In this paper, a method of fuzzy fault diagnosis based on the model for the analog circuits is presented.

文中提出了一种基于模型的模拟电路故障诊断方法。

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Based on the idea of substitution theorem, this paper presents a new fault diagnosis method of subnetworks in tolerance analog circuits, and it is applicable to nonlinear large net works.

基于网络分析中置换定理的思想，本文提出了一种适用于非线性电路有容差情况下，模拟电路子网络经故障诊断的新方法。

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After analyzing current fault diagnosis methods based on multi-frequency sensitivity in analog circuits, a new sensitivity matrix analysis approach is presented to select testing frequency.

在分析现有模拟电路多频灵敏度故障诊断方法的基础上，提出一种新的测试频率范围的选择方法，即灵敏度矩阵分析方法。

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