• DOI:10.1109/58.365243
Corpus ID: 39659594

A fundamental limit on delay estimation using partially correlated speckle signals

@article{Walker1995AFL,
  title={A fundamental limit on delay estimation using partially correlated speckle signals},
  author={W. Walker and G. Trahey},
  journal={IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control},
  year={1995},
  volume={42},
  pages={301-308}
}

W. Walker, G. Trahey

Published 1995

Physics

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control

Delay estimation is used in ultrasonic imaging to estimate blood or soft tissue motion, to measure echo arrival time differences for phase aberration correction, and to estimate displacement for tissue elasticity measurements. In each of these applications delay estimation is performed using speckle signals which are at least partially decorrelated relative to one another. Delay estimates which utilize such data are subject to large errors known as false peaks and smaller magnitude errors known… CONTINUE READING

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