As an important parameter usually decided by field survey, mud depth of debris flow is directly related to quantitative calculation of velocity and impact forces.
泥石流泥痕深度是一个通过勘测调查获取的重要参数，它直接关系到泥石流运动流速、冲击力等特征参数的定量计算。
By the combination of frequency characteristic analysis and quantitative calculation, its physical concept is clear, and the PSS parameter has strong adaptability after adjusted.
采用频率特性分析及数值计算相结合，物理概念清晰，使调整后的PSS参数有很强的适应性。
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