发明授权
US5956663A Signal processing technique which separates signal components in a sensor for sensor diagnostics 失效
信号处理技术,用于分离传感器中的信号分量,用于传感器诊断

Signal processing technique which separates signal components in a
sensor for sensor diagnostics
摘要:
A device in the process control system includes a sensor input receiving a sensor signal. The sensor signal comprises a process variable signal and a residual sensor signal related to sensor operation. Diagnostic circuitry receives a separated sensor signal and responsively provides a diagnostic output related to the sensor. Sensor signal processing circuitry separates the sensor signal into signal components which are provided to the diagnostic circuitry.
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