| 摘要 |
A method for fault detection in a signal carrying component. The method comprises applying a first input signal to a first part of the signal carrying component, and applying a second input signal to the signal carrying component. A resultant signal is obtained from the signal carrying component, the resultant signal resulting from interactions of the first and second input signals in the signal carrying component. The resultant signal is processed to determine whether a fault exists in the signal carrying component, the processing being based upon identification of intermodulation products created by the first and second input signals in the signal carrying component. At least one of the first and second input signals is wirelessly injected to the signal carrying component and/or the resultant signal is wirelessly obtained from the signal carrying component.
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