Results 11 to 20 of about 756,404 (200)

Modernization of the Irkutsk Incoherent Scatter Radar

open access: yesSolar-Terrestrial Physics, 2017
We present the results of modernization of the Irkutsk Incoherent Scatter Radar’s control and acquisition system. The modernization was carried out using results of space experiments Plasma–Progress and Radar–Progress involving Progress cargo spacecraft.
Kushnarev D.S.   +4 more
doaj   +7 more sources

Backscatter signal model for Irkutsk incoherent Scatter Radar

open access: yesSolar-Terrestrial Physics, 2018
The paper presents a backscatter signal model for Irkutsk Incoherent Scatter Radar (IISR) and proposes a technique for solving the inverse problem of determining plasma temperatures from IISR data.
Tashlykov V.P.   +2 more
doaj   +4 more sources

Ducting of incoherent scatter radar waves by field-aligned irregularities [PDF]

open access: yesAnnales Geophysicae, 2020
We provide an explanation for a mysterious phenomenon that has been recognized in recent years in European Incoherent Scatter (EISCAT) UHF incoherent scatter radar (ISR) measurements during many high-power high-frequency (HF) ionospheric pumping ...
M. T. Rietveld   +2 more
doaj   +4 more sources

Features of Ne recovery at the Irkutsk Incoherent Scatter Radar

open access: yesSolar-Terrestrial Physics, 2020
The article presents a new method of restoring the electron density profile (Ne) according to data from the Irkutsk Incoherent Scatter Radar (IISR). This method has been developed taking into account the Faraday rotation of the polarization plane, which ...
Alsatkin S.S.   +2 more
doaj   +4 more sources

A Novel Composite Coding Method for Incoherent Scatter Radar [PDF]

open access: yesAtmosphere, 2021
Many modern ionospheric studies rely on incoherent scatter radars (ISR) since this kind of radar is able to detect various ionospheric parameters over very long ranges. The performance of ISR significantly depends on its coding system. In recent decades,
Haoyi Chen   +3 more
doaj   +2 more sources

The Effect of Space Objects on Ionospheric Observations: Perspective of SYISR

open access: yesRemote Sensing, 2022
Space objects around the Earth are a potential pollution source for ground-based radio observations. The Sanya incoherent scatter radar (SYISR) is a newly built active digital phased array, all solid-state transmitting and digital receiving incoherent ...
Junyi Wang   +11 more
doaj   +3 more sources

Thermospheric atomic oxygen density estimates using the EISCAT Svalbard Radar [PDF]

open access: yes, 2013
[1] Coupling between the ionized and neutral atmosphere through particle collisions allows an indirect study of the neutral atmosphere through measurements of ionospheric plasma parameters. We estimate the neutral density of the upper thermosphere above ~
Sutton, E.   +4 more
core   +5 more sources

Radio-induced incoherent scatter ion line enhancements with wide altitude extents in the high-latitude ionosphere [PDF]

open access: yes, 2013
[1] Apparent large electron density enhancements deduced from incoherent scatter radar observations during recent high power radio wave injection experiments at the European Incoherent Scatter Scientific Association (EISCAT) facility near Tromsø, Norway ...
Rietveld, M. T.   +3 more
core   +4 more sources

High-resolution maps of the characteristic energy of precipitating auroral particles [PDF]

open access: yes, 2001
For the first time we produce high-resolution maps of the characteristic energy of precipitating electrons from ground-based instrumentation in the auroral zone over northern Scandinavia. This is done by combining intensity-calibrated optical data at 557.
Kosch, M.J.   +4 more
core   +4 more sources

Common volume coherent and incoherent scatter radar observations of mid-latitude sporadic E-layers and QP echoes [PDF]

open access: yesAnnales Geophysicae, 2004
Common-volume observations of sporadic E-layers made on 14-15 June 2002 with the Arecibo incoherent scatter radar and a 30MHz coherent scatter radar imager located on St. Croix are described.
D. L. Hysell, M. F. Larsen, Q. H. Zhou
doaj   +1 more source

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