基于雨滴撞击产生的水下噪声的水滴参数估计

T. K. Mani, P. Pillai
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引用次数: 4

摘要

本文研究了传感器组件中雨滴撞击水表面时产生的声信号。这种冲击在水中产生低频阻尼压力波。这个信号的低频频谱被认为是相当一致的,并被用来测量雨滴的动能,由此估计雨滴的大小分布和雨的强度。该方法计算效率高,可以用简单的DSP硬件实现。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Drop parameter estimation from underwater noise produced by raindrop impact
A study is presented of the acoustic signals produced by raindrops impacting on the surface of water contained in a sensor assembly. The impact generates low frequency damped pressure waves in water. The low frequency spectrum of this signal is seen to be fairly consistent and is used for measuring the kinetic energy of the raindrops from which the drop-size distribution and the rain intensity are estimated. The proposed method is computationally efficient and can be implemented with simple DSP hardware.
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