Ilkka Virtanen
Ilkka Virtanen
University lecturer, Space Physics and Astronomy, University of Oulu
Adresă de e-mail confirmată pe oulu.fi
Citat de
Citat de
KAIRA: The Kilpisjärvi atmospheric imaging receiver array—System overview and first results
D McKay-Bukowski, J Vierinen, II Virtanen, R Fallows, M Postila, T Ulich, ...
IEEE Transactions on Geoscience and Remote Sensing 53 (3), 1440-1451, 2014
Lag profile inversion method for EISCAT data analysis
II Virtanen, MS Lehtinen, T Nygrén, M Orispää, J Vierinen
Annales Geophysicae 26 (3), 571-581, 2008
The F-region trough: seasonal morphology and relation to interplanetary magnetic field
M Voiculescu, I Virtanen, T Nygrén
Annales Geophysicae 24 (1), 173-185, 2006
Could negative ion production explain the polar mesosphere winter echo (PMWE) modulation in active HF heating experiments?
A Kero, CF Enell, AJ Kavanagh, J Vierinen, I Virtanen, E Turunen
Geophysical Research Letters 35 (23), 2008
New incoherent scatter diagnostic methods for the heated D-region ionosphere
A Kero, J Vierinen, CF Enell, I Virtanen, E Turunen
Annales geophysicae 26 (8), 2273-2279, 2008
Broadband meter‐wavelength observations of ionospheric scintillation
RA Fallows, WA Coles, D McKay‐Bukowski, J Vierinen, II Virtanen, ...
Journal of Geophysical Research: Space Physics 119 (12), 10,544-10,560, 2014
Phase-coded pulse aperiodic transmitter coding
II Virtanen, J Vierinen, MS Lehtinen
Annales Geophysicae 27 (7), 2799-2811, 2009
Plasma parameter estimation from multistatic, multibeam incoherent scatter data
II Virtanen, D McKay‐Bukowski, J Vierinen, A Aikio, R Fallows, L Roininen
Journal of Geophysical Research: Space Physics 119 (12), 10,528-10,543, 2014
Fast comparison of IS radar code sequences for lag profile inversion
MS Lehtinen, II Virtanen, J Vierinen
Annales geophysicae, 2291-2301, 2009
Bayesian statistical ionospheric tomography improved by incorporating ionosonde measurements
J Norberg, II Virtanen, L Roininen, J Vierinen, M Orispää, K Kauristie, ...
Atmospheric Measurement Techniques 9 (4), 1859-1869, 2016
Fabry‐Perot Interferometer Observations of Thermospheric Horizontal Winds During Magnetospheric Substorms
L Cai, S Oyama, A Aikio, H Vanhamäki, I Virtanen
Journal of Geophysical Research: Space Physics 124 (5), 3709-3728, 2019
Electron energy spectrum and auroral power estimation from incoherent scatter radar measurements
II Virtanen, B Gustavsson, A Aikio, A Kero, K Asamura, Y Ogawa
Journal of Geophysical Research: Space Physics 123 (8), 6865-6887, 2018
Transmission code optimization method for incoherent scatter radar
J Vierinen, MS Lehtinen, M Orispää, II Virtanen
Annales geophysicae 26 (9), 2923-2927, 2008
Towards multi-purpose IS radar experiments
II Virtanen, MS Lehtinen, J Vierinen
Annales geophysicae 26 (8), 2281-2289, 2008
The F region ionospheric trough: seasonal dependence and relation to IMF
M Voiculescu, I Virtanen, T Nygrén
Ann. Geophys 24 (1), 173-185, 2006
IPIM Modeling of the Ionospheric F2 Layer Depletion at High Latitudes During a High‐Speed Stream Event
A Marchaudon, PL Blelly, M Grandin, A Aikio, A Kozlovsky, I Virtanen
Journal of Geophysical Research: Space Physics 123 (8), 7051-7066, 2018
Swarm Satellite and EISCAT Radar Observations of a Plasma Flow Channel in the Auroral Oval Near Magnetic Midnight
AT Aikio, H Vanhamäki, AB Workayehu, II Virtanen, K Kauristie, L Juusola, ...
Journal of Geophysical Research: Space Physics 123 (6), 5140-5158, 2018
Station data cookbook
II Virtanen
Tech. Rep. LOFAR-ASTRON-MAN-064, ASTRON, Dwingeloo, Netherlands, 2012
Measuring space debris with phase coded aperiodic transmission sequences
J Vierinen, MS Lehtinen, J Markkanen, II Virtanen
Proc. 5th ESA space debris conference, 2009
Amplitude domain analysis of strong range and Doppler spread radar echos
J Vierinen, MS Lehtinen, II Virtanen
Annales geophysicae 26 (8), 2419-2426, 2008
Sistemul nu poate realiza operația în acest moment. Încercați din nou mai târziu.
Articole 1–20