Synonyme wurden verwendet für: IN RESEARCH SPACE
Suche ohne Synonyme: title: ADVANCES IN SPACE RESEARCH -OXFORD

1–20 von 35 Ergebnissen
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    Where does the Thermospheric Ionospheric GEospheric Research (TIGER) Program go?

    Schmidtke, G. / Avakyan, S.V. / Berdermann, J. et al. | Elsevier | 2015
    in-flight calibration as experienced with the ISS SOLAR payload, for the development of a space weather camera for observing and ...

    Thickness parameters in the empirical modeling of bottomside electron density profiles

    Radicella, S.M. / Alazo-Cuartas, K. / Migoya-Orué, Y. et al. | Elsevier | 2020
    trend towards data assimilation in such models to give near real time 3D specification of the electron density, the efficiency of such ...

    Topside electron density in IRI and NeQuick: Features and limitations

    Coïsson, P. / Radicella, S.M. / Leitinger, R. et al. | Elsevier | 2005
    experimental electron density data. Different modeling approaches have been applied in empirical models, like IRI, and profilers, like NeQuick ...

    On the use of NeQuick topside option in IRI-2007

    Coïsson, P. / Nava, B. / Radicella, S.M. | Elsevier | 2008
    the topside electron density profile. One of the possible choices is based on NeQuick model. Its inclusion in IRI has been made transferring ...

    Evaluation of Precise Point Positioning accuracy under large total electron content variations in equatorial latitudes

    Rodríguez-Bilbao, I. / Moreno Monge, B. / Rodríguez-Caderot, G. et al. | Elsevier | 2014
    . PPP accuracy reduction is observed in periods of large ROT ...

    Validation of the STORM model used in IRI with ionosonde data

    Miró Amarante, G. / Cueto Santamaría, M. / Alazo, K. et al. | Elsevier | 2007
    AbstractThe empirical ionospheric storm correction model STORM included in the ...

    Characterization of GNSS amplitude scintillations over Addis Ababa during 2009–2013

    Akala, A.O. / Ejalonibu, A.H. / Doherty, P.H. et al. | Elsevier | 2017
    occurrences of scintillations were recorded in April and least in June.Scintillations over Addis ...

    An improved empirical formulation of an ionosphere bottomside electron density profile thickness parameter

    Alazo-Cuartas, K. / Radicella, S.M. | Elsevier | 2017
    point” of the bottomside ionospheric electron density profile is proposed. The “base point” in an ionospheric layer is defined by the electron ...

    GPS-VTEC measurements and IRI predictions in the South American sector

    Ezquer, R.G. / Brunini, C. / Mosert, M. et al. | Elsevier | 2004
    satellite signals during 1999 are used to check the validityof the international reference ionosphere (IRI) to predict this ionospheric variable in ...

    Day-to-day variability of ionospheric characteristics in the American sector

    Ezquer, R.G. / Mosert, M. / Corbella, R. et al. | Elsevier | 2004
    the variability of ƒoF2 is high in low solar activity and larger at night than during the day. Most of the ...

    Topside ionosphere and plasmasphere: Use of NeQuick in connection with Gallagher plasmasphere model

    Cueto, M. / Coïsson, P. / Radicella, S.M. et al. | Elsevier | 2007
    formulation, which allows taking into account the electron content up to 20,000km. In the present work, the Gallagher model has been used ...

    Validation of B0 and B1 in the IRI 2001 model at low solar activity for Ilorin an equatorial station

    Adeniyi, J.O. / Radicella, S.M. / Adimula, I.A. et al. | Elsevier | 2007
    (geog. latitude 8.5°N, geog longitude, 4.6°E, dip 4.1°S) is used to validate the IRI 2001 model at low solar activity. The results show in ...

    Comparison of topside electron density computed by ionospheric models and plasma density observed by DMSP satellites

    Migoya-Orue, Y.O. / Radicella, S.M. / Nava, B. | Elsevier | 2013
    IRI-Corr) and NeQuick models in their standard versions have been compared with plasma density values measured by F13 and F15 DMSP satellites ...

    Correlation analysis of normalized ROTI and S4 as observed during different geomagnetic conditions of the 2013 September equinox over the stations within EIA African sector

    Abe, O.E. / Migoya-Orué, Y.O. / Radicella, S.M. | Elsevier | 2022
    Abstract It has been a concern of space scientists and engineers for ...

    On the time of minimum ionization in the F2 region

    Ezquer, R.G. / Cabrera, M.A. / Mosert, M. et al. | Elsevier | 2007
    times earlier than that observed in the measurements. The percentages of good predictions obtained with URSI option are lower than those ...

    Day-to-day changes in experimental electron density profiles and their implications to IRI model

    Miró Amarante, G. / Cueto Santamaría, M. / Mosert de González, M. et al. | Elsevier | 2004
    AbstractThe electron density variability at fixed heights is studied for use in ...

    Use of total electron content data to analyze ionosphere electron density gradients

    Nava, B. / Radicella, S.M. / Leitinger, R. et al. | Elsevier | 2007
    AbstractIn the presence of electron density gradients the thin shell ...

    Use of raytracing in models to investigate ionospheric channel performance

    Miró Amarante, G. / Radicella, S.M. | Elsevier | 2006
    analysis has considered different hourly ionospheric conditions for four quiet days (25–28 March 2000) and five geographic locations distributed in ...

    Global validation of IRI TEC for high and medium solar activity conditions

    Coïsson, P. / Radicella, S.M. / Ciraolo, L. et al. | Elsevier | 2007
    IRI-2007-NeQuick option generally improves the estimate of the slant TEC, especially in the case of high latitudes stations during high solar ...