Results 21 to 30 of about 3,493 (206)

Estimation of the subsidence around the trace of the San Ramón Chile fault, using the SBAS DInSAR technique through TerraSAR-X images

Revista de Teledetección, 2022
Chile is one of the countries with the highest seismicity in the world and is affected by three types of seismogenic sources; interplate, intraplate and superficial or cortical intraplate.
Patricio Lamperein-Polo, Paulina Vidal-Páez, Waldo Pérez-Martínez   +2 more
doaj   +1 more source

On the Analysis of the Phase Unwrapping Process in a D-InSAR Stack with Special Focus on the Estimation of a Motion Model

Remote Sensing, 2019
This paper analyses the critical phase unwrapping step in a differential interferometric phase (D-InSAR) stack where both the solving of conventional methods and alternative approaches are discussed.
Christina Esch, Joël Köhler, Karlheinz Gutjahr, Wolf-Dieter Schuh   +3 more
doaj   +1 more source

Vegetational diversity in the riparian zone of Tamsa river, Doon valley of Uttarakhand Himalaya, India

Environment Conservation Journal
The vegetation pattern in riparian zones of the aquatic ecosystem performs numerous ecological functions, including serving as a wildlife habitat and ecological corridor, an interface between aquatic and terrestrial environments, and providing organic ...
Ritu Kashyap , Rajesh Rayal, Sanjay Madan, Kamal Bijalwan, MK Purohit, Niharika Arya   +5 more
doaj   +1 more source

NEW STRATEGY THE FOR DESIGNATION OF THE INTEGRITY PARAMETER IN SBAS POSITIONING IN AIR TRANSPORT [PDF]

Scientific Journal of Silesian University of Technology. Series Transport
The article shows the results of a study on the determination of SBAS satellite positioning integrity parameters as a HPL and VPL protection levels. To this end, a modified algorithm was developed to determine the HPL and VPL protection levels from a ...
Magda MROZIK, Jarosław KOZUBA, Kamil KRASUSKI, Janusz ĆWIKLAK, Mieczysław BAKUŁA, Bilal BELDJILALI   +5 more
doaj   +1 more source

Sex ratio of Nemacheilus multifasciatus (Hillstream Loach) in the Heval River of Garhwal Himalaya, Uttarakhand, India

Environment Conservation Journal
Nemacheilus multifasciatus is a hillstream loach that contributes to the stability of Himalayan ecosystems and supports local subsistence fisheries. This study aimed to evaluate the sex ratio of the N.
Deeksha Kapruwan, Rajesh Rayal, Kamal Bijlwan, Ruby Pokhriyal, Indra Rautela, Poonam Prabha Semwal   +5 more
doaj   +1 more source

BDS Satellite-Based Augmentation Service Correction Parameters and Performance Assessment

Remote Sensing, 2020
BDS (Beidou Navigation Satellite System) integrates the legacy PNT (Positioning, Navigation, Timing) service and the authorized SBAS (Satellite-Based Augmentation Services) service. To support the requirement of decimeter-level positioning, four types of
Junping Chen, Ahao Wang, Yize Zhang, Jianhua Zhou, Chao Yu   +4 more
doaj   +1 more source

Monitoring nonlinear and fast deformation caused by underground mining exploitation using multi-temporal Sentinel-1 radar interferometry and corner reflectors: application, validation and processing obstacles

International Journal of Digital Earth, 2023
In this study, Differential Interferometric Synthetic Aperture Radar Interferometry (DInSAR) of artificial Corner Reflectors (CRs) were validated in the area of fast and nonlinear deformation gradient caused by active coal longwall exploitation.
Kamila Pawłuszek-Filipiak, Natalia Wielgocka, Damian Tondaś, Andrzej Borkowski   +3 more
doaj   +1 more source

Resting and postprandial serum bile acid concentrations in dogs with liver disease

Journal of Veterinary Internal Medicine, 2021
Background Serum bile acids (SBAs) are frequently measured in dogs. However, there is limited data comparing SBAs in different liver diseases diagnosed according to standardized histological criteria.
Jorge Pena‐Ramos, Lucy Barker, Rocío Saiz, David J. Walker, Simon Tappin, Cassia H. Z. Hare, Madeleine L. Roberts, Tim L. Williams, Nicholas Bexfield   +8 more
doaj   +1 more source

L1 SFMC SBAS Message for Service Expansion of Multi-Constellation GNSS Support

IEEE Access, 2023
Currently operating satellite-based augmentation systems (SBASs) provide an augmentation service that improves global positioning system (GPS) performance at 250 bps via the L1 signal.
Cheolsoon Lim, Byungwoon Park, Youngsun Yun   +2 more
doaj   +1 more source

Non‐Noble Metal Nanocatalysts for Hydrogen Evolution

Advanced Science, EarlyView.
Recent overviews and latest developments of diverse classes of non‐noble catalysts for application toward high‐performance photocatalysis, thermocatalytic steam reforming, and electrocatalysis. Toward sustainability objectives, several advanced characterization tools in combination with the latest breakthroughs in machine learning for material ...
Lina Jaya Diguna, Gede Herry Arum Wijaya, Md Abdul Kuddus Sheikh, Tobias Haposan, Fidelis Stefanus Hubertson Simanjuntak, Arramel Arramel, Muhammad Danang Birowosuto, Konstantin Sergeevich Novoselov   +7 more
wiley   +1 more source