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Classification of Underwater Target Echoes Based on Auditory Perception Characteristics 被引量:3

Classification of Underwater Target Echoes Based on Auditory Perception Characteristics
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摘要 In underwater target detection, the bottom reverberation has some of the same properties as the target echo, which has a great impact on the performance. It is essential to study the difference between target echo and reverberation. In this paper, based on the unique advantage of human listening ability on objects distinction, the Gammatone filter is taken as the auditory model. In addition, time-frequency perception features and auditory spectral features are extracted for active sonar target echo and bottom reverberation separation. The features of the experimental data have good concentration characteristics in the same class and have a large amount of differences between different classes, which shows that this method can effectively distinguish between the target echo and reverberation.
作者 Xiukun Li
出处 《Journal of Marine Science and Application》 2014年第2期218-224,共7页 船舶与海洋工程学报(英文版)
基金 the National Natural Science Foundation of China
关键词 underwater target detection auditory perceptioncharacteristics target echoes bottom reverberation Gammatonefilter 水下目标探测 听觉感知 特性 目标回波 分类 回声 听觉模型 主动声纳
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