尉佳,岳龙,杨睿,刘怀山,吴志强,杨慧良

• 1:青岛海洋地质研究所
• 2:山东省地震局青岛地震台
• 3:中国海洋大学
• 4:中国地质调查局烟台海岸带地质调查中心

摘要(Abstract)：

本文结合理论模型与实际资料，论证了开关非局部中值滤波方法对浅地层剖面数据随机噪音的处理效果，着重讨论了该方法中的目标数据块宽度、搜索数据块宽度、相似度最优的数据点数以及噪音检测的阈值等相关参数对压制随机噪声效果的影响。目标数据块的宽度与相似度最优的数据点数均需要参照搜索数据块宽度，因此该参数的选取最为重要。结果表明优选滤波参数能够有效压制随机噪声，增强同相轴连续性，提高剖面信噪比。

关键词(KeyWords)： 浅地层剖面;开关非局部中值滤波;相似度;随机噪音

Abstract:

Keywords:

基金项目(Foundation): 中国地质调查局海洋调查项目(DD20191003)资助~~

作者(Author): 尉佳,岳龙,杨睿,刘怀山,吴志强,杨慧良

DOI: 10.16441/j.cnki.hdxb.20220189

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