Transmission path compensator
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United States of America Patent
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Jul 5, 2016
Grant Date -
Nov 15, 2012
app pub date -
Apr 17, 2012
filing date -
Apr 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a system for generating anti-noise in an exhaust-gas line (9) of a vehicle, comprising a first electro acoustic transducer (11) for generating a first acoustic signal based on an electric control signal, and being in communication with the exhaust-gas line via an acoustic line (4, 7), with the first acoustic signal entering the exhaust line in form of anti-noise after having passed the acoustic line, a second electro acoustic transducer (13) for generating an electric measurement signal representing a second acoustic signal, and being in acoustic communication with the exhaust-gas line (9) at the anti-noise coupling region, a control unit (21) for generating the control signal based on the measurement signal, and a parameterizing unit (29) for determining a conforming phase parameter and a conforming magnitude parameter for the control function used by the control unit (21) based on the transient response of the control unit.
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