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Shi Xingjue,Ye Lin,Zhao Cuiping,Li Guangquan,Li Weidong
Author NameAffiliation
Shi Xingjue Department of Earth and Space Sciences, University of Science and Technology of China,Advanced Center for Earth Science and Astronomy, Third World Academy of Science, Hefei 230026, China 
Ye Lin Department of Earth and Space Sciences, University of Science and Technology of China,Advanced Center for Earth Science and Astronomy, Third World Academy of Science, Hefei 230026, China 
Zhao Cuiping Department of Earth and Space Sciences, University of Science and Technology of China,Advanced Center for Earth Science and Astronomy, Third World Academy of Science, Hefei 230026, China 
Li Guangquan Department of Earth and Space Sciences, University of Science and Technology of China,Advanced Center for Earth Science and Astronomy, Third World Academy of Science, Hefei 230026, China 
Li Weidong Department of Earth and Space Sciences, University of Science and Technology of China,Advanced Center for Earth Science and Astronomy, Third World Academy of Science, Hefei 230026, China 
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Measurement of Attenuation Q Value of Cylindrical Sample from Wave Energy
Shi Xingjue,Ye Lin,Zhao Cuiping,Li Guangquan,Li Weidong
Abstract:
Two methods for measuring the attenuation Q value,frequency-amplitude ratio method andwaveform inversion method,were analyzed.The size and shape of most rock samples in thelaboratory can hardly fulfill the rigorous requirements of the above methods.A new testmethod of using the wave energy to calculate the Q value was proposed.The principle,calculation formulae and some points for attention were expounded; the relationship betweenQ_P and Q_E was discussed; and many samples were measured by this method.The result wascompared with those by other methods,and it was considered that the Q value by this methodlies between Qp and QE·
Key words:  Attenuation  Ultrasonic wave  Energy