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 | 61 | 2014 |
Lag profile inversion method for EISCAT data analysis II Virtanen, MS Lehtinen, T Nygrén, M Orispaa, J Vierinen Annales geophysicae: atmospheres, hydrospheres and space sciences 26 (3), 571, 2008 | 42 | 2008 |
Gaussian Markov random field priors in ionospheric 3-D multi-instrument tomography J Norberg, J Vierinen, L Roininen, M Orispää, K Kauristie, WC Rideout, ... IEEE Transactions on Geoscience and Remote Sensing 56 (12), 7009-7021, 2018 | 37 | 2018 |
Correlation priors L Roininen, MS Lehtinen, S Lasanen, M Orispää, M Markkanen Inverse Problems and Imaging (IPI) 5 (1), 167-184, 2011 | 37 | 2011 |
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 | 30 | 2014 |
Mismatched filtering of aperiodic quadriphase codes B Damtie, M Lehtinen, M Orispaa, J Vierinen Information Theory, IEEE Transactions on 54 (4), 1742-1749, 2008 | 26 | 2008 |
Perfect and almost perfect pulse compression codes for range spread radar targets M Lehtinen, B Damtie, P Piiroinen, M Orispää Inverse Problems and Imaging 3 (3), 465-486, 2009 | 19 | 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 | 17 | 2016 |
Sparse approximations of fractional Matérn fields L Roininen, S Lasanen, M Orispää, S Särkkä Scandinavian Journal of Statistics 45 (1), 194-216, 2018 | 13 | 2018 |
Fortran linear inverse problem solver M Orispää, M Lehtinen Inverse Problems and Imaging (IPI) 4 (3), 485-503, 2010 | 12 | 2010 |
Transmission code optimization method for incoherent scatter radar J Vierinen, MS Lehtinen, M Orispää, II Virtanen Annales geophysicae 26 (9), 2923-2927, 2008 | 12 | 2008 |
General radar transmission codes that minimize measurement error of a static target J Vierinen, M Lehtinen, M Orispaa, B Damtie arXiv preprint physics/0612040, 2006 | 11 | 2006 |
On point sources and near field measurements in inverse acoustic obstacle scattering M Orispää University of Oulu, 2002 | 11 | 2002 |
Kalman filter technique for defining solar regular geomagnetic variations: Comparison of analog and digital methods at Sodankylä Observatory D Martini, M Orispää, T Ulich, M Lehtinen, K Mursula, DH Lee Journal of Geophysical Research 116 (A6), A06102, 2011 | 6 | 2011 |
KAIRA: The Kilpisjärvi Atmospheric Imaging Receiver Array–System Overview and First Results, IEEE T. Geosci. Remote Sens., 53, 1440–1451 D McKay-Bukowski, J Vierinen, II Virtanen, R Fallows, M Postila, T Ulich, ... | 5 | 2015 |
Long‐term decrease in the response of midlatitude stations to high‐speed solar wind streams in 1914–2000 D Martini, K Mursula, M Orispää, HJ Linthe Journal of Geophysical Research: Space Physics 120 (4), 2662-2674, 2015 | 4 | 2015 |
Polyphase-coded incoherent scatter measurements at Millstone Hill II Virtanen, FD Lind, L Roininen, PJ Erickson, WC Rideout, M Orispüü, ... Radio Science 48 (5), 519-526, 2013 | 4 | 2013 |
Optimal true time delay filter with application to FPGA firmware‐based phased array radar signal processing M Lehtinen, B Damtie, M Orispää Radio Science 54 (9), 810-821, 2019 | 2 | 2019 |
EISCAT_3D final report of work package 11 M Orispää, I Virtanen, M Lehtinen University of Oulu, 2014 | 1 | 2014 |
Dynamics of the polar thermospheric wind and substorm phases SI Oyama, AT Aikio, L Cai, M Conde, E Turunen, K Kauristie, ... AGU Fall Meeting Abstracts 2018, SA43C-3521, 2018 | | 2018 |