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Determining the refractivity at the bottom of the atmosphere using radio occultation
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.ORCID iD: 0000-0002-2856-6140
Molflow, 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: 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), IEEE, 2017, p. 4433-4436Conference paper, Published paper (Refereed)
Abstract [en]

High accuracy of impact height is important to get reliableRadio Occultation (RO) measurements of the atmosphere refractivity.We have made an investigation on how accuratelywe can measure the impact height at ground level using waveoptics simulations, realistic refractivity profiles, a realisticsimulator for an advanced RO instrument including noise,and using phase matching for the inversion. The idea of theinvestigation is to increase the measurement accuracy of impactheight at low altitudes and to give reliable measurementseven in cases of super-refractive layers. We present statisticson the accuracy and precision of the determination of theimpact height at ground, as well as the resulting accuracy andprecision in the measured refractivity.

Place, publisher, year, edition, pages
IEEE, 2017. p. 4433-4436
Series
IEEE International Symposium on Geoscience and Remote Sensing IGARSS, ISSN 2153-6996
Keywords [en]
radio occultation, GPS, marine boundary layer
National Category
Meteorology and Atmospheric Sciences
Identifiers
URN: urn:nbn:se:bth-15745DOI: 10.1109/IGARSS.2017.8127984ISI: 000426954604121ISBN: 978-1-5090-4951-6 (electronic)OAI: oai:DiVA.org:bth-15745DiVA, id: diva2:1173121
Conference
2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Fort Worth
Available from: 2018-01-11 Created: 2018-01-11 Last updated: 2018-04-12Bibliographically approved

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Sievert, ThomasPettersson, MatsVu, Viet Thuy

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