magnitude contour 中文意思是什麼
magnitude contour
解釋
等幅線-
The method first applies a wavelet transform to the contour direction, then it extracts local magnitude maxima as corner candidates
該方法先對輪廓上各點的切向方向進行小波變換，然後提取出變換幅度的局域最大值點作為待定角點。 -
Before rock failure, it is found that ae distributed densely, and the coming fracture will occur in the density center of high magnitude events, and ae ratio of frequency grows greatly. these precursors can be presented by the change of b value, a t value and the contour of v value. prefab crack systems in the specimen will affect the fractures hi rocks
關于巖石破裂過程中一些物理量的變化，發現在巖石破裂前，主破裂發生的區域先出現大能級聲發射的密集分佈；在巖石加載的臨界狀態，大能級的聲發射數量大量增加；在接近臨界時，大能級聲發射事件在失穩前頻度突然加快。
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