Nonlinearity parameter B/A of biological tissue ultrasound imaging in echo mode

被引：4
|
作者：
Toulemonde, M. [1 ]
Varray, F.
Bernard, A.
Basset, O.
Cachard, C.
机构：
[1] Univ Lyon, Lyon, France
来源：
RECENT DEVELOPMENTS IN NONLINEAR ACOUSTICS | 2015年 / 1685卷
关键词：
D O I：
10.1063/1.4934411
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The nonlinearity B/A parameter influences the distortion of ultrasound waves during their propagation in tissue. Normal and pathological media have different B/A values and this parameter may be used to characterize them. In this paper the multitaper coherent plane wave compounding (MCPWC) is combined with the extended comparative method (ECM) to estimate the B/A parameter in simulation and acquisition. Using plane wave transmission and orthogonal apodization during beam forming improves the B/A estimation and delineation.
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页数：4
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