It moderately adjusts the optimized threshold in global statistics by means of partial spatialthreshold, so its segmentation threshold is dynamic.
它利用局部空间阈值适度调整全局统计最优阈值，因而其分割阈值是动态的。
2
A threshold voltage model of DMOS by radiation induced positive spatial charge is proposed.
提出了一种DMOS辐照正空间电荷阈值电压模型。
3
By resolving Poisson equation, the mathematical expression of the threshold voltage model of DMOS by radiation induced positive spatial charge is obtained.