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Lossless natural sampling for PWM generation

  • University of Illinois at Urbana-Champaign

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Sufficient conditions for periodic reference signals to ensure lossless natural sampling of finite energy, band-limited signals are derived in the context of pulse-width modulation (PWM). For sawtooth reference signals, which are commonly used in PWM generation, lossless natural sampling conditions in the Landau sense are characterized in terms of the range and period of these signals. The results are extended to any absolutely continuous reference signal that spans its dynamic range monotonically on a pulse interval while satisfying mild derivative conditions. Finally, lossless natural sampling conditions for double-sided reference signals are proposed, revealing a design initiative to reduce PWM generator complexity.

Original languageEnglish
Title of host publicationConference Record of 51st Asilomar Conference on Signals, Systems and Computers, ACSSC 2017
EditorsMichael B. Matthews
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1935-1939
Number of pages5
ISBN (Electronic)9781538618233
DOIs
StatePublished - Jul 2 2017
Event51st Asilomar Conference on Signals, Systems and Computers, ACSSC 2017 - Pacific Grove, United States
Duration: Oct 29 2017Nov 1 2017

Publication series

NameConference Record of 51st Asilomar Conference on Signals, Systems and Computers, ACSSC 2017
Volume2017-October

Conference

Conference51st Asilomar Conference on Signals, Systems and Computers, ACSSC 2017
Country/TerritoryUnited States
CityPacific Grove
Period10/29/1711/1/17

Keywords

  • band-limited
  • finite energy
  • Landau-sampling
  • lossless natural sampling
  • Pulse width modulation

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