Results 11 to 20 of about 795,132 (253)

Progress of radio occultation exploration of Mars

open access: yes地球与行星物理论评
Mars is the sister star of Earth. Studying Mars is important to understand its evolution as well as that of Earth and even the solar system. Since the launch of American Mariner 4 in 1964 and the first successful use of radio occultation technology to ...
Luo Xiao   +5 more
doaj   +2 more sources

Sporadic E signatures revealed from multi-satellite radio occultation measurements [PDF]

open access: yesAdvances in Radio Science, 2010
Radio occultation measurements performed by the satellites CHAMP, GRACE and FORMOSAT-3/COSMIC provide a huge data set for atmospheric and ionospheric investigations on a global scale.
C. Arras   +4 more
doaj   +3 more sources

A simplified approach for generating GNSS radio occultation refractivity climatologies [PDF]

open access: yesAtmospheric Measurement Techniques, 2013
The possibility of simplifying the retrieval scheme required to produce GNSS radio occultation refractivity climatologies is investigated. In a new, simplified retrieval approach, the main statistical analysis is performed in bending angle space and an ...
H. Gleisner, S. B. Healy
doaj   +3 more sources

Space and ground segment performance and lessons learned of the FORMOSAT-3/COSMIC mission: four years in orbit [PDF]

open access: yesAtmospheric Measurement Techniques, 2011
The FORMOSAT-3/COSMIC (Constellation Observing System for Meteorology, Ionosphere, and Climate) Mission consisting of six Low-Earth-Orbit (LEO) satellites is the world's first demonstration constellation using radio occultation signals from Global ...
C.-J. Fong   +9 more
doaj   +1 more source

Radio occultation bending angle anomalies during tropical cyclones [PDF]

open access: yesAtmospheric Measurement Techniques, 2011
The tropical deep convection affects the radiation balance of the atmosphere changing the water vapor mixing ratio and the temperature of the upper troposphere lower stratosphere.
R. Biondi   +3 more
doaj   +1 more source

A nonlinear optimal, estimation inverse method for radio occultation measurements of temperature, humidity, and surface pressure [PDF]

open access: yes, 2000
An optimal estimation inverse method is presented which can be used to retrieve simultaneously vertical profiles of temperature and specific humidity, in addition to surface pressure, from satellite-to-satellite radio occultation observations of the ...
J. R. Eyre   +7 more
core   +1 more source

Application of the Fengyun 3 C GNSS occultation sounder for assessing the global ionospheric response to a magnetic storm event [PDF]

open access: yesAtmospheric Measurement Techniques, 2019
The rapid advancement of global navigation satellite system (GNSS) occultation technology in recent years has made it one of the most advanced space-based remote sensing technologies of the 21st century.
W. Bai   +35 more
doaj   +1 more source

KOMPSAT-5 GNSS Radio Occultation Data Operations [PDF]

open access: yesGeo Data, 2022
The Korea Aerospace Research Institute launched KOMPSAT-5 on August 22, 2013, and has been operating for 10 years. KOMPSAT-5 has SAR (Synthetic Aperture Radar) for earth observation missions, and collects data necessary for earth atmosphere analysis ...
Okchul Jung   +3 more
doaj   +1 more source

Ganymede's Ionosphere Observed by a Dual‐Frequency Radio Occultation With Juno

open access: yesGeophysical Research Letters, 2022
In June 2021, the Juno spacecraft executed a close flyby of Ganymede. During the encounter, Juno passed behind Ganymede for 15 min as observed from Earth, providing the geometry to conduct a radio occultation experiment to probe Ganymede's tenuous ...
D. R. Buccino   +12 more
doaj   +1 more source

Data intensive scientific analysis with grid computing [PDF]

open access: yes, 2011
Data intensive scientific analysis with grid computing At the end of September 2009, a new Italian GPS receiver for radio occultation was launched from the Satish Dhawan Space Center (Sriharikota, India) on the Indian Remote Sensing OCEANSAT-2 ...
Riccardo Notarpietro   +11 more
core   +2 more sources

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