System and method for robust estimation and tracking the fundamental frequency of pseudo periodic signals in the presence of noise
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United States of America Patent
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Feb 3, 2015
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Sep 19, 2013
app pub date -
Mar 19, 2012
filing date -
Mar 19, 2012
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Abstract
Method and system for tracking fundamental frequencies of pseudo-periodic signals in the presence of noise that include receiving a time-frequency representation of signals measured in a predefined environment; estimating and tracking a fundamental frequency of a respective pseudo-periodic signal at each time frame of the time-frequency representation by tracking detections of harmonious frequencies in the time-frequency representation over time; and outputting each respective estimated fundamental frequency associated with the pseudo-periodic signal of each respective time frame.
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