Signal processing technique which separates signal components in

Details Signal processing technique which separates signal components in Signal processing technique which separates signal components in

1998-03-26

1999-09-21

Shah, Kamini

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

702182, 364184, G06F 1900

Patent

active

059566639

ABSTRACT:
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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