Correlation Performance Measures for Phase-Only Correlation Functions Based on Directional Statistics

Correlation Performance Measures for Phase-Only Correlation Functions Based on Directional Statistics

This letter proposes performance evaluation of phase-only correlation (POC) functions using signal-to-noise ratio (SNR) and peak-to-correlation energy (PCE). We derive the general expressions of SNR and PCE of the POC functions as correlation performance measures. SNR is expressed by simple fraction...

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Veröffentlicht in:IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Communications and Computer Sciences, 2018/06/01, Vol.E101.A(6), pp.967-970
Hauptverfasser: YAMAKI, Shunsuke, ABE, Masahide, KAWAMATA, Masayuki
Format: Artikel
Sprache:eng
Schlagworte:
Correlation analysis
directional statistics
peak-to-correlation energy (PCE)
Performance evaluation
phase-only correlation (POC) functions
signal-to-noise ratio (SNR)
Variance
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Zusammenfassung:This letter proposes performance evaluation of phase-only correlation (POC) functions using signal-to-noise ratio (SNR) and peak-to-correlation energy (PCE). We derive the general expressions of SNR and PCE of the POC functions as correlation performance measures. SNR is expressed by simple fractional function of circular variance. PCE is simply given by squared peak value of the POC functions, and its expectation can be expressed in terms of circular variance.
ISSN:0916-8508
1745-1337
DOI:10.1587/transfun.E101.A.967