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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 Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för matematik och naturvetenskap.
Molflow, Gothenburg, SWE.
RUAG Space AB, SWE.
Blekinge Tekniska Högskola, Fakulteten för teknikvetenskaper, Institutionen för matematik och naturvetenskap.ORCID-id: 0000-0002-6643-312x
Vise andre og tillknytning
2017 (engelsk)Inngår i: Progress in Electromagnetics Research Symposium, IEEE , 2017, s. 1540-1545Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
IEEE , 2017. s. 1540-1545
Serie
Progress in Electromagnetics Research Symposium, ISSN 1559-9450
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-16124ISI: 000428518301099ISBN: 978-1-5386-1211-8 (tryckt)OAI: oai:DiVA.org:bth-16124DiVA, id: diva2:1201516
Konferanse
Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL), Singapore
Tilgjengelig fra: 2018-04-26 Laget: 2018-04-26 Sist oppdatert: 2018-04-26bibliografisk kontrollert

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Pettersson, MatsVu, Viet Thuy

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Totalt: 57 treff
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