Dynamic noise-reduction baselining for real-time spectral analysis of internal combustion engine knock
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United States of America Patent
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Jun 9, 2009
Grant Date -
Feb 7, 2008
app pub date -
Jul 30, 2007
filing date -
Aug 3, 2006
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Abstract
A real-time, dynamic method for creating a body of cycle-and-cylinder-specific noise-reduction baseline data useable in conjunction with analyzing the engine-knock behavior of a subject internal combustion engine involving operating the engine in an operating mode wherein engine knock may occur, and while doing so, and during each cycle of each cylinder, gathering cycle-and-cylinder-specific, knock-free, engine-operating, baseline noise data which is intended and dedicated for noise-reduction use solely with respect to analyzing any knock data found to exist in the same operating cycle.
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