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fei xian xing sheng xue zai hai yang di zhi diao cha zhong de ying yong
Author(s): 
Pages: 45-57+37
Year: Issue:  4
Journal: Ocean Technology

Abstract: <正> 引言六十年代以来,非线性声学在水声学研究方面受到重视,并取得较显著的进展。由于声学参量阵理论的发展并获得实际应用,可以用小尺寸换能器获得低频窄波束,从而突破了频率、指向性和换能器尺寸的古典关系,解决了低频、强指向性和换能器小型化之间的矛盾,
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