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Performance improvement of active noise control using on-line estimation of secondary path transfer function
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 Title & Authors
Performance improvement of active noise control using on-line estimation of secondary path transfer function
Kim, Heung-Seob; Sohn, Dong-Gu; Oh, Jae-Eung;
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 Abstract
In the conventional inverse modeling method for on-line modeling of the secondary path transfer function, the signal to noise ratio between the arbitrary random signal and the plant noise have to keep at -10 - -20 dB. For these reasons, the modeling can't be exactly implemented by the conventional method alone and the convergence time for modeling becomes too long. In this study, by combining the conventional inverse modeling method with an adaptive line enhancer, or with an adaptive noise canceller, a rigorous transfer functions of secondary path modeling and the control of a primary noise have been implemented simultaneously.
 Keywords
S/N Ratio;Transfer Functions of Secondary Path;Adaptive Linear Enhancer;Adaptive Noise Canceller;Inverse Modeling Method;Pseudo Random Signal;
 Language
Korean
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