Trough case study, detail signals of dynamic deformation of buildings above old mine goaf are obtained using multiscale empirical mode decomposition method.
通过实例研究，证实采用多尺度经验模态分解可获得老采空区上方地表建筑物的动态变形细部信号。
Comparing the observational results of the two cruises, it is found that the northern trough and two high value areas of dynamic potential change obviously.
比较两个航次的观测结果，我们发现，北部低槽和两个重力势高值区变化明显。
The dynamic sediment environment is divided into different areas that consist of estuarine deep trough, flood current, Jiaobeisha shoal, estuarine sandbar and seashore outside estuary.
沉积环境可划分为河口主槽沉积环境、涨潮流沉积环境、浅滩沉积环境、拦门沙坝沉积环境及河口前缘沉积环境。
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