Articles with "occultation" as a keyword



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OccVis: a visual analytics system for occultation data

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Published in 2019 at "Journal of Visualization"

DOI: 10.1007/s12650-018-00545-2

Abstract: The FY-3C satellite returns more than 250,000 occultation data each year, each of which records high vertical resolution profiles of various climatic parameters in the range of 0–1000 km above the Earth. These long-term, stable, and… read more here.

Keywords: visual analytics; occultation; occultation data; analytics system ... See more keywords
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Verification of Fengyun-3D MWTS and MWHS Calibration Accuracy Using GPS Radio Occultation Data

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Published in 2019 at "Journal of Meteorological Research"

DOI: 10.1007/s13351-019-8208-9

Abstract: The newly launched Fengyun-3D (FY-3D) satellite carries microwave temperature sounder (MWTS) and microwave humidity sounder (MWHS), providing the global atmospheric temperature and humidity measurements. It is important to assess the in orbit performance of MWTS… read more here.

Keywords: mwts mwhs; accuracy using; gps radio; calibration accuracy ... See more keywords
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Neural network aided fast pointing information determination approach for occultation payloads from in-flight measurements: Algorithm design and assessment

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Published in 2019 at "Advances in Space Research"

DOI: 10.1016/j.asr.2019.01.041

Abstract: Abstract Pointing information is decisive to solving precise profile retrieval issues from occultation measurements. Research regarding stratospheric O3 hole in Antarctic and surface O3 pollution would significantly benefit from massive occultation measurements. A neural network… read more here.

Keywords: neural network; network aided; pointing information; occultation ... See more keywords
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Haumea’s thermal emission revisited in the light of the occultation results

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Published in 2019 at "Icarus"

DOI: 10.1016/j.icarus.2018.11.011

Abstract: Abstract A recent multi-chord occultation measurement of the dwarf planet (136108) Haumea (Ortiz et al., 2017) revealed an elongated shape with the longest axis comparable to Pluto’s mean diameter. The chords also indicate a ring around… read more here.

Keywords: thermal emission; occultation; haumea thermal; emission revisited ... See more keywords
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Estimation of ionospheric sporadic E intensities from GPS radio occultation measurements

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Published in 2017 at "Journal of Atmospheric and Solar-Terrestrial Physics"

DOI: 10.1016/j.jastp.2017.08.006

Abstract: Abstract The radio occultation experiment aboard the FORMOSAT-3/COSMIC satellites enables the observation of phenomena in Earth's ionosphere on a global scale. Numerous radio occultation profiles are used to analyse the occurrence of sporadic E layers… read more here.

Keywords: radio occultation; ionospheric sporadic; intensities gps; estimation ionospheric ... See more keywords
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A multi-chord stellar occultation by the large trans-Neptunian object (174567) Varda

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Published in 2020 at "Astronomy and Astrophysics"

DOI: 10.1051/0004-6361/202038526

Abstract: We present results from the first recorded stellar occultation by the large trans-Neptunian object (174567) Varda that was observed on September 10$^{\rm th}$, 2018. Varda belongs to the high-inclination dynamically excited population, and has a… read more here.

Keywords: occultation large; stellar occultation; trans neptunian; pm0 ... See more keywords
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A joint occultation and speckle investigation of the binary star TYC 1947-290-1 and of the asteroid (87) Sylvia

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Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab2767

Abstract: We report on the occultation of the star TYC 1947-290-1 by the asteroid (87) Sylvia. While asteroidal occultations occurring at fixed professional-level locations are relatively rare and are only recently starting to be observed with… read more here.

Keywords: sylvia; tyc 1947; 1947 290; star ... See more keywords
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Analyzing Constellation Performance for the Radio Occultation Tomography of Internal Gravity Waves

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Published in 2021 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2021.3080984

Abstract: Radio occultation (RO) is a powerful tool for remotely sensing the atmosphere, producing globally distributed soundings with both high vertical resolution and high temperature retrieval accuracy, especially in the stratosphere. The spatial distribution of the… read more here.

Keywords: quality; performance; constellation; occultation ... See more keywords
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The Accuracy Assessment and Scientific Research Progress of Ionospheric Radio Occultation Products Observed by Fengyun-3 GNOS

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Published in 2022 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2022.3217681

Abstract: Global navigation satellite system (GNSS) radio occultation (RO) is a novel detection technique that can provide global ionospheric products with high vertical resolution, high precision, and low cost. In recent years, China has launched the… read more here.

Keywords: system; accuracy assessment; research; radio occultation ... See more keywords
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Stratospheric temperature measurements from nanosatellite stellar occultation observations of refractive bending

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Published in 2023 at "Atmospheric Measurement Techniques"

DOI: 10.5194/amt-16-2129-2023

Abstract: Abstract. Stellar occultation observations from space can probe the stratosphere and mesosphere at a fine vertical scale around the globe. Unlike other measurement techniques like radiosondes and aircraft, stellar occultation has the potential to observe… read more here.

Keywords: temperature; stellar occultation; occultation observations; geostare sv2 ... See more keywords