Results 71 to 80 of about 8,117 (279)

GNSS transpolar earth reflectometry exploriNg system (G-TERN): mission concept [PDF]

, 2018
The global navigation satellite system (GNSS) Transpolar Earth Reflectometry exploriNg system (G-TERN) was proposed in response to ESA's Earth Explorer 9 revised call by a team of 33 multi-disciplinary scientists.
Baggen, Rens, Camps Carmona, Adriano José, Cardellach Galí, Estel, Hernández Pajares, Manuel, Wickert, Jens   +4 more
core   +2 more sources

GNSS Reflectometry-Based Ocean Altimetry: State of the Art and Future Trends

Remote Sensing
For the past 20 years, Global Navigation Satellite System reflectometry (GNSS-R) technology has successfully shown its potential for remote sensing of the Earth’s surface, including ocean and land surfaces.
Tianhe Xu, Nazi Wang, Yunqiao He, Yunwei Li, Xinyue Meng, Fan Gao, Ernesto Lopez-Baeza   +6 more
doaj   +1 more source

Analysis of GNSS-R Code-Level Altimetry Using QZSS C/A, L1C, and BDS B1C Signals and Their Combinations in a Coastal Experiment

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
The fully completed Quasi-Zenith Satellite System (QZSS) and BeiDou Navigation Satellite System (BDS-3) can provide higher precision code observations owing to their advanced signal modulation.
Nazi Wang, Kaifei He, Fan Gao, Ti Chu, Jinhua Hou, Tianhe Xu   +5 more
doaj   +1 more source

Advancing Cave Survey Methods: High‐Precision Mapping in Drakotrypa Cave, Greece

Archaeological Prospection, EarlyView.
ABSTRACT Cave floor mapping plays a vital role across various scientific disciplines by enabling the identification and interpretation of features shaped by both natural processes and human activity. In cave archaeology, floor mapping is crucial to decode and reconstruct human‐induced morphological features.
Christos Pennos, Fotis Georgiadis, Sofia Pechlivanidou, Rannveig Ø. Skoglund, Nenad Buzjak, Stein‐ Erik Lauritzen   +5 more
wiley   +1 more source

Feasibility of GNSS-R ice sheet altimetry in Greenland using TDS-1 [PDF]

, 2017
Radar altimetry provides valuable measurements to characterize the state and the evolution of the ice sheet cover of Antartica and Greenland. Global Navigation Satellite System Reflectometry (GNSS-R) has the potential to complement the dedicated radar ...
Cardellach, Estel, Fabra, Fran, Hernández Pajares, Manuel, Li, Weiqiang, Ribó Vedrilla, Serni, Rius, Antonio   +5 more
core   +2 more sources

Cutting Through the Green: A Case for Grassland Archaeology Using UAV Multispectral Data

Archaeological Prospection, EarlyView.
ABSTRACT Advances in low‐altitude remote sensing are needed to improve the effectiveness of archaeological prospection in the Netherlands. The geomorphological situation and land use history make applying various remote sensing and geophysical technologies particularly challenging.
Roeland Emaus
wiley   +1 more source

Software-Defined Radio Direct Correlation GNSS Reflectometry by Means of GLONASS [PDF]

, 2016
Ground-based GNSS reflectometry (GNSS-R) systems can be realized by different means. The concept of correlation between direct and reflected GNSS signals is basically possible with all GNSS systems.
Haas, Rüdiger, Hobiger, Thomas, Löfgren, Johan   +2 more
core   +1 more source

A full-polarization GNSS-R Delay-Doppler-Map (DDM) simulator for bare soil freeze/thaw process detection

Geoscience Letters, 2020
The soil freeze/thaw processes have a significant impact on the surface energy and moisture balance, which play a key role in ecosystem diversity and productivity. The air-/space-borne Global Navigation Satellite System (GNSS)-Reflectometry (GNSS-R) is a
Xuerui Wu, Shuanggen Jin, Xinqiu Ouyang
doaj   +1 more source

Next‐Generation LiS Batteries: Impact of Nanowire‐Based Electrocatalysts

Batteries &Supercaps, EarlyView.
The graphical abstract features the central themes of this review. It highlights the key challenges limiting the practical applications of lithium–sulfur batteries (LSBs) and discusses how nanowire (NW)‐based electrocatalysts help to address these issues.
Tushar Prashant Pandit, Anweshi Dewan, Mariela Gisela Ortiz, Juan M. Pérez, Mihaela Ramona Buga   +4 more
wiley   +1 more source

Ionospheric tomography using GNSS reflections [PDF]

, 2015
In this paper, we report a preliminary analysis of the impact of Global Navigation Satellite System Reflections (GNSS-R) data on ionospheric monitoring over the oceans.
Marco Pallarés, Josep, Ruffini i Fores, Giulio, Ruffini, Leonardo   +2 more
core