This paper presents a new approach of fault diagnosis for tolerance analog circuit, and especially expounds the soft fault diagnosis in tolerance analog circuit.
Furthermore, by using fuzzy mathematics and network analysis, a fault attaching function was put forward and applied to fault detection in the tolerancecircuit.
在此基础上，应用网络分析与模糊数学，提出了一种故障隶属函数，据此进行容差电路的故障定位。
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Reliability tolerance design is an important part of circuit reliability design.