The threshold voltage and the peak of proportional difference for MOSFET devices will change after the uniform high electric field stress.
在均匀的高电场应力下，MOSFET器件的阈值电压和输出特性的比例差分峰值会有所改变。
2
Watermark detection is implemented by comparing the new differenceof mean values of watermarked image blocks with the threshold values.
在水印提取时，计算分块的新的均差值并与所设门限进行比较，从而检测嵌入的原始水印值。
3
It selects a threshold from a certain range to regard as one threshold which is the best threshold just as it makes the differenceof stroke width in testing and model seal image minimum.