Propagation of weak ultrasonic pulses in an intense low-frequency wave field in a granite resonator

被引：0
作者：
V. E. Nazarov
A. B. Kolpakov
A. V. Radostin
机构：
[1] Russian Academy of Sciences,Institute of Applied Physics
来源：
Acoustical Physics | 2010年 / 56卷
关键词：
Acoustical Physic; Phase Delay; High Frequency Pulse; Granite Specimen; Dissipative Nonlinearity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Results of an experimental study of nonlinear attenuation and carrier frequency phase delay of weak ultrasonic pulses under the effect of an intense low-frequency wave in a bar resonator made from Karelian granite are presented. The effects observed in the experiment are analytically described in terms of the phenomenological equation of state containing hysteretic and dissipative nonlinearities. A frequency dependence of nonlinearity is revealed, and the effective values of nonlinear parameters of granite are estimated for the frequency range from 150 kHz to 1 MHz.
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页码：453 / 456
页数：3
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