But it can not make good analysis of the soft fault signal in the circuits which is random and unstable or can not reflect and extract the transient characters of the soft fault signal.
而要检测软故障，就要针对电路中的软故障信号进行分析，提取能够反映软故障信号的特征值。
A differential fault analysis of IDEA based on temporary and random bit faults is studied.
文中研究对IDEA的一个差分错误分析方法。
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