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Active Control of Low Frequency Linear Spectrum in Vessel Noises by Estimating Receiver's Location
Pages: 55-59
Year: Issue:  2
Journal: Audio Engineering

Keyword:  船舶航行噪声低频线谱有源噪声控制位置估计误差;
Abstract: 提出了一种基于接收点位置估计的船舶航行噪声低频线谱有源控制方法.利用船壳上布设的次级声源实现低频线谱的有源抵消,其信号处理使用了估计的接收点位置信息.通过仿真分析了位置估计误差对船舶航行过程中低频线谱信号有源降噪效果的影响.仿真结果表明,方位估计误差可控时该方法降噪效果良好.
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