Correlational accumulation as a method for signal restoration

Leonid Yaroslavsky*, Murray Eden

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This work analyses the method of correlational accumulation (averaging) of a set of multiple copies of a signal from the same object arbitrarily displaced with relation to one another and observed in a mixture with additive signal independent sensor noise in which the signal displacements are measured by localization of maximum of the signal cross-correlation function. Three main problems are addressed and investigated both analytically and bycomputer simulation: optimility of the correlational accumulation method, signal distortions which originate from the signal registration errors and noise reduction capability of the correlational accumulation as a function of signal-to-noise ratio in the observed signal-plus-noise realizations.

Original languageEnglish
Pages (from-to)89-106
Number of pages18
JournalSignal Processing
Volume39
Issue number1-2
DOIs
StatePublished - Sep 1994
Externally publishedYes

Keywords

  • Correlation
  • Localization accuracy
  • Signal averaging
  • Signal registration
  • Signal restoration

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