The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Analysis of discrete implementation of generalized cross correlator
Open accessAbstract
A common discrete implementation of the cross correlator uses a parabolic fit to the peak when the delay is not an integral multiple of the sampling period. This correspondence analyzes and assesses the pitfalls of this approach. It is shown that this yields a biased estimate of the time delay, with both the bias and variance of the estimate dependent on the location of the delay between samples, SNR, signal and noise bandwidths, and the prefilter or window used in the generalized correlator.
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“Since its mathematical expectation is shown to be band limited and present a symmetric peak around the true time delay, the estimated crosscorrelation function can be approximated by a concave parabola in the neighborhood of its maximum [40, 63, 64].”
From Time Delay Estimation in Room Acoustic Environments: An Overview (2006) · cites this paper as [63]
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Citations
Cites
Optimum estimation of time delay by a generalized correlator
Hassab, J. C., & Boucher, R. (1979) · IEEE Transactions on Acoustics Speech and Signal Processing · doi:10.1109/tassp.1979.1163269 · Cited by 145
Self-citationCarter, G., & Knapp, C. (2005) · IEEE International Conference on Acoustics Speech and Signal Processing · doi:10.1109/icassp.1976.1169979 · Cited by 63
A quantitative study of optimum and sub-optimum filters in the generalized correlator
Hassab, J. C., & Boucher, R. (2005) · IEEE International Conference on Acoustics Speech and Signal Processing · doi:10.1109/icassp.1979.1170770 · Cited by 22
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Elastography: A Quantitative Method for Imaging the Elasticity of Biological Tissues
Jonathan Ophir, A., Céspedes, I., Ponnekanti, H., Yazdi, Y., & Li, X. (1991) · Ultrasonic Imaging · doi:10.1177/016173469101300201 · Cited by 3,780
Elastography: Ultrasonic estimation and imaging of the elastic properties of tissues
Jonathan Ophir, A., Alam, S. K., Garra, B. S., Kallel, F., Konofagou, E. E., Krouskop, T. A., & Varghese, T. (1999) · Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine · doi:10.1243/0954411991534933 · Cited by 785
Internal displacement and strain imaging using ultrasonic speckle tracking
O’Donnell, M., Skovoroda, A. R., Shapo, B. M., & Emelianov, S. (1994) · IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control · doi:10.1109/58.285465 · Cited by 699
OCT elastography: imaging microscopic deformation and strain of tissue
Schmitt, J. M. (1998) · Optics Express · doi:10.1364/oe.3.000199 · Cited by 622
Discrete time techniques for time delay estimation
Jacovitti, G., & Scarano, G. (1993) · IEEE Transactions on Signal Processing · doi:10.1109/78.193195 · Cited by 433
Metadata
- Authors
- Boucher, R., & Hassab, J.
- ORCID
- Boucher, R.
- Venue
- IEEE Transactions on Acoustics, Speech, and Signal Processing
- Published
- 1981-06
- Volume
- 29
- Issue
- 3
- Pages
- 609-611
- ISSN
- 0096-3518 (ISSN-L)
- OpenAlex
- W2169054076
- Cited by
- 111
- References
- 3
- Citations by year
- 2024: 4 · 2023: 1 · 2022: 1 · 2021: 4 · 2020: 4 · 2019: 3 · 2018: 3 · 2017: 4 · 2016: 3 · 2015: 2 · 2014: 6 · 2013: 9 · 2012: 1
- FWCI
- 4.99
- Type
- journal article
- Language
- en
- Open access
- green
- zenodo.org
- Licence
- Locations
- IEEE Transactions on Acoustics Speech and Signal Processing (publishedVersion)
- Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, public-domain)
- Topics
- Physical Sciences › Computer Science › Signal Processing › Speech and Audio Processing
- Physical Sciences › Computer Science › Signal Processing › Digital Filter Design and Implementation
- Physical Sciences › Computer Science › Signal Processing › Advanced Adaptive Filtering Techniques
- Keywords
- time delay estimation, signal-to-noise ratio, pre-filtering, windowing
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