR filters by Bednar, J., Coberly, W.

    “…The design of infinite impulse response digital filters can be viewed as a spectral factorization problem. When one knows what the numerator and denominator…”
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