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Improvement of a Low Cost MEMS Inertial-GPS Integrated System Using Wavelet Denoising Techniques

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Authors
Kang, Changho; Kim, Sunyoung; Park, Changook
Issue Date
2011-12
Publisher
International Journal of Aeronautical & Space Sciences
Citation
Int’l J. of Aeronautical & Space Sci. 12(4), 371–378
Keywords
Low cost MEMS inertial/GPS integrated systemWavelet denoisingMEMS inertial sensor
Abstract
In this paper, the wavelet denoising techniques using thresholding method are applied to the low cost micro electromechanical
system (MEMS)-global positioning system(GPS) integrated system. This was done to improve the navigation performance. The
low cost MEMS signals can be distorted with conventional pre-filtering method such as low-pass filtering method. However,
wavelet denoising techniques using thresholding method do not distort the rapidly-changing signals. They can reduce the
signal noise. This paper verified the improvement of the navigation performance compared to the conventional pre-filtering by
simulation and experiment.
ISSN
2093-6742
Language
English
URI
https://hdl.handle.net/10371/75219
DOI
https://doi.org/10.5139/IJASS.2011.12.4.371
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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