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Digital Interpolation in the Passband Domain

Publiceringsår: 2002
Språk: Engelska
Sidor: 1545-1548
Publikation/Tidskrift/Serie: IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings. (ICASSP '02)
Volym: 2
Dokumenttyp: Konferensbidrag


This paper presents techniques for digital interpolation in the passband domain, exemplarily for a carrierless amplitude modulation/phase modulation (CAP) transmission system. Well-known techniques for designing baseband interpolation filters are extended to signal processing at nonzero center frequencies. The resulting filters are either real- or complex-valued. Real-valued interpolation filters are shown to suffer from increasing center frequencies, while their complex-valued counterparts keep their characteristics. For implementations based on the Farrow structure, however, the required polynomial degree grows with increasing center frequency



  • Technology and Engineering
  • CAP transmission system
  • Farrow structure
  • amplitude modulation
  • baseband interpolation filters
  • carrierless amplitude modulation
  • carrierless phase modulation
  • complex-valued filters
  • digital filters
  • digital interpolation
  • interpolation
  • nonzero center frequencies
  • passband domain
  • phase modulation
  • polynomial approximation
  • polynomial degree
  • real-valued interpolation filters
  • signal processing


Orlando, FL, USA
  • ISBN: 0-7803-7402-9

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