Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Xiaoqing Pi"'
Publikováno v:
Earth and Space Science, Vol 8, Iss 3, Pp n/a-n/a (2021)
Abstract Significant polar topside total electron content (topTEC) enhancement (PTTE) above 1,336 km altitude is reported for the first time. The results are based on GPS measurements during 2008–2019 from NASA's Jason‐2 satellite with zenith‐o
Externí odkaz:
https://doaj.org/article/1e774c7dae344e25bdb2cd7468e71095
Autor:
Xiaoqing Pi, Anthony J. Mannucci, Byron A. Iijima, Brian D. Wilson, Attila Komjathy, Thomas F. Runge, Vardan Akopian
Publikováno v:
Terrestrial, Atmospheric and Oceanic Sciences, Vol 20, Iss 1, p 273 (2009)
The four-dimensional Global Assimilative Ionospheric Model (GAIM) is applied to a study of ionospheric disturbances. The investigation is focused on disturbance features, particularly in the altitude and latitude dimensions, at low latitudes during a
Externí odkaz:
https://doaj.org/article/33171ac5b9f34567acf2f0f7e661a405
Autor:
Xunchang Fei, Hongping He, Xiaoqing Pi, Xuhong Lu, Qinqin Chen, Jun Ma, Yao Wang, Mingliang Fang, Chuangzhou Wu, Shijin Feng
Publikováno v:
Critical Reviews in Environmental Science and Technology. 53:366-389
Sanitary landfills and uncontrolled dumpsites are plastic wastes (PWs) reservoirs containing ∼60% of all the plastics ever made, amounting to 5,000 × 106 tons as of 2017. The distribution, long-term behavior, and release of macro- and microplastic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee2869e567ab3a7e7e35f19d143bdcbf
https://doi.org/10.1080/10643389.2022.2054649
https://doi.org/10.1080/10643389.2022.2054649
Compressibility is one of the important engineering properties of municipal solid waste (MSW) affecting the stability and functionality of a landfill. Although the correlations between MSW properties and compression parameters have been established,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2988c3f7e732cfa4f2bf335b1fe40c6f
https://hdl.handle.net/10356/168920
https://hdl.handle.net/10356/168920
Autor:
Zhang Yunjun, Heresh Fattahi, Xiaoqing Pi, Paul Rosen, Mark Simons, Piyush Agram, Yosuke Aoki
Time series analysis of synthetic aperture radar (SAR) and interferometric SAR generally starts with coregistration for the precise alignment of the stack of images. Here we introduce a model-adjusted geometrical image coregistration (MAGIC) algorith
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2127c449ba5e1d348c23f6a51d988501
https://doi.org/10.31223/x5f641
https://doi.org/10.31223/x5f641
Autor:
Erin H. Lay, Jeffery D. Tippmann, Kyle C. Wiens, Sarah E. McDonald, Anthony J. Mannucci, Xiaoqing Pi, Anthea Coster, R. Marc Kippen, Michael J. Peterson, Rob Redmon
Publikováno v:
Space Weather. 20
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d47067df116a4ce8b139a567baa75b9f
https://doi.org/10.1029/2022sw003067
https://doi.org/10.1029/2022sw003067
Autor:
Erin H Lay, Jeffery Tippmann, Kyle Wiens, Sarah E McDonald, Anthony James Mannucci, Xiaoqing Pi, Anthea J. Coster, Richard Marc Kippen, Robert Joseph Redmon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bbe4aa47e1f0f2179b8f432ee8dbc6f
https://doi.org/10.1002/essoar.10511081.1
https://doi.org/10.1002/essoar.10511081.1
Autor:
Xiaoqing Pi
Publikováno v:
The International Technical Meeting of the The Institute of Navigation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b1a00b9878f05e5a4b8a7ed8de6a78e
https://doi.org/10.33012/2022.18198
https://doi.org/10.33012/2022.18198
Autor:
Annabel R. Gomez, Xiaoqing Pi
Publikováno v:
Proceedings of the 34th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2021).
In this work several machine-learning (ML) techniques for predicting ionospheric irregularities in the northern auroral zone were tested. The techniques include Ridge Regression, Long Short-Term Memory Neural Network (LSTM), Classification Neural Net
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::681b01cac91648f06afd32bc955b6008
https://doi.org/10.33012/2021.18032
https://doi.org/10.33012/2021.18032
Autor:
Heresh Fattahi, Xiaoqing Pi, Paul A. Rosen, Vardan Akopian, Shadi Oveisgharan, Ekaterina Tymofyeyeva
Publikováno v:
Proceedings of the 2021 International Technical Meeting of The Institute of Navigation.
This paper describes approaches to measuring small- and medium-scale spatial rate of vertical TEC from GNSS observations. The horizontal scale size measured by small-scale TEC spatial rate (STSR, in TECU/km), including its latitude and longitude comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a02597fee8422ded700e5ec3e34f9dd
https://doi.org/10.33012/2021.17856
https://doi.org/10.33012/2021.17856