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- W2392912754 abstract "Rock burst is one kind of the more serious natural disasters at present in the coal mine security,and domestic and foreign scholars have carried out massive theoretical and experimental studies.Practice proves the application of acoustic emission monitoring to the synthetic analysis of the geological conditions is an effective scientific method.But in the acoustic emission monitoring the most basic is the acoustic emission source location question;in the acoustic source location the most important is determine its positon by computing the time difference of the sound transmitting messages which arrive at each sensor.The acoustic transmitting messages generate the P wave,the S wave and so on in coal rock body dissemination,and how to determine the time difference becomes the the most important accurate location question.The text mainly starts from the acoustic emission time delay computation,including the direct count method,the cross-correlation method,and the wavelet analysis method.The analytical comparison shows the wavelet analysis method is convenient,simple in calculating time differences,and the accuracy is high." @default.
- W2392912754 created "2016-06-24" @default.
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- W2392912754 date "2009-01-01" @default.
- W2392912754 modified "2023-09-26" @default.
- W2392912754 title "Research of the Time Difference Computation in Acoustic Emission Location" @default.
- W2392912754 hasPublicationYear "2009" @default.
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