On Joint Distributions for Arbitrary Variables

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

There has been considerable interest in the problem of joint representations for variables other than time and frequency. In this letter, we compare the methods of Cohen and of Baraniuk and Jones and show their equivalence for variables that have the same commutator as time and frequency. In addition, we report the following very general result: All pairs of variables connected by a unitary transformation have joint distributions that are functionally equivalent.

Original languageEnglish (US)
Pages (from-to)10-12
Number of pages3
JournalIEEE Signal Processing Letters
Volume2
Issue number1
DOIs
StatePublished - Jan 1995

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering
  • Applied Mathematics

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