Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 8, issue 1
Articles | Volume 8, issue 1
https://doi.org/10.5194/jsss-8-223-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jsss-8-223-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 8, issue 1
Regular research article
 | 
23 May 2019
Regular research article |  | 23 May 2019

Amplitude–phase calibration of tri-axial accelerometers in the low-frequency range by a LDV

Giulio D'Emilia, Antonella Gaspari, and Emanuela Natale

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Short summary
A method for amplitude–phase calibration of tri-axial accelerometers in the low-frequency range is proposed, based on a linear slide, used to excite all the axes of the accelerometer at the same time, and a laser Doppler vibrometer (LDV) as a reference. Results show that the phase is a critical aspect to consider in calibration, more than the amplitude, and the comparison with the theoretical model is useful to verify the hypotheses. Different behaviours result, depending on the measuring chain.
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