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## Acta Physica Polonica A

2014 | 126 | 1 | 394-395
Article title

### Noise Analysis of Magnetic Sensors Using Allan Variance

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EN
The article deals with the noise analysis of magnetic sensors using Allan variance. In comparison with the standard variance, based on the variations around the average value, Allan variance provides a measure of the behavior of the variability of a quantity as it is averaged over different measurement time periods, which results in a better convergence and the possibility to distinguish types of noise directly. A significant advantage of this method is that there is no need of any transformations and according to the IEEE recommendation the Allan variance approach is the preferred method for stochastic error identification and the noise type determination in inertial sensors (accelerometers and gyroscopes). Considering that magnetic sensors become even more often a part of inertial measurements units, the goal of this article is to prove that the method using the Allan variance analysis can be very successfully applied also for noise analysis in magnetic sensors.
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394-395
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2014-07
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• Department of Aviation Technical Studies, Faculty of Aeronautics, Technical University of Kosice, Rampová 7, 041 21 Košice, Slovakia
author
• Department of Aviation Technical Studies, Faculty of Aeronautics, Technical University of Kosice, Rampová 7, 041 21 Košice, Slovakia
author
• Department of Aviation Technical Studies, Faculty of Aeronautics, Technical University of Kosice, Rampová 7, 041 21 Košice, Slovakia
author
• Department of Aviation Technical Studies, Faculty of Aeronautics, Technical University of Kosice, Rampová 7, 041 21 Košice, Slovakia
author
• Department of Aviation Technical Studies, Faculty of Aeronautics, Technical University of Kosice, Rampová 7, 041 21 Košice, Slovakia
author
• Department of Aviation Technical Studies, Faculty of Aeronautics, Technical University of Kosice, Rampová 7, 041 21 Košice, Slovakia
References
• [1] Magnetic Sensors and Magnetometers, Ed. P. Ripka, Artech, Boston 2001, ISBN 1-58053-057-5
• [2] IEEE Std $1554^{TM}$-2005: IEEE Recommended Practice for Inertial Sensor Test Equipment, Instrumentation, Data Acquisition, and Analysis, IEEE Aerospace and Electronic System Society, 2005
• [3] M.H. Afzal, http://www.geomatics.ucalgary.ca/graduatetheses Use of Earth's Magnetic Field for Pedestrian Navigation, Ph.D. Thesis, University of Calgary, Alberta 2011
• [4] D.W. Allan, IEEE Trans. on Instrumentation and Measurement IM-36, 646 (1987), doi: 10.1109/TIM.1987.6312761
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