Results 21 to 30 of about 432,041 (254)
Validation of precipitable water from ECMWF model analyses with GPS and radiosonde data during the MAP SOP [PDF]
, 2005 Precipitable water vapour contents (PWCs) from European Centre for Medium-Range Weather Forecasts (ECMWF) analyses have been compared with observations from 21 ground-based Global Positioning System receiving stations (GPS) and 14 radiosonde stations (RS)
Flamant, Cyrille +11 more
core +1 more source
Precise Orbit Determination of GPS Satellites for Real Time Applications [PDF]
Journal of Astronomy and Space Sciences, 2001 The accuracy of GPS applications is heavily dependent on the satellite ephemeris and earth orientation parameter. Specially applications like as the real time monitoring of troposphere and ionosphere require real time or predicted ephemeris and earth ...
Hyung-Chul Lim +4 more
doaj
Iteckne, 2009 En el presente artículo, se realiza una breve descripción de una metodología implementada para el funcionamiento de de un sistema de visión artificial para la identificación de objetos, basado en criterios como la forma, el color y el tamaño.
Sergio Andrés zabala Vargas +2 more
doaj +1 more source
Frontiers in Ecology and Evolution, 2023 The Tibetan Plateau (TP), known as the third pole, is the highest plateau in the world. It has numerous wetlands, which are important ecological security barriers and plays an important role in mitigating global climate change. This paper employed breaks
Yuhan Chen +11 more
doaj +1 more source
"NEW LIFE" OF MANUAL FIRE NOZZLE FOR EXTINGUISHING FOREST, GRASSLAND AND WILDLAND FIRES [PDF]
Актуальные вопросы пожарной безопасности, 2022 The article discusses the issues concerning usage of restored manual fire nozzles for effective extinguishing of forest, grassland, ground and wildland fires. The relevance of the paper is due to the effective use of fire extinguishing agents, as well as
Rustam T. Khayretdinov +2 more
doaj +1 more source
Optimal Formation Trajectory-Planning Using Parameter Optimization Technique [PDF]
Journal of Astronomy and Space Sciences, 2004 Some methods have been presented to get optimal formation trajectories in the step of configuration or reconfiguration, which subject to constraints of collision avoidance and final configuration.
Hyung-Chul Lim +3 more
doaj +1 more source
Revista Ibero-Americana de Estudos em Educação, 2015 En la sociedad colombiana domina una tendencia a la transferencia de tecnología que se contrapone a la innovación y desarrollo tecnológico endógeno en el campo de telemática.
José Daniel Cabrera Cruz +2 more
doaj +3 more sources
Tracking Control Design Using Sliding Mode Techniques for Satellite Formation Flying [PDF]
Journal of Astronomy and Space Sciences, 2003 Satellite formation flying is currently an active area of research in the aerospace engineering. So it has been researched by various authors. In this study, a tracking controller using sliding mode techniques was designed to control a satellite for the ...
Hyung-Chu Lim +3 more
doaj +1 more source
Biotic and Abiotic Stress Management in Grapevine: Recent Advances and Major Breakthroughs
Agronomy, 2023 Grapevine (Vitis vinifera L [...]
Rita B. Santos, Andreia Figueiredo
doaj +1 more source
Simulating Future GPS Clock Scenarios With Two Composite Clock Algorithms [PDF]
, 2010 Using the GPS Toolkit, the GPS constellation is simulated using thirty-one satellites (SV) and a ground network of seventeen monitor stations (MS). At every 15 minute measurement epoch, the monitor stations measure the time signals of all satellites ...
Greenhall, Charles +5 more
core +1 more source