A sloshing wave was excited by an instant impulse after a collision. The parameters of the sloshing wave were measured with laser diffraction. The diffraction patterns of the sloshing wave were obtained experimentally at different depths with the same excitation conditions. The fringe spaces and intensities of the diffraction patterns were induced in accordance with the wavelength and amplitude of the liquid sloshing wave. The amplitude of sloshing waves was linearly related to the depth of the wave. The device is simple, nondestructive, and allows real-time measurements.

中文翻译：

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光学法研究晃荡波的振幅和深度特征

碰撞后瞬间的冲动激发了晃动的波浪。晃动波的参数通过激光衍射测定。在相同的激发条件下，在不同深度通过实验获得了晃动波的衍射图。根据液体晃动波的波长和振幅，诱导出衍射图案的边缘空间和强度。晃动波的振幅与波的深度成线性关系。该设备简单，无损，并允许实时测量。