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Statistical Analysis of Phase-Only Correlation Functions Based on Directional Statistics

Shunsuke YAMAKI, Masahide ABE, Masayuki KAWAMATA

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Summary :

This paper proposes statistical analysis of phase-only correlation functions based on linear statistics and directional statistics. We derive the expectation and variance of the phase-only correlation functions assuming phase-spectrum differences of two input signals to be probability variables. We first assume linear probability distributions for the phase-spectrum differences. We next assume circular probability distributions for the phase-spectrum differences, considering phase-spectrum differences to be circular data. As a result, we can simply express the expectation and variance of phase-only correlation functions as linear and quadratic functions of circular variance of phase-spectrum differences, respectively.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E97-A No.12 pp.2601-2610
Publication Date
2014/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E97.A.2601
Type of Manuscript
PAPER
Category
Digital Signal Processing

Authors

Shunsuke YAMAKI
  Tohoku University
Masahide ABE
  Tohoku University
Masayuki KAWAMATA
  Tohoku University

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