Method and system for automatic identification of objects type according to their characteristic spectrum of vibration frequencies
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United States of America Patent
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Apr 27, 2004
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N/A
app pub date -
Jan 7, 2003
filing date -
Jan 7, 2003
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Abstract
A method and system for automatic recognition and classification of a vibrating target among members of a plurality of objects having their vibration spectra stored in a database. In deciding as to which member of an alleged couple of vibrating objects the target should be assigned, the method uses an algorithm of signal processing which is based on wavelet packet analysis to predict a-priory a bandwidth in which the differences between the vibration of the spectrum is mostly pronounced, and the resolution within the bandwidth which is adequate to enable the decision.
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