Method and system for detecting and temporally relating components in non-stationary signals
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United States of America Patent
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Mar 2, 2010
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app pub date -
Jul 23, 2003
filing date -
Jul 23, 2003
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Abstract
A method detects components of a non-stationary signal. The non-stationary signal is acquired and a non-negative matrix of the non-stationary signal is constructed. The matrix includes columns representing features of the non-stationary signal at different instances in time. The non-negative matrix is factored into characteristic profiles and temporal profiles.
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