利用互相关器实现的智能涡流检测系统能有效抑制干扰信号，具有很高的缺陷的检出能力和检测可靠性。
The cross correlator which realises intelligent eddy current inspection system can effectively restrain the interruptive signal and has high defects detecting ability and reliable inspection.
信号进行二次调制，引入两个参考信号分别对信号进行互相关处理，从而能抑制与参考信号同频率的干扰。
Modulating twice the signal to be tested and cross correlating it in turn with two reference signals, we are able to do so.
信号进行二次调制，引入两个参考信号分别对信号进行互相关处理，从而能抑制与参考信号同频率的干扰。
Modulating twice the signal to be tested and cross correlating it in turn with two reference signals, we are able to do so.
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