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Sensor measurement systems rely upon knowledge of the functional dynamics between system states and the measured outputs. Errors in sensor measurements come from a variety of source. While there are well known techniques to compensate for those that result from such issues as noise and sensor accuracy limitations, other types of errors, such as those that are more deterministic, can result in biases...
Barkhausen emission is well known phenomena used in non-destructive testing techniques of ferromagnetic materials. Weaknesses of the methods based on Barkhausen emission are related to difficulties of ensuring measurement reproducibility because of specimen influence upon measurement channel. In this paper we propose method of sensor calibration prior to measurement. To implement sensor calibration...
Sensor calibration plays an important role in instrument development and accuracy. This paper presents a method to calibrate current and voltage sensors specially dedicated to power quality measurements which can significantly reduce the distortions introduced by the sensors. The first approach to sensor calibration is based on the response of sensors to DC values imposed by a calibrator. The second...
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