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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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海洋沉积物声特性的实验研究
, PP. 881-887
Abstract:
把两个电声换能器安装在静力取样器箱体底部,配合相应电路,测量声脉冲通过箱体内沉积物的传播时间和相对接收幅度,使之在取样同时获得沉积物声速和声衰减剖面,用一个压电陶瓷换能器与沉积物柱状样接触,自上而下测量谐振时电激励阻抗,观察沉积物声阻抗。结果表明,实验室与现场测得的声速、声衰减系数和声阻抗与沉积类型密切相关。文中讨论了现场测量沉积物声阻抗的可能性。
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