| 摘要 |
A diagnostic method for determining a characteristic of electrode contacts and/or contacted surfaces comprising the steps of: sensing, during a movement that causes an electrode to have a break contact event with a first contacted surface and to have a make contact event with a second contacted surface, an RF signal from at least one electrical discharge event during that movement; and using a parameter of the RF signal to diagnose the characteristic of the electrode contacts and/or contacted surfaces. In a preferred embodiment of the present invention, a step may be included of sensing, simultaneously with the RF signal sensing step, a vibration signal generated by at least one of the break contact event and the make contact event; and using a parameter of the vibration signal to assist in diagnosing the characteristic of the electrode contacts.
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