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Adaptive computer-based spatial-filtering method for more accurate estimation of the surface velocity of debris flow

机译:基于自适应计算机的空间过滤方法,可更准确地估算泥石流的表面速度

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摘要

An adaptive computer-based spatial-filtering valocimeter to measure the surface velocity of a natural debris flow with high accuracy is described that can adjust the filter parameters, specifically, the slit width of the filter, based on the surface-pattern characteristics of the flow. A computer simulation confirms the effectiveness of this technique. The surface velocity of a natural debris flow at the Mt. Yakedake Volcano, Japan, was estimated by this adaptive method, and the results were compared with those obtained by two other methods: hardware-based spatial filtering and normal computer-based spatial filtering.
机译:描述了一种以计算机为基础的自适应空间过滤测速仪,可高精度地测量自然泥石流的表面速度,可以基于流的表面图案特征来调整过滤器参数,具体而言,调整过滤器的缝隙宽度。计算机仿真证实了该技术的有效性。天然碎屑在Mt处的表面速度。日本Yakedake火山是通过这种自适应方法估算的,并且将结果与其他两种方法的结果进行了比较:基于硬件的空间过滤和基于常规计算机的空间过滤。

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