Technique for measuring ultrasonic velocity and attenuation spectra

被引：0

作者：

Wu, Xiangyang ^{[1
]}

Chen, Zuan ^{[1
]}

Wei, Jianxin ^{[1
]}

机构：

[1] Chinese Acad of Sciences, Beijing, China

来源：

Yanshilixue Yu Gongcheng Xuebao/Chinese Journal of Rock Mechanics and Engineering | 2000年 / 19卷 / SUPPL.期

关键词：

Attenuation - Fourier transforms - Pressure effects - Ultrasonic diffraction - Ultrasonic transmission - Ultrasonic velocity measurement - Waveform analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A technique for measuring ultrasonic velocity and attenuation spectra in rocks is developed, by modifying the ultrasonic pulse technique introduced into rocks. Using this measuring technique, the reflected wave from the nearest interface between buffer and rock sample and transmitted wave are analyzed. By Fourier transformation of these two wave forms and correction of diffraction effects, the continuous wave velocity and attenuation spectra are finally obtained. This measuring technique is available for measurement of relatively loose rocks at high pressure.

引用

页码：895 / 898

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