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PROCESS MEASUREMENT SYSTEM WITH VARIABLE AMPLITUDE SENSOR EXCITATION
PROCESS MEASUREMENT SYSTEM WITH VARIABLE AMPLITUDE SENSOR EXCITATION
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机译:具有可变振幅传感器激励的过程测量系统
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摘要
A process measurement system includes a sensor for producing a sensor signal as a function of a process parameter and a measurement circuit that converts the sensor signal to measurement data. A control circuit controls the amplitude of the sensor excitation to maximize signal strength over the entire operating ratio range of the sensor. This enhances resolution and noise rejection of the measurement circuit.
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