8OLIVEIRA A M, CLARKE J E. Extending the multibeam angular sector to improve seafloor classification [J]. Sea Technology, 2008, 49(6): 17-25.
9LANZERSDORFER J. Use of the acoustic transit time method to determine the random uncertainty of planar velocity parameters in water[J]. Flow Measurement and Instrumentation, 2013, 34(12) : 27-33.
10CHOO Y M, SEONG W J. Analysis of acoustic channels with a time-evolving sinusoidal surface[J]. Applied Acoustics, 2014, 78(4): 28-32.
