Simulation confessed: the method has high location precision and fast decomposition rapid, which can be applied to diagnose large-scale analog circuit fault.
仿真试验表明该方法故障定位精确度高、撕裂迅速，有利于大规模模拟电路故障诊断过程自动化的实现。
Wavelet transform was utilized to get coefficients of each scale. Based the coefficient matrix, principal component analysis model was established to diagnose sensor fault.
利用小波变换得到传感器信号在各个尺度上的系数，然后根据尺度系数矩阵建立主元分析模型进行传感器故障诊断。
Wavelet transform was utilized to get coefficients of each scale. Based the coefficient matrix, principal component analysis model was established to diagnose sensor fault.
利用小波变换得到传感器信号在各个尺度上的系数，然后根据尺度系数矩阵建立主元分析模型进行传感器故障诊断。
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