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TRANSDUCER HEALTH DIAGNOSTICS FOR STRUCTURAL HEALTH MONITORING (SHM) SYSTEMS
TRANSDUCER HEALTH DIAGNOSTICS FOR STRUCTURAL HEALTH MONITORING (SHM) SYSTEMS
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机译:结构健康监测(SHM)系统的传感器健康诊断
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摘要
A method for diagnosing the health of a transducer may include transmitting a signal to a transducer to cause the transducer to transmit a stress wave into an object being monitored, wherein the signal has a predetermined frequency range or bandwidth. The method may also include receiving response data for the transducer and transforming the response data to data representative of an impedance curve of impedance versus frequency for the predetermined frequency range. The method may further include extracting selected parameters from the impedance curve to diagnose the health of the transducer.
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