Zobrazeno 1 - 10
of 402
pro vyhledávání: '"Harald, Schuh"'
Autor:
Sujata Dhar, Robert Heinkelmann, Santiago Belda, Sadegh Modiri, Harald Schuh, Sonia Guessoum, José Manuel Ferrándiz, Nagarajan Balasubramanian, Onkar Dikshit
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-21 (2024)
Abstract Over the years, prediction techniques for the highly variable angular velocity of the Earth represented by Earth's rotation (UT1-UTC) and length-of-day (LOD) have been continuously improved. This is because many applications like navigation,
Externí odkaz:
https://doaj.org/article/231dbdac8c46420580438fd2a27a75ae
Autor:
Małgorzata Wińska, Tomasz Kur, Justyna Śliwińska-Bronowicz, Jolanta Nastula, Henryk Dobslaw, Aleksander Partyka, Santiago Belda, Christian Bizouard, Dale Boggs, Mike Chin, Sujata Dhar, Jose M. Ferrandiz, Junyang Gou, Richard Gross, Sonia Guessoum, Robert Heinkelmann, Sadegh Modiri, Todd Ratcliff, Shrishail Raut, Matthias Schartner, Harald Schuh, Mostafa Kiani Shahvandi, Benedikt Soja, Daniela Thaller, Yuanwei Wu, Xueqing Xu, Xinyu Yang, Xin Zhao
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-21 (2024)
Abstract In 2021, the International Earth Rotation and Reference Systems Service (IERS) established a working group tasked with conducting the Second Earth Orientation Parameters Prediction Comparison Campaign (2nd EOP PCC) to assess the current accu
Externí odkaz:
https://doaj.org/article/4d751497cbf947a49cdf6836cce80ee8
Publikováno v:
Sensors, Vol 24, Iss 18, p 5907 (2024)
New smartphones provide real-time access to GNSS pseudorange, Doppler, or carrier-phase measurement data at 1 Hz. Simultaneously, they can receive corrections broadcast by GNSS reference stations to perform real-time kinematic (RTK) positioning. This
Externí odkaz:
https://doaj.org/article/f0fa57e29b294af9af4bd13f02db8285
Publikováno v:
Remote Sensing, Vol 16, Iss 13, p 2310 (2024)
The FormoSat-7/Constellation Observing System for Meteorology, Ionosphere, and Climate II (FS7/COSMIC2) program has acquired over three hundred thousand equatorial plasma bubble (EPB) observations from 2019 to 2023 in the equatorial and near low-lati
Externí odkaz:
https://doaj.org/article/237f0a05668e4628a48276d020df35aa
Autor:
Sujata Dhar, Susanne Glaser, Robert Heinkelmann, Harald Schuh, Nagarajan Balasubramanian, Onkar Dikshit
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-24 (2023)
Abstract VLBI simulation studies are carried out to investigate the impact of any proposed station or strategy on the geodetic parameters, such as Earth Orientation Parameters (EOP) and Terrestrial Reference Frame (TRF). In general, such studies are
Externí odkaz:
https://doaj.org/article/819c21f81c3945e0b415e41b031499b0
Autor:
Pacôme Delva, Zuheir Altamimi, Alejandro Blazquez, Mathis Blossfeld, Johannes Böhm, Pascal Bonnefond, Jean-Paul Boy, Sean Bruinsma, Grzegorz Bury, Miltiadis Chatzinikos, Alexandre Couhert, Clément Courde, Rolf Dach, Véronique Dehant, Simone Dell’Agnello, Gunnar Elgered, Werner Enderle, Pierre Exertier, Susanne Glaser, Rüdiger Haas, Wen Huang, Urs Hugentobler, Adrian Jäggi, Ozgur Karatekin, Frank G. Lemoine, Christophe Le Poncin-Lafitte, Susanne Lunz, Benjamin Männel, Flavien Mercier, Laurent Métivier, Benoît Meyssignac, Jürgen Müller, Axel Nothnagel, Felix Perosanz, Roelof Rietbroek, Markus Rothacher, Harald Schuh, Hakan Sert, Krzysztof Sosnica, Paride Testani, Javier Ventura-Traveset, Gilles Wautelet, Radoslaw Zajdel
Publikováno v:
Earth, Planets and Space, Vol 75, Iss 1, Pp 1-33 (2023)
Abstract Improving and homogenizing time and space reference systems on Earth and, more specifically, realizing the Terrestrial Reference Frame (TRF) with an accuracy of 1 mm and a long-term stability of 0.1 mm/year are relevant for many scientific a
Externí odkaz:
https://doaj.org/article/16c3384694674586b2fb0f1e65c507fc
Autor:
Alireza Atabati, Iraj Jazireeyan, Mahdi Alizadeh, Mahmood Pirooznia, Jakob Flury, Harald Schuh, Benedikt Soja
Publikováno v:
Remote Sensing, Vol 15, Iss 24, p 5762 (2023)
Geomagnetic storms are one of the leading causes of ionospheric irregularities, depending on their intensity. The 6–10 September 2017 geomagnetic storm, the most severe geomagnetic event of the year, resulted from an X9 solar flare and a subsequent
Externí odkaz:
https://doaj.org/article/61f935ba2c3747f7a3cd4cfb4f4eb3d1
Publikováno v:
Satellite Navigation, Vol 3, Iss 1, Pp 1-13 (2022)
Abstract With the high-precision products of satellite orbit and clock, uncalibrated phase delay, and the atmosphere delay corrections, Precise Point Positioning (PPP) based on a Real-Time Kinematic (RTK) network is possible to rapidly achieve centim
Externí odkaz:
https://doaj.org/article/10bc9838810d4850974391e58b1af376
Publikováno v:
Satellite Navigation, Vol 2, Iss 1, Pp 1-14 (2021)
Abstract Real-time satellite orbit and clock estimations are the prerequisite for Global Navigation Satellite System (GNSS) real-time precise positioning services. To meet the high-rate update requirement of satellite clock corrections, the computati
Externí odkaz:
https://doaj.org/article/840d222999564a02b58bcaa168934d2f
Autor:
Lung-Chih Tsai, Hwa Chien, Shin-Yi Su, Chao-Han Liu, Harald Schuh, Mohamad Mahdi Alizadeh, Jens Wickert
Publikováno v:
Sensors, Vol 23, Iss 13, p 6185 (2023)
In this study, a low-cost, software-defined Global Positioning System (GPS) and Satellite-Based Augmentation System (SBAS) Reflectometry (GPS&SBAS-R) system has been built and proposed to measure ocean-surface wave parameters on board the research ve
Externí odkaz:
https://doaj.org/article/88f76876e9d54f82818416967c767ae3