Results 21 to 30 of about 994,861 (301)

GPS Seismology for a moderate magnitude earthquake: Lessons learned from the analysis of the 31 October 2013 ML6.4 Ruisui (Taiwan) earthquake [PDF]

, 2017
The 31 October 2013 ML 6.4 Ruisui earthquake was well recorded by twelve 50-Hz, four 20-Hz and thirteen 1-Hz GPS receivers, and twenty-five strong motion stations located within the epicentral distance of 90 km in eastern Taiwan.
Benedetti, Elisa, Branzanti, Mara, Colosimo, Gabriele, Crespi, Mattia, Hung, Huang-kai, Mazzoni, Augusto, Rau, Ruey-juin   +6 more
core   +2 more sources

Measuring delays for bicycles at signalized intersections using smartphone GPS tracking data [PDF]

, 2020
The article describes an application of global positioning system (GPS) tracking data (floating bike data) for measuring delays for cyclists at signalized intersections.
Gautama, Sidharta, Gillis, Dominique, Lauwers, Dirk, Lopez, Angel J., Semanjski, Ivana, Van Gheluwe, Casper   +5 more
core   +1 more source

Why GPS makes distances bigger than they are [PDF]

, 2015
Global Navigation Satellite Systems (GNSS), such as the Global Positioning System (GPS), are among the most important sensors for movement analysis. GPS is widely used to record the trajectories of vehicles, animals and human beings.
Brunauer, Richard, Ranacher, Peter, Reich, Siegfried, Trutschnig, Wolfgang, Van der Spek, Stefan Christiaan   +4 more
core   +2 more sources

Optical spectroscopy of faint gigahertz peaked spectrum sources [PDF]

, 1999
We present spectroscopic observations of a sample of faint Gigahertz Peaked Spectrum (GPS) radio sources drawn from the Westerbork Northern Sky Survey (WENSS). Redshifts have been determined for 19 (40%) of the objects.
A. G. de Bruyn, Baker, Baldwin, Baldwin, De Vries, Dressler, Fanti, Fanti, G. K. Miley, H. J. A. Röttgering, Hook, I. A. G. Snellen, Kinney, Lawrence, M. N. Bremer, Mushotzky, O'dea, O'dea, O'dea, O'dea, O'dea, Osmer, Osterbrock, Owsianik, R. T. Schilizzi, Readhead, Rengelink, Snellen, Snellen, Snellen, Snellen, Snellen, Snellen, Stanghellini, Stanghellini, Wilkes, Wills, Worthey   +37 more
core   +10 more sources

Real-Time Tropospheric Delays Retrieved from Multi-GNSS Observations and IGS Real-Time Product Streams

Remote Sensing, 2017
The multi-constellation Global Navigation Satellite Systems (GNSS) offers promising potential for the retrieval of real-time (RT) atmospheric parameters to support time-critical meteorological applications, such as nowcasting or regional short-term ...
Cuixian Lu, Xinghan Chen, Gen Liu, Galina Dick, Jens Wickert, Xinyuan Jiang, Kai Zheng, Harald Schuh   +7 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, Hyo-Choong Bang, Kwan-Dong Park, Woo-Kyoung Lee   +3 more
doaj   +1 more source

Wetland vegetation changes in response to climate change and human activities on the Tibetan Plateau during 2000–2015

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, Yuhan Chen, Lu Sun, Lu Sun, Jiangqi Xu, Jiangqi Xu, Boyi Liang, Boyi Liang, Jia Wang, Jia Wang, Nina Xiong, Nina Xiong   +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, Evgeny V. Pavlov, Olga A. Korenkova   +2 more
doaj   +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, Pli-Ho Park, Jong-Uk Park, Jung-Ho Cho, Yong-Won Ahn   +4 more
doaj  

A Graphical Approach to GPS Software-Defined Receiver Implementation [PDF]

, 2013
Global positioning system (GPS) software-defined receivers (SDRs) offer many advantages over their hardwarebased counterparts, such as flexibility, modularity, and upgradability.
Bhatti, Jahshan A., Humphreys, Todd E., Kassas, Zaher M.   +2 more
core   +1 more source