Accurate measurement of ultrasonic velocity by eliminating the diffraction effect

被引：0
|
作者：
WEI Tingcun(Department of Electrical Engineering
机构：
来源：
Chinese Journal of Acoustics | 2003年 / 03期
关键词：
of; as; on; it; by; Accurate measurement of ultrasonic velocity by eliminating the diffraction effect; into; is; that; been;
D O I：
10.15949/j.cnki.0217-9776.2003.03.003
中图分类号：
O426 [超声学];
学科分类号：
摘要：
The accurate measurement method of ultrasonic velocity by the pulse interference method with eliminating the diffraction effect has been investigated in VHF range experimentally. Two silicate glasses were taken as the specimens, their frequency dependences of longitudinal velocities were measured in the frequency range 50-350 MHz, and the phase advances of ultrasonic signals caused by diffraction effect were calculated using A. O. Williams’ theoretical
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页码：217 / 221
页数：5
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