Convex combination-based active impulse noise control system
Convex combination-based active impulse noise control system
复制标题
基于凸组合的主动脉冲噪声控制系统
DOI:
10.1177/1461348419838394
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发表时间:
2019-03
期刊:
影响因子:
--
通讯作者:
Bin Chen
中科院分区:
文献类型:
--
作者:
Ning Yu;Zhaoxia Li;Yinfeng Wu;Renjian Feng;Bin Chen
Active noise control shows a good performance on the suppression of the low-frequency noise and hence it is widely applied. However, the traditional active noise control systems are unsatisfactory in controlling impulse noise in practical situations. A method based on the convex combination of filtered-x least mean square and filtered-x minimum kernel risk-sensitive loss adaptive algorithms (CFxLM) is presented to efficiently suppress impulse noise. Due to the simplicity of the LMS algorithm, the related filter is selected as the fast filter. Because the minimum kernel risk-sensitive loss algorithm is robust to impulse noise and can offer good convergence performance, we first apply it to the active noise control system and select the corresponding filter as the slow one. The proposed CFxLM algorithm can achieve both fast convergence and good noise reduction and any prior knowledge of reference noise is unnecessary. Extensive simulations demonstrate the superior noise reduction capability of the developed CFxLM-based active noise control system in controlling impulse noise.
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