Results 281 to 290 of about 1,884,795 (348)

Telescopes team up to probe distant worlds. [PDF]

Proc Natl Acad Sci U S A
Mann A.
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Quantum sensing for NASA science missions. [PDF]

EPJ Quantum Technol
Mercer CR, Montbach EN, Christe SD, Connerton RM, Podolski DA, Robinson MP, Perez MR.   +6 more
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Fine structure of type III solar radio bursts from Langmuir wave motion in turbulent plasma

Nature Astronomy, 2021
The Sun frequently accelerates near-relativistic electron beams that travel out through the solar corona and interplanetary space. Interacting with their plasma environment, these beams produce type III radio bursts—the brightest astrophysical radio ...
H. Reid, E. P. Kontar
semanticscholar   +1 more source

Study of the truncation strategy in the FPGA of a solar radio digital receiver

, 2021
Computation resource is the limiting factor in higher operational accuracy of field-programmable gate arrays (FPGAs) in solar radio digital receivers. The data truncation strategy which determines the accuracy of data is then the essential technology in ...
Fabao Yan, Yang Liu, Ke Xu, Ziqian Shang, Yuanyuan Zhang, Lei Zhang, Yanrui Su, Guang Lu, Zhao Wu, Yao Chen   +9 more
semanticscholar   +1 more source

A broadband digital receiving system with large dynamic range for solar radio observation

Research in Astronomy and Astrophysics, 2020
Solar radio spectra and their temporal evolution provide important clues to understand the energy release and electron acceleration process in the corona, and are commonly used to diagnose critical parameters such as the magnetic field strength. However,
Fabao Yan, Yang Liu, Ke Xu, Ziqian Shang, Yanrui Su, Guang Lu, Yao Chen, Zhao Wu   +7 more
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Solar radio emissions.

2023
All radiation processes described can take place in the solar corona, depending on different physical characters of the radiating electrons and the coronal plasma, such as electron energy, electron pitch angle and the magnitude of the ratio f-2p/f-2H of the medium in the region where the radiators reside.
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Solar Radio Astronomy

1965
Publisher Summary This chapter deals with solar activity, describing the radio emission related to sunspots and flares in the different frequency ranges. In the laboratory, many mechanisms are available for the generation of radio waves, however only a few of them seem to be efficient enough in the solar atmosphere to give intensity detectable at the
A. Boischot, J.F. Denisse
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Solar radio emission surveillance by the Trieste Solar Radio System 2.0

2020 XXXIIIrd General Assembly and Scientific Symposium of the International Union of Radio Science, 2020
In this paper we describe the Trieste Solar Radio System 2.0 (TSRS 2.0), a project for a new facility dedicated to the continuous surveillance of the solar radio emission in the range 1-19 GHz. It is presently under development at the INAF Astronomical Observatory of Trieste and will be installed at the Basovizza Observing Station.
Giovanna Jerse, Valentina Alberti, Marco Molinaro, Veronica Baldini, Roberto Cirami, Igor Coretti, Paolo Di Marcantonio, Mauro Messerotti   +7 more
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Solar Radio Emissions

2007
International ...
Bougeret, Jean-Louis, Pick, Monique, Chian, Abraham C.-L.   +2 more
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Solar radio emissions

Advances in Space Research, 2005
Abstract In this paper, we present a tutorial review which was presented at the first Advanced School on Space Environment (ASSE 2004). We first describe the basics of radioastronomy definitions, and discuss radiation processes relevant to solar radio emissions like plasma emission, free–free bremsstrahlung and gyromagnetic emissions.
J.-P. Raulin, A.A. Pacini
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