Signal to noise gains for evaluating beamforming strategies

Jie Liu, Kang Sik Kim, Michael Insana

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper defines the echo signal-to-noise ratio (eSNR) for pulse-echo systems that adapts to the effects of shift-varying impulse responses, spatiotemporal coding and various beamformers. Measurement techniques using point targets or random scattering media can be interrelated for a broad range of experimental conditions through eSNR. The eSNR definitions are also illustrated by comparing a spatial matched filter (SMF) beamformer to conventional dynamic receive focusing methods (DRF) to evaluate performance based on resolution and sensitivity. Closed-form expressions are presented that predict eSNR gains from SMF approaches relative to other beamformers.

Original languageEnglish (US)
Title of host publication2006 IEEE International Ultrasonics Symposium, IUS
Pages2132-2135
Number of pages4
DOIs
StatePublished - 2006

Publication series

NameProceedings - IEEE Ultrasonics Symposium
Volume1
ISSN (Print)1051-0117

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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