Numerical and Physical Modeling of Tomography Process Based on Third-Order Nonlinear Acoustical Effects

被引：1
|
作者：
Burov, V. A. [1 ]
Shmelev, A. A. [1 ]
Rumyantseva, O. D. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Acoust, Fac Phys, Moscow 119991, Russia
来源：
ACOUSTICAL IMAGING, VOL 30 | 2011年 / 30卷
关键词：
Medical tomography; Nonlinear parameters; PARAMETER;
D O I：
10.1007/978-90-481-3255-3_43
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The possibility of using the nonlinear effect of the third-order combination wave generation is analyzed for medical diagnostic goals. This effect makes it possible to implement the tomography of a spatial distribution of acoustical nonlinear parameters. The contributions by both purely third-order nonlinear scattering and twofold second-order nonlinear scattering are estimated. These two parallel developing competitive processes create two similar effects, which, however, can be separated. The two-dimensional experimental scheme, which contains just three transmitters with broadband modulation of two primary waves and one receiver, is proposed. The model numerical and physical experiment results are presented.
引用
收藏
页码：379 / 388
页数：10
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