| 基于LCD-ICA的水声信号降噪方法 |
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| 引用本文： | 刘贤忠,吴明辉,刘敏.基于LCD-ICA的水声信号降噪方法[J].海军航空工程学院学报,2016,31(5):518-522, 566. |
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| 作者姓名： | 刘贤忠 吴明辉 刘敏 |
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| 作者单位： | 海军航空工程学院电子信息工程系,山东烟台 264001,海军航空工程学院电子信息工程系,山东烟台 264001,海军航空工程学院电子信息工程系,山东烟台 264001 |
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| 摘 要： | 针对水下目标信号易受噪声影响、信噪分离难的问题,提出一种基于 LCD和 ICA分析相结合的水声信号降噪方法,给出了该方法在水声降噪领域中应用原理和方法步骤；并通过仿真信号,验证了该方法在水声信噪分离中的有效性。结果表明,采用文中所提的方法能够有效降低噪声干扰,提高目标检测的可靠性。
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| 关 键 词： | 水声信号 降噪 目标检测 局部特征尺度分解 独立成分分析 |
Underwater Acoustic Signal Noisereduction Method Based on LCD-ICA |
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| LIU Xianzhong,WU Minghui and LIU Min.Underwater Acoustic Signal Noisereduction Method Based on LCD-ICA[J].Journal of Naval Aeronautical Engineering Institute,2016,31(5):518-522, 566. |
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| Authors: | LIU Xianzhong WU Minghui and LIU Min |
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| Institution: | Department of Electronic and Information Engineering, NAAU, Yantai Shandong 264001, China,Department of Electronic and Information Engineering, NAAU, Yantai Shandong 264001, China and Department of Electronic and Information Engineering, NAAU, Yantai Shandong 264001, China |
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| Abstract: | According to the problems of underwater target signal was susceptible to noise and the signal-noise separationwas difficult and so on, an underwater acoustic signal noisereduction method based on LCD and ICA was proposed, ofwhich principle, and method in the field of underwater acoustic denoising were presented. The effectiveness of the pro.posed method was verified by the simulaiton signal. The results showed that the proposed method could effectively reducethe noise interference and improve the reliability of target detection. |
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| Keywords: | underwater acoustic signal denoising target noisereduction local characteristic-scale decomposition inde pendent component analysis |
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