Results 31 to 40 of about 1,145,330 (292)

Spatiotemporal Prediction of Ionospheric Total Electron Content Based on ED-ConvLSTM

open access: yesRemote Sensing, 2023
Total electron content (TEC) is a vital parameter for describing the state of the ionosphere, and precise prediction of TEC is of great significance for improving the accuracy of the Global Navigation Satellite System (GNSS).
Liangchao Li   +8 more
doaj   +1 more source

Deteksi Anomali Total Electron Content Sebelum Gempa Bumi Palu Menggunakan Jaringan Syaraf Tiruan Levenberg-marquardt [PDF]

open access: yes, 2020
Indonesia termasuk kedalam negara dengan aktifitas gempa bumi yang tinggi. Analisis gempa bumi yang pernah terjadi sangat membantu dalam memahami karakteristik gempa bumi di Indonesia.
Nurdin, A. (Arliyanti)   +3 more
core  

Matter content in AGN jets: constraint from cocoon dynamics? [PDF]

open access: yes, 2005
The matter content of jets in active galactic nuclei is examined in a new way. We model the dynamical expansion of its cocoon embedded in the intra-cluster medium (ICM).
Kawakatu, N., Kino, M.
core   +3 more sources

Regional reference total electron content model over Japan based on neural network mapping techniques [PDF]

open access: yes, 2007
A regional reference model of total electron content (TEC) was constructed using data from the GPS Earth Observation Network (GEONET), which consists of more than 1000 Global Positioning System (GPS) satellite receivers distributed over Japan.
T. Maruyama
core   +7 more sources

IONORING: Real-Time Monitoring of the Total Electron Content over Italy

open access: yesRemote Sensing, 2021
IONORING (IONOspheric RING) is a tool capable to provide the real-time monitoring and modeling of the ionospheric Total Electron Content (TEC) over Italy, in the latitudinal and longitudinal ranges of 35°N–48°N and 5°E–20°E, respectively.
Claudio Cesaroni   +2 more
doaj   +1 more source

Storm-Time Relative Total Electron Content Modelling Using Machine Learning Techniques

open access: yesRemote Sensing, 2022
Accurately predicting total electron content (TEC) during geomagnetic storms is still a challenging task for ionospheric models. In this work, a neural-network (NN)-based model is proposed which predicts relative TEC with respect to the preceding 27-day ...
Marjolijn Adolfs   +2 more
doaj   +1 more source

Ionospheric Behavior during the 10 June 2021 Annular Solar Eclipse and Its Impact on GNSS Precise Point Positioning

open access: yesRemote Sensing, 2022
The main effects of the 10 June 2021 annular solar eclipse on GNSS position estimation accuracy are presented. The analysis is based on TEC measurements made by 2337 GNSS stations around the world.
Juan Carlos Valdés-Abreu   +4 more
doaj   +1 more source

Time variation of total electron content over Tucumán [PDF]

open access: yes, 2004
Este trabajo presenta un análisis de la variabilidad del contenido electrónico total, TEC, sobre Tucumán (26.9S; 294.6E; Dip: -21.1) usando mediciones obtenidas por medio de la técnica Faraday durante el período de alta actividad solar comprendido entre ...
Ezquer, Rodolfo Gerardo   +3 more
core  

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Forecast of Total Electron Content over Europe for disturbed ionospheric Conditions [PDF]

open access: yes, 2012
A general picture of the occurrence of ionospheric storms as function of local time, season and location is known from numerous studies over the past 50 years.
Berdermann, Jens   +3 more
core  

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