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1.Acoustic method for mapping underwater terrain employing low frequency continuous acoustic waves and fixedly separated transducers 失效
Title translation: 使用低频连续声波和固定分离的换能器映射水下地形的声学方法公开(公告)号:US3372369A
公开(公告)日:1968-03-05
申请号:US48846865
申请日:1965-09-20
Applicant: COMPTEURS COMP D
Inventor: ANDRE CECCHINI , MICHEL HANFF , PIERRE JUHEL
IPC: G01V1/38
CPC classification number: G01V1/3808