Sediment echosounder raw data (Atlas Parasound P70 echosounder working area d...
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Parasound profiles are acquired witth the hull mounted echosounder device P70 (Atlas Elektronik GmbH), witch uses the parametric effect in which a secondary low-frequency signal...
参量声剖面（Parasound profiles）由船载回声测深仪P70（阿特拉斯电子股份有限公司，Atlas Elektronik GmbH）采集获取，该设备利用参量效应，其效应过程中会产生次级低频信号……
