• Title/Summary/Keyword: Hilbert

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Audio Watermark Design Using Hilbert Transform

  • Lee, Jin-Geol
    • The Journal of the Acoustical Society of Korea
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    • v.25 no.2E
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    • pp.56-59
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    • 2006
  • A novel audio watermark design using Hilbert transform is proposed, and its superiority of performance over the existing design using the absolute values of the audio signal is demonstrated experimentally with measurements of bit error rate (BER) in correlation based decoder. (Classification No. 3.3)

SOME HILBERT FUNCTIONS FROM k-CONFIGURATIONS ONLY

  • SHIN DONG-SOO
    • Journal of applied mathematics & informatics
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    • v.18 no.1_2
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    • pp.685-689
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    • 2005
  • We find some Hilbert functions of codimension 4, which are obtained from only k-configurations in $\mathbb{P}^{3}$ and support the $3^{rd}$ linear syzygy.