| 1 | On the certain semi-analytical models of low-frequency acoustic fields in terms of scalar-vector description显示文摘Behaviour of scalar and vector characteristics of steady-state acoustical field is modeled based on analytical-numerical approach. This field is radiated by low-frequency monochromatic point-like source in the deterministic layered shallow sea, which has various hydrologic and bottom conditions. Approach being developed is free of any mathematical approximations and without the difficulties it enables to calculate sound field vector characteristics for various models of shallow sea. Owing to this fact the complete description of underwater acoustical situation is possible that is useful to make a prognosis for the experiment. A number of regularities of wave field scalar-vector functions are discovered and discussed. | OlegE.Gulin YangDesen | 2004 | Chinese Journal of Acoustics2004，23，1： | 13 |
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