水下声探测信号的分类与分析研究

来源 :福建省海洋学会2014年学术年会暨福建省科协第十四届学术年会分会场 | 被引量 : 0次 | 上传用户:mn666666
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水下声探测是外国调查船和水下文物盗捞船进行非法调查和探测的主要技术手段,开展水下声探测信号的研究对非法调查的监视取证和水下文物保护具有重要意义.根据信号的主要声特征,对水下声探测信号进行分类,分为宽带中低频信号和窄带高频信号.出海采集了浅地层剖面信号、电火花声源信号、侧扫声纳信号和单频测深信号四种代表性的水下声探测信号,给出了对应的声特征分类.通过对四种实测声探测数据的分析研究,给出了对应类型的水下声探测信号的分析、提取方法,结合已知的水下声探测信号的主要声特征,实现对采集的水下声探测信号的识别.
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