Results 91 to 100 of about 9,261 (192)

A Comparative Study of VTEC Estimates Derived From S/X VLBI and VGOS Observations

open access: yesSpace Weather
The ionosphere, which strongly varies in time and space, is one of the largest error sources for microwave measurements, if not accounted for accurately.
Arno Rüegg   +2 more
doaj   +1 more source

Calculating the water surface area - a comparative analysis between results obtained from open data of optical and radar sensors [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Deforestation of large areas and climate change are potential flood threats. This necessitates the creation of an effective technological scheme for monitoring water bodies. The aim of this study is to analyse the results obtained from the application of
N. Mitev   +3 more
doaj   +1 more source

Monitoring of the reflectors of ESA's Planck telescope by close-range photogrammetry [PDF]

open access: yes, 2017
The Planck mission of the European Space Agency (ESA) is designed to image the anisotropies of the Cosmic Background Radiation Field over the whole sky.
Cozzani, Alessandro   +2 more
core  

Enhanced Global Ionospheric Mapping Using Deep Ensemble Neural Networks With Uncertainty Quantification

open access: yesSpace Weather
Global ionospheric mapping is essential for ionospheric research. However, conventional approaches often struggle to accurately capture small‐scale ionospheric variations.
Shuyin Mao   +6 more
doaj   +1 more source

A Method for the Precise Coordinate Determination of an Inaccessible Location. [PDF]

open access: yesSensors (Basel), 2023
Osada E   +4 more
europepmc   +1 more source

Basic research and data analysis for the National Geodetic Satellite Program [PDF]

open access: yes
Reports and papers dealing with data analysis for the National Geodetic Satellite Program by Ohio State University's Department of Geodetic Science are ...
Mueller, I. I.
core   +1 more source

Evaluation of the damages caused by seismic events: First tests on supporting traditional multispectral classification with DSM [PDF]

open access: yes, 2010
Seismic damages, as a roof entirely collapsed on the ground, are very difficult to be found using only multispectral classification algorithms. The availability of high resolution stereopairs from satellite disclose new possible fields of application to
Baiocchi, Valerio   +2 more
core  

The geoid in Kenya [PDF]

open access: yes
The definition of geoidal undulations is given and after summarizing the methods of determination of the geoid, computed geoidal undulations by some of the methods for several points in Kenya are compared to the results obtained by the satellite ...
Lwangasi, Alphonse S.
core   +1 more source

A bibliography of planetary geology principal investigators and their associates, 1982 - 1983 [PDF]

open access: yes
This bibliography cites recent publications by principal investigators and their associates, supported through NASA's Office of Space Science and Applications, Earth and Planetary Exploration Division, Planetary Geology Program.
Plescia, J. B.
core   +1 more source

Some strategic national initiatives for the Swedish education in the geodata field [PDF]

open access: yes, 2014
Ponencias, comunicaciones y pósters presentados en el 17th AGILE Conference on Geographic Information Science "Connecting a Digital Europe through Location and Place", celebrado en la Universitat Jaume I del 3 al 6 de junio de 2014.This paper describes
Adelsköld, Göran   +10 more
core   +2 more sources

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