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Sensors 2016, 16(9), 1434; doi:10.3390/s16091434

Enhancement of Kinematic Accelerations by Wavenumber Correlation Filtering

1
Department of Geoinformatics Engineering, Kyungil University, Daegu 38428, Korea
2
Department of Geoinformatics, University of Seoul, Seoul 02504, Korea
*
Author to whom correspondence should be addressed.
Received: 26 July 2016 / Revised: 30 August 2016 / Accepted: 1 September 2016 / Published: 6 September 2016
(This article belongs to the Section Remote Sensors)
View Full-Text   |   Download PDF [2089 KB, uploaded 6 September 2016]   |  

Abstract

To obtain kinematic accelerations with high accuracy and reliability, multiple Global Positioning System (GPS) receivers with a single antenna can be used for airborne gravimetry. The data collected from each receiver can be processed for kinematic accelerations that may be combined using simple averaging. Here, however, uncorrelated errors from instrument errors in each receiver also will be included that degrade the final solutions. Therefore, in this study, the wavenumber correlation filter (WCF) is applied to extract only the higher positively correlated wavenumber components of the kinematic accelerations for the enhancement of the final solution. The in situ airborne GPS data from two receivers were wavenumber-correlation-filtered to show about 0.07835 Gal improvement in accuracy relative to the solution from the raw kinematic accelerations. View Full-Text
Keywords: GPS; kinematic acceleration; wavenumber correlation filter; airborne gravimetry GPS; kinematic acceleration; wavenumber correlation filter; airborne gravimetry
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hong, C.-K.; Kwon, J.H. Enhancement of Kinematic Accelerations by Wavenumber Correlation Filtering. Sensors 2016, 16, 1434.

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