Sie haben gesucht nach VerfasserIn: 'Nygrén, T.', in der Datenbank: Bibliothekskatalog.
Anzahl der Treffer: 21
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Application of stochastic inversion in auroral tomography
Nygrén, T.; Markkanen, M.; Lehtinen, M.; Kaila, K.
In: Annales Geophysicae ; 14, no. 11
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1996
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| 2 |
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Comparison of F-region electron density observations by satellite radio tomography and incoherent scatter methods
Nygrén, T.; Markkanen, M.; Lehtinen, M.; Tereshchenko, E. D.; Khudukon, B. Z.; Evstafiev, O. V.; Pollari, P.
In: Annales Geophysicae ; 14, no. 12
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1996
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| 3 |
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Application of tomographic inversion in studying airglow in the mesopause region
Nygrén, T.; Taylor, M. J.; Lehtinen, M. S.; Markkanen, M.
In: Annales Geophysicae ; 16, no. 10
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1998
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| 4 |
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New techniques for auroral irregularity studies with COSCAT
Eglitis, P.; McCrea, I. W.; Robinson, T. R.; Nygrén, T.; Schlegel, K.; Turunen, T.; Jones, T. B.
In: Annales Geophysicae ; 16, no. 10
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1998
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| 5 |
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Anisotropy of ionospheric irregularities determined from the amplitude of satellite signals at a single receiver
Tereshchenko, E. D.; Khudukon, B. Z.; Kozlova, M. O.; Nygrén, T.
In: Annales Geophysicae ; 17, no. 4
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1999
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| 6 |
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Comparison of the orientation of small-scale electron density irregularities and F region plasma flow direction
Tereshchenko, E. D.; Khudukon, B. Z.; Kozlova, M. O.; Evstafiev, O. V.; Nygrén, T.; Rietveld, M. T.; Brekke, A.
In: Annales Geophysicae ; 18, no. 8
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2000
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| 7 |
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Irregular structures of the F layer at high latitudes during ionospheric heating
Tereshchenko, E. D.; Kozlova, M. O.; Evstafiev, O. V.; Khudukon, B. Z.; Nygrén, T.; Rietveld, M.; Brekke, A.
In: Annales Geophysicae ; 18, no. 9
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2000
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| 8 |
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High resolution observations of sporadic-E layers within the polar cap ionosphere using a new incoherent scatter radar experiment
Damtie, B.; Nygrén, T.; Lehtinen, M. S.; Huuskonen, A.
In: Annales Geophysicae ; 20, no. 9
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2002
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| 9 |
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Decoding of Barker-coded incoherent scatter measurements by means ofmathematical inversion
Damtie, B.; Lehtinen, M. S.; Nygrén, T.
In: Annales Geophysicae ; 22, no. 1
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2004
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| 10 |
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Optimal binary phase codes and sidelobe-free decoding filters with application to incoherent scatter radar
Lehtinen, M. S.; Damtie, B.; Nygrén, T.
In: Annales Geophysicae ; 22, no. 5
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2004
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| 11 |
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The F-region trough: seasonal morphology and relation to interplanetary magnetic field
Voiculescu, M.; Virtanen, I.; Nygrén, T.
In: Annales Geophysicae ; 24, no. 1
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2006
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| 12 |
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IMF effect on sporadic-E layers at two northern polar cap sites: Part I – Statistical study
Voiculescu, M.; Aikio, A. T.; Nygrén, T.; Ruohoniemi, J. M.
In: Annales Geophysicae ; 24, no. 3
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2006
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| 13 |
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IMF effect on sporadic-E layers at two northern polar cap sites: Part II – Electric field
Nygrén, T.; Aikio, A. T.; Voiculescu, M.; Ruohoniemi, J. M.
In: Annales Geophysicae ; 24, no. 3
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2006
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| 14 |
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Lag profile inversion method for EISCAT data analysis
Virtanen, I. I.; Lehtinen, M. S.; Nygrén, T.; Orispää, M.; Vierinen, J.
In: Annales Geophysicae ; 26, no. 3
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2008
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| 15 |
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The role of electric field and neutral wind in the generation of polar cap sporadic E
Nygrén, T.; Voiculescu, M.; Aikio, A. T.
In: Annales Geophysicae ; 26, no. 12
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2008
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| 16 |
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Calculation of signal spectrum by means of stochastic inversion
Nygrén, T.; Ulich, Th.
In: Annales Geophysicae ; 28, no. 7
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2010
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| 17 |
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High-precision measurement of satellite velocity using the EISCAT radar
Nygrén, T.; Markkanen, J.; Aikio, A.; Voiculescu, M.
In: Annales Geophysicae ; 30, no. 10
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2012
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| 18 |
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High-precision measurement of satellite range and velocity using the EISCAT radar
Markkanen, J.; Nygrén, T.; Markkanen, M.; Voiculescu, M.; Aikio, A.
In: Annales Geophysicae ; 31, no. 5
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2013
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| 19 |
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Neutral wind and electric field calculation from monostatic IS radar measurements by means of stochastic inversion
Aikio, A.; Nygrén, T.; Kuula, R.; Voiculescu, M.
In: GRA - Volume 14
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2012
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| 20 |
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Energy exchange rates between the ionosphere-thermosphere system and the magnetosphere at high latitudes
Aikio, A.; Cai, L.; Nygrén, T.; Kuula, R.
In: GRA - Volume 14
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2012
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Sie haben gesucht nach VerfasserIn: 'Nygrén, T.', in der Datenbank: Bibliothekskatalog.
Anzahl der Treffer: 21
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