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A Simulation Study of the Effect of Ionospheric Vertical Gradients on the Neutral Bending Angle Error for GNSS Radio Occultation
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.
Molflow, Gothenburg, SWE.
RUAG Space AB, SWE.
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.ORCID iD: 0000-0002-6643-312x
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2017 (English)In: Progress in Electromagnetics Research Symposium, IEEE , 2017, p. 1540-1545Conference paper, Published paper (Refereed)
Abstract [en]

Radio Occultation based on Global Navigation Satellite System signals (GNSS RO) is an increasingly important remote sensing technique. Its measurements are used to derive parameter of the Earth's atmosphere, e.g., pressure, temperature and humidity, with good accuracy. The systematic residual error present on the data processing is related to ionospheric conditions, such as the distribution of electrons and the resultant vertical gradient. This study investigates the relationship between these parameters and the residual ionospheric error (RIE) on the retrieved bending angle in the stratosphere. Chapman function combined to sinusoidal perturbations are used to model electron density profiles and compared to RO retrievals of the ionosphere to perform the investigation. The results confirmed that the major ionospheric influence on the retrieval error is related to the F-layer electron density peak, whereas small-scale vertical structures play a minor role.

Place, publisher, year, edition, pages
IEEE , 2017. p. 1540-1545
Series
Progress in Electromagnetics Research Symposium, ISSN 1559-9450
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:bth-16124ISI: 000428518301099ISBN: 978-1-5386-1211-8 OAI: oai:DiVA.org:bth-16124DiVA, id: diva2:1201516
Conference
Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL), Singapore
Available from: 2018-04-26 Created: 2018-04-26 Last updated: 2018-04-26Bibliographically approved

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Pettersson, MatsVu, Viet Thuy

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