Fast real-time convolution algorithm for transients of nonlinearly-terminated microwave multiport circuits

I. Ting Chiang, Weng Cho Chew

Research output: Contribution to journalArticlepeer-review

Abstract

In this work, a fast real-time convolution algorithm is proposed. By using this approach, the cost for real-time convolution in the presence of nonlinear terminations is reduced from O(N2) to O(Nlog2N). It is important to reduce the cost for the convolution operation because it usually dominates the computation time in a nonlinear circuit simulation. A nonlinearly-terminated microwave 3-port circuit, characterized by S parameters, is employed to demonstrate the efficiency of this fast algorithm.

Original languageEnglish (US)
Pages (from-to)280-282
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume39
Issue number4
DOIs
StatePublished - Oct 6 2003

Keywords

  • Convolution
  • Multiport
  • Nonlinear
  • Real-time
  • Scattering parameters

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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