MEASUREMENT METHOD OF SPATIAL-DISTRIBUTION OF NONLINEARITY PARAMETER B/A USING NONLINEAR-INTERACTION OF 2 SOUND-WAVES

被引：6

作者：

KATO, A

WATANABE, Y

机构：

[1] Department of Electronics, Doshisha University, Kyoto

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 5B期

关键词：

NONLINEAR INTERACTION; NONLINEARITY PARAMETER B/A; ACOUSTICAL IMAGING; SPATIAL DISTRIBUTION; SPATIAL RESOLUTION; CONVOLUTION;

D O I：

10.1143/JJAP.32.2274

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A measurement method of the spatial distribution of the nonlinearity parameter B/A is presented. The nonlinear interaction of two waves propagating in the same or opposite directions is discussed, and the process for obtaining the absolute spatial distribution of B/A is precisely deduced. Experiments are carried out for the simple spatial distribution model of B/A. The observed results support the present method, and estimations for the spatial distribution of B/A are obtained. The spatial resolution of measurement is discussed and some features appearing in the observed results, which are related with the present method, are mentioned.

引用

页码：2274 / 2278

页数：5

共 18 条

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