• DocumentCode
    829417
  • Title

    Robust Causality Characterization via Generalized Dispersion Relations

  • Author

    Triverio, Piero ; Grivet-Talocia, Stefano

  • Author_Institution
    Dept. of Electron., Politec. di Torino, Torino
  • Volume
    31
  • Issue
    3
  • fYear
    2008
  • Firstpage
    579
  • Lastpage
    593
  • Abstract
    The self-consistency of frequency responses obtained via numerical simulations or measurements is of paramount importance in the analysis and design of linear systems. In particular, tabulated responses with flaws and causality violations have been demonstrated to be the root cause for numerical problems and unreliability in modeling and simulation tasks. In this work, we present the generalized dispersion relations as a robust and reliable tool for the causality characterization of frequency responses. Several applications are presented, including causality and passivity verification for tabulated data and causality-controlled interpolation schemes. Practical examples illustrate the excellent performance of the proposed techniques.
  • Keywords
    causality; frequency response; interpolation; causality violations; causality-controlled interpolation schemes; frequency response self-consistency; generalized dispersion relations; linear systems; passivity verification; robust causality characterization; tabulated responses; Circuit simulation; Computational modeling; Design automation; Dispersion; Frequency measurement; Integrated circuit interconnections; Interpolation; Numerical simulation; Robustness; Testing; Causality; Hilbert transform; dispersion relations; interpolation; passivity;
  • fLanguage
    English
  • Journal_Title
    Advanced Packaging, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    1521-3323
  • Type

    jour

  • DOI
    10.1109/TADVP.2008.927850
  • Filename
    4591496