Ales Bezdek – Publications

Papers

• Klokočník J, Bezděk A, Kostelecký J, 2012. GNSS-R concept extended by a fine orbit tuning. Advances in Space Research 49, 957–965. http://dx.doi.org/10.1016/j.asr.2011.12.008
• Bezděk A, Klokočník J, Kostelecký J, Floberghagen R, Sebera J, 2010. Some aspects of the orbit selection for the measurement phases of GOCE. Proceedings of the ESA Living Planet Symposium, Bergen, Norway, 28 June–2 July, ESA SP-686. Bezdek_et_al_2010_Some_aspects_of_the_orbit_selection_for_the_measurement_phases_of_GOCE.pdf (634.6 kB)
• Bezděk A, 2010. Calibration of accelerometers aboard GRACE satellites by comparison with POD-based nongravitational accelerations. Journal of Geodynamics 50(5), 410–423. http://dx.doi.org/10.1016/j.jog.2010.05.001
• Klokočník J, Bezděk A, Kostelecký J, Sebera J, 2010. Orbit tuning of planetary orbiters for accuracy gain in gravity-field mapping. Journal of guidance, control, and dynamics 33(3), 853–861. http://dx.doi.org/10.2514/1.46223
• Bezděk, A., Klokočník, J., Kostelecký, J., Floberghagen, R., Gruber, C., 2009. Simulation of free fall and resonances in the GOCE mission. Journal of Geodynamics 48(1), 47–53, http://dx.doi.org/10.1016/j.jog.2009.01.007
• Klokočník J, Kostelecký J, Novák P, Bezděk A, Gruber Ch, Sebera J. Mapování gravitačního pole Země pomocí družice GOCE. Geodetický a kartografický obzor 8/2009.
• Klokočník, J., Wagner, C. A., Kostelecký, J., Bezděk, A., Novák, P., McAdoo, D., 2008. Variations in the accuracy of gravity recovery due to ground track variability: GRACE, CHAMP, and GOCE. Journal of Geodesy 82, 917–927. http://dx.doi.org/10.1007/s00190-008-0222-0
• Ditmar P, Bezdek A, Liu X, Zhao Q, 2008. On a feasibility of high-precision gravity field modeling based on data from non-dedicated satellite missions. In: Sideris, M. G. (Ed.), Observing our Changing Earth. Springer Berlin Heidelberg, 307–313. http://dx.doi.org/10.1007/978-3-540-85426-5_36
• Bezdek, A., 2007. Lognormal distribution of the observed and modelled neutral thermospheric densities. Stud. Geophys. Geod. 51, 461–468. Bezdek_2007_Lognormal_distribution_of_the_observed_and_modelled_neutral_thermospheric_densities.pdf (380.3 kB)
• Bezdek, A., 2006. Prediction of the orbital evolution for LEO geodetic satellites. In Proceedings of the Fifth International Symposium «Turkish-German Joint Geodetic Days», Berlin, Germany, 28–31 March, ISBN 3-9809030-4-4. Bezdek_2006_Prediction_of_the_orbital_evolution_for_LEO_geodetic_satellites.pdf (3 211.8 kB)
• Bezdek, A., 2004. Semianalytic theory of motion for LEO satellites under air drag. In Proceedings of the 18th International Symposium on Space Flight Dynamics, Munich, Germany, Oct. 11–15, ESA SP-548, 615–620. Bezdek_2004_Stoag_theory_-_ISSFD_paper.pdf (4 832.2 kB)
• Bezdek, A., Vokrouhlicky, D., 2004. Semianalytic theory of motion for close-Earth spherical satellites including drag and gravitational perturbations. Planet. Space Sci. 52(14), 1233–1249. http://dx.doi.org/10.1016/j.pss.2004.08.004

Posters

• Bezděk A, Klokočník J, Kostelecký J, Sebera J, 2011. Gravity field modelling from kinematic positions using the generalized least squares. Presented at 4th International GOCE User Workshop, Technische Universität München, Germany, 31 March – 1 April.     Bezdek_et_al_2011_Gravity_field_modelling_from_kinematic_positions_(poster).pdf (1 386.3 kB)
• Bezděk A, Klokočník J, Kostelecký J, Floberghagen R, Sebera J, 2010. Fine orbit tuning to increase the accuracy of the gravity-field modelling. Presented at 2010 AGU Fall Meeting, 13–17 December, Moscone Convention Center, San Francisco, California, USA.     Bezdek_et_al_2010_Fine_orbit_tuning_to_increase_the_accuracy_of_the_gravity-field_modelling_(poster).pdf (3 313.8 kB)
• Sebera J, Wagner CA, Bezděk A, Bouman J, Klokočník J, Kostelecký J, Novák P, 2010. Gravitational tensor in the GOCE reference frame by direct harmonic synthesis. EGU General Assembly, Vienna, Austria, 2--7 May.
• Bezděk, A., 2009. Calibration of accelerometers aboard GRACE satellites by comparison with GPS-based nongravitational accelerations. ESA's Second Swarm International Science Meeting, GFZ, Potsdam, Germany, 24–26 June.     Bezdek_2009_Calibration_of_accelerometers_aboard_GRACE_satellites_by_comparison_with_GPS_based_nongravitational_accelerations_(poster).pdf (3 187.0 kB)
• Bezděk, A., Klokočník, J., Kostelecký, J., Floberghagen, R., Gruber, C., 2009. Simulation of free fall and resonances in the forthcoming GOCE mission. EGU General Assembly, Vienna, Austria, 19–24 April.     Bezdek_et_al_2009_Simulation_of_free_fall_and_resonances_in_the_forthcoming_GOCE_mission(EGU_poster).pdf (2 149.4 kB)

