Active acoustic attenuation system with reduced convergence time
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United States of America Patent
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Jun 4, 1991
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N/A
app pub date -
Jan 12, 1990
filing date -
Jan 12, 1990
priority date (Note) -
Expired
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Abstract
A method is provided for reducing convergence time of an active acoustic attenuation system upon start-up or upon a given sensed parameter change. The weights of the adaptive filter model coefficient weight vector are started at or changed to values which are closer to the converged value than the initial or present nonconverged value is to the converged value. The filter model converges in a shorter time as the weights change and are updated from their starting or changed value to the converged value.
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