Results 11 to 20 of about 72,022 (177)

Semantic Specification of Data Types for a World of Open Data

open access: yesISPRS International Journal of Geo-Information, 2016
Data interoperability is an ongoing challenge for global open data initiatives. The machine-readable specification of data types for datasets will help address interoperability issues.
Xiaogang Ma   +4 more
doaj   +1 more source

The Potential for a Networked Ionospheric Sounding Constellation

open access: yesSpace Weather, 2022
A novel networked sounding constellation mission concept is proposed. Radio sounding is the original sensing method that proved the existence of the ionosphere. Satellite‐borne sounders provided the first global observations of the terrestrial ionosphere
A. T. Chartier
doaj   +1 more source

The Parameters Comparison of the “Starlink” LEO Satellites Constellation for Different Orbital Shells

open access: yesFrontiers in Communications and Networks, 2021
Communications-integrated satellite-terrestrial networks used for global broadband services have gained a high degree of interest from scientists and industries worldwide.
Shkelzen Cakaj, Shkelzen Cakaj
doaj   +1 more source

Make the right measurement: Discovery of an allosteric inhibition site for p300-HAT

open access: yesStructural Dynamics, 2019
Histone acetyltransferases (HATs) and histone deacetylases (HDACs) catalyze the dynamic and reversible acetylation of proteins, an epigenetic regulatory mechanism associated with multiple cancers.
Anna S. Gardberg   +8 more
doaj   +1 more source

Complex Signal Constellations in Cumulants-Based AMC: Statistics and Performance

open access: yesTelfor Journal, 2021
In this paper various complex signal constellations are considered in the context of Automatic Modulation Classification (AMC) based on a higher-order normalized cumulants value.
M. S. Pajic, M. Veinovic, V. D. Orlic
doaj   +1 more source

The main directions of research and development of BSTU «VOENMEH» named after D. F. Ustinov on the subject of small spacecraft and some results

open access: yesКосмические аппараты и технологии, 2023
The development of small spacecrafts requires the solution of a number of new scientific and technical problems. The main directions of research and development of the Baltic State Technical University «VOENMEH» named after D.
M. I. Kislitsky
doaj   +1 more source

AME: A Cross-Scale Constellation of CubeSats to Explore Magnetic Reconnection in the Solar–Terrestrial Relation

open access: yesFrontiers in Physics, 2020
A major subset of solar–terrestrial relations, responsible, in particular, for the driver of space weather phenomena, is the interaction between the Earth's magnetosphere and the solar wind.
Lei Dai   +30 more
doaj   +1 more source

Evaluation of biases and uncertainties in ROMEX radio occultation observations [PDF]

open access: yesAtmospheric Measurement Techniques
The Radio Occultation Modeling EXperiment (ROMEX) is an international collaboration to test the impact of varying numbers of radio occultation (RO) profiles in operational numerical weather prediction (NWP) models.
R. Anthes, J. Sjoberg, J. Starr, Z. Zeng
doaj   +1 more source

A General Overview for Localizing Short Gamma-Ray Bursts with a CubeSat Mega-Constellation

open access: yesFrontiers in Astronomy and Space Sciences, 2020
The gamma-ray burst monitor (GBM) on the Fermi Gamma-Ray Space Telescope, for the first time, detected a short gamma ray burst (SGRB) signal that accompanies a gravitational wave signal GW170817 in 2017.
Fadil Inceoglu   +5 more
doaj   +1 more source

Targeted drug discovery for pediatric leukemia

open access: yesFrontiers in Oncology, 2013
Despite dramatic advances in the treatment of pediatric leukemia over the past 50 years, there remain subsets of patients who respond poorly to treatment.
Andrew D Napper, Venita Gresham Watson
doaj   +1 more source

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