Results 221 to 230 of about 896,848 (251)
Kinematics of the Tennis Serve Using an Optoelectronic Motion Capture System: Are There Correlations between Joint Angles and Racket Velocity? [PDF]
Sensors (Basel)Jacquier-Bret J, Gorce P.
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An assessment of GNSS radio occultation data produced by Spire
Quarterly Journal of the Royal Meteorological Society, 2020Over recent years there has been increasing interest from commercial companies to produce observations of the atmosphere using GNSS‐RO (Global Navigation Satellite System – Radio Occultation) techniques.
Neill E. Bowler
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Radio Science, 2020
The MAVEN Radio Occultation Science Experiment (ROSE) generates vertical profiles of electron density in the ionosphere of Mars from two‐way, single‐frequency radio occultation observations.
P. Withers, L. Moore
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The MAVEN Radio Occultation Science Experiment (ROSE) generates vertical profiles of electron density in the ionosphere of Mars from two‐way, single‐frequency radio occultation observations.
P. Withers, L. Moore
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MarCO Radio Occultation: How the First Interplanetary Cubesat Can Help Improve Future Missions
IEEE Aerospace Conference, 2020Smallsats and cubesats have been suggested as low-cost alternative means to achieve scientific goals for interplanetary missions. On May 5, 2018, NASA launched the first interplanetary cubesat: Mars Cube One (MarCO).
K. Oudrhiri +10 more
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Theory of GNSS Radio Occultation [PDF]
, 2013 In this chapter, a brief history of the radio occultation remote sensing technique is introduced. The physical principles of GNSS radio occultation (RO) technique are discussed, and the detailed GNSS RO processing steps are presented ...
Estel Cardellach +2 more
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Radio Holographic Filtering of Noisy Radio Occultations [PDF]
, 2006 We investigate algorithms for filtering noisy radio occultation data with atmospheric multipath behavior in order to improve the accuracy of the inversion based on canonical transform/full spectrum methods. The noise filtering procedure uses the compression of the signal spectrum by multiplying it with a reference signal, Fourier filtering of the ...
K. B. Lauritsen, M. E. Gorbunov
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Simulation of radio occultation measurements
Space Communications, 2013This paper describes a wave propagator that can be used to simulate radio occultation measurements. The wave propagator is used to simulate a number of radio occultations based on European Centre for Medium-range Weather Forecasts ECMWF atmospheric profiles. The output from the wave propagator is used as input to a Full Spectrum Inversion FSI retrieval
H. H. Benzon, Stig Syndergaard
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An Overview of Atmospheric Radio Occultation [PDF]
Journal of Global Positioning Systems, 2002 Thomas P. Yunck, holds a bachelor's degree in electrical engineering from Princeton University and a Ph.D. in systems and information science from Yale University. Since 1978 he has been with the Jet Propulsion Laboratory, California Institute of Technology, where he currently manages the GPS Observatories Office. At JPL, Dr. Yunck has been involved in
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The ROSA radio occultation project
2012 6th ESA Workshop on Satellite Navigation Technologies (Navitec 2012) & European Workshop on GNSS Signals and Signal Processing, 2012The experience gained from ROSA radio occultation instruments flying nowadays on three missions (OCEANSAT-2, SAC-D and MEGHATROPIQUE) is presented in this paper. Insights on different aspects of GNSS remote sensing like tropospheric sounding, ionospheric sounding are presented here, compared with state-of-the-art reference data (ECMWF, colocations ...
S. Landenna +8 more
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