根据互相关原理，设计了相应的硬件相关电路，有效的抑制了噪声并能够提取缺陷信号的微小变化量。
According as principal of cross-correlation, the hardware circuit is used to restrain noise efficiently and acquire faint change of crack signal.
对于所研究的注量范围，所观察的效应是由于IGBT少子寿命减少造成的，而不是由于有效掺杂浓度变化所致。
For the range of fluences studied, the observed effects result from a reduction in minority carrier lifetime in the IGBT and not from changes in the effective dopant density.
针对单纯采用相电流判据的不足之处，本文提出增加零序电流、负序电流及电流变化量判据，以有效地避免保护误动或者拒动。
Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.
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