Presentations

• Bezděk A, Sebera J, Klokočník J, Kostelecký J, 2011. Globální model gravitačního pole z dráhových dat družic CHAMP, GRACE a GOCE. Seminář Výzkumného centra dynamiky Země, Třešť, 16. listopadu 2011. Bezdek_et_al_2011_Globalni_model_gravitacniho_pole_z_inverze_drahovych_dat_druzic_CHAMP,_GRACE_a_GOCE_(Trest).pdf (2 987.8 kB)
• Bezděk A, 2011. Časové řady a modely gravitačního pole z inverze drah družic CHAMP, GRACE a GOCE. Seminář Astronomického ústavu UK, 9. listopadu 2011. Bezdek_2011_Casove_rady_a_modely_gravitacniho_pole_z_inverze_drah_druzic_CHAMP,_GRACE_a_GOCE.pdf (4 270.1 kB)
• Bezděk A, Klokočník J, Kostelecký J, Floberghagen R, Sebera J, 2010. Some aspects of the orbit selection for the measurement phases of GOCE. ESA Living Planet Symposium, Bergen, Norway, 28 June–2 July. Bezdek_et_al_2010_Some_aspects_of_the_orbit_selection_for_the_measurement_phases_of_GOCE_ppt.pdf (1 107.3 kB)
• Sebera J, Bosch W, Bouman J, Kostelecký J, Klokocnik J, Bezdek A, 2010. Upward Continuation of Satellite Altimeter Data for GOCE Validation. ESA Living Planet Symposium, Bergen, Norway, 28 June–2 July.
• Klokocnik, J., Bezdek, A., Kostelecky, J., Floberghagen, R., Gruber, Ch., 2008. Resonances and GOCE orbit selection. EGU General Assembly, Vienna, Austria, 13–18 April.
• Gruber C, Bezdek A, Novak P, 2008. Numerical analysis of geopotential differences derived from GRACE perturbation rates using lumped harmonic coefficients. EGU General Assembly, Vienna, Austria, 13–18 April.
• Klokocnik J, Wagner CA, McAdoo D, Kostelecky J, Bezdek A, Novak P, Gruber C, 2007. Changes in accuracy of gravity field recovery due to ground track variability: CHAMP, GRACE and GOCE. AGU Fall Meeting, San Francisco, December.
• Klokocnik J, Wagner CA, McAdoo D, Kostelecky J, Bezdek A, Novak P, 2007. Non-homogeneities in the accuracy of earth gravity parameters from CHAMP, GRACE and GOCE. EGU General Assembly, Vienna, 15–20 April.
• Gruber C, Bezdek A, 2007. GRACE Gravity field recovery from simulated data with an alternative processing approach EGU General Assembly, Vienna, Austria, 15–20 April.
• Bezdek, A., Biancale, R., Bruinsma, S., Lathuillère, C., Menvielle, M., Valette, J. J., 2006. Neutral thermosphere modelling using sectorial geomagnetic indices. COSPAR Scientific Assembly, Beijing, China, 16–23 July.
• Bezdek, A., 2006. Lognormal distribution of the observed and modelled neutral thermospheric densities. COSPAR Scientific Assembly, Beijing, China, 16–23 July.
• Wagner, C. A., Klokocnik, J., McAdoo, D., Kostelecky, J., Bezdek, A., 2006. Degradation of geopotential recovery of GRACE monthly solutions due to orbit resonances. EGU General Assembly, Vienna, Austria, 2–7 April.
• Kostelecky, J., Klokocnik, J., Wagner, C. A., Scharroo, R., Gruber, Ch., Bezdek, A., Doornbos, E., Novak, P., 2006. Degradation in accuracy of CHAMP/GRACE-only Earth Gravity Field models. EGU General Assembly, Vienna, Austria, 2–7 April.

Other

• Ph.D. thesis (in Czech, abstract in English):
  Bezděk, A., 2004. Mikroakcelerometrická měření negravitačních sil v okolí Země (simulace a analýza dat družice Mimosa). Matematicko-fyzikální fakulta, Univerzita Karlova v Praze.
  Bezdek, A., 2004. Microaccelerometric measurements of the nongravitational forces in the near Earth space environment (simulation and analysis of data from the Mimosa satellite). Faculty of Mathematics and Physics, Charles University Prague. bezdek_2004_abstract_of_doctoral_thesis.pdf (5 185.8 kB)

Links to web pages of my colleagues

• Jaroslav Klokočník
• Josef Sebera

Any comments or questions will be appreciated – if you have some, write me an e-mail: Ales Bezdek <>.
Alternative email address (in case your email was returned by our anti-spam system):

Last modified: 7 February 2012 09:06:02.