NONLINEAR PROPAGATION IN DOPPLER ULTRASOUND

被引：6

作者：

LI, S

MCDICKEN, WN

HOSKINS, PR

机构：

[1] Department of Medical Physics and Medical Engineering, University of Edinburgh, Royal Infirmary, Edinburgh

来源：

ULTRASOUND IN MEDICINE AND BIOLOGY | 1993年 / 19卷 / 05期

关键词：

NONLINEAR PROPAGATION; DOPPLER; SPECTRUM;

D O I：

10.1016/0301-5629(93)90054-R

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The nonlinear propagation of ultrasound was demonstrated using Doppler transducers on two commercial duplex machines. The influence of nonlinear propagation on Doppler measurements was studied on both a flow phantom and a string phantom. It was found that although the pulse waveforms showed clearly different degrees of nonlinear distortion, no effect due to the nonlinearity could be detected on the received Doppler spectrum both in terms of the maximum frequency or underlying Doppler spectral profile.

引用

页码：359 / 364

页数：6

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