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Keywords: vibration measurement
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. March 2012, 134(1): 013103.
Published Online: December 23, 2011
.... A positive correlation between the microphone and geophone data would show that there is a connection between the vibrations measured in the rock and the noise created by the bit. For two discrete functions f i and g i a cross correlation is defined as 2 ( f · g ) i = ∑ f j...