EFFECT OF FOCUSING OF ULTRASONIC-WAVES ON THE VARIANCE OF THE DOPPLER SPECTRUM

被引：0
|
作者：
BARANNIK, EA
机构：
来源：
RUSSIAN ULTRASONICS | 1994年 / 24卷 / 04期
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中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
An analytical expression has been obtained for the variance of the Doppler signal spectrum allowing for diffraction of wave beams, the change in the beam geometry and the curvature of the wavefronts as a result of static or dynamic focusing and a pulsed radiation regime.
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页码：255 / 260
页数：6
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