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Velocity-Measuring Acoustic Correlation Current Profiler
Author(s): 
Pages: 115-118,123
Year: Issue:  1
Journal: OCEAN TECHNOLOGY

Keyword:  测速声相关海流剖面仪Kirchhoff近似Rayleigh-Rice近似;
Abstract: 声相关海流剖面仪(ACCP)适合深海测速,能够测得相对海底的绝对速度.文章在前人工作基础上,以声纳方程为基础,构造海底混响回波仿真模型,并对基于Kirchhoff近似和利用微扰法的Rayleigh-Rice近似相结合的散射模型赋予新的物理意义,并将其应用到声相关测速仿真研究过程中,使仿真更加接近于海洋的实际环境.文章利用Hilbert变换进行包络检波来减小测速误差,并且根据接收信噪比得到了不同航速时能够达到最大底跟踪的距离,这与参考文献给出的结果是一致的.
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