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Response of the outer cusp to the IMF rotation
Šimůnek, Jiří; Šafránková, J.; Němeček, Z.
2001 - English
The paper uses the INTERBALL-1 and MAGION=4 data to study the topology and dynamics of high-altitude cusp regions under changing solar wind conditions and interplanetary magnetic field (IMF) orientation. Preliminary analysis of the MAGION-4 ion energy spectra indicates the presence of the magnetosheath-like plasma well below the expected magnetopause position and a large region occupied by low-temperature dense plasma with the very low bulk velocity near the magnetopause.
Keywords:
two point observations; high-altitude cusp; two-point observations
Available at various institutes of the ASCR
Response of the outer cusp to the IMF rotation
The paper uses the INTERBALL-1 and MAGION=4 data to study the topology and dynamics of high-altitude cusp regions under changing solar wind conditions and interplanetary magnetic field (IMF) ...
Symmetric probe in drifting plasma
Fiala, Vladimír; Jásenský, Václav; Váňa, Ondřej
2001 - English
Here we are presenting a preliminary study of a probe designed for measurement of plasma drift by means of a transfer impedance probe operated near oblique resonance in a magnetized plasma.
Keywords:
plasma drift; Symmetric Probe; resonance cones
Available at various institutes of the ASCR
Symmetric probe in drifting plasma
Here we are presenting a preliminary study of a probe designed for measurement of plasma drift by means of a transfer impedance probe operated near oblique resonance in a magnetized plasma.
Numerical simulations of strong Turbulence
Jásenský, Václav; Trávníček, Pavel; Váňa, Ondřej
2001 - English
The algorithm developed and tested in our previous paper (Jásenský et al.) for numerical solving of Zakharov equations is used for simulations of strong turbulence. The creation and anihilation of caverns is observed in order to predictions of Zakharov and Robinson theory.
Keywords:
Strong Turbulence; Zakharov Equations; Numeric Simulations Solitons
Available at various institutes of the ASCR
Numerical simulations of strong Turbulence
The algorithm developed and tested in our previous paper (Jásenský et al.) for numerical solving of Zakharov equations is used for simulations of strong turbulence. The creation and anihilation of ...
Research of Rain Rate Statistics, Rain Type Recognition and Radio Refractive Index Computation in Space in order to improve the Radiocommunication Planning
Fišer, Ondřej
2001 - English
This contribution informs about the contribution of the Institute of Atmospheric Physics in Prague to the described grant of GACR. Particularly it is: radio refractive index study, long term rain rate statistics and its stability as well as rain rate measurements, rain type assessment and experimental measurement of attenuation on 58 GHz link.
Keywords:
radio wave propagation; atmospheric attenaation; refractive index
Available at various institutes of the ASCR
Research of Rain Rate Statistics, Rain Type Recognition and Radio Refractive Index Computation in Space in order to improve the Radiocommunication Planning
This contribution informs about the contribution of the Institute of Atmospheric Physics in Prague to the described grant of GACR. Particularly it is: radio refractive index study, long term rain rate ...
Basic Study of the Radio Refractive Index Values in CZ and Sensitivity Tests
Fišer, Ondřej
2001 - English
The radio refractive index was computed from the data of radio soundings in Prague and the statistical results are shown.
Keywords:
radio wave propagation; measurements; refractive index
Available at various institutes of the ASCR
Basic Study of the Radio Refractive Index Values in CZ and Sensitivity Tests
The radio refractive index was computed from the data of radio soundings in Prague and the statistical results are shown.
Numerical computation of Radiation of Dipole antennas in magnetized plasma
Jásenský, Václav; Trávníček, Pavel; Váňa, Ondřej
2001 - English
We are presenting here the computation of electric field of an V-dipole antenna which is a part of OEDIPUS-C experiment. The field is computed using both numerical Filon method and stationary phase method. It seems that for the points sufficiently far-away from the resonance connes both methods give the same result. the field is computed analytically in the cold plasma approximation.
Keywords:
V-dipole anntena; Filon Method; Stationary phase method
Available at various institutes of the ASCR
Numerical computation of Radiation of Dipole antennas in magnetized plasma
We are presenting here the computation of electric field of an V-dipole antenna which is a part of OEDIPUS-C experiment. The field is computed using both numerical Filon method and stationary phase ...
Inverse Method for Satellite Radar Investigation of Planetary Geological Properties
Souček, Jan; Trávníček, Pavel
2001 - English
Inverse scattering method for reconstruction of dielectric properties of planetary rocks from satellite radar experiments is described.
Keywords:
inverse scattering; radar geology
Available at various institutes of the ASCR
Inverse Method for Satellite Radar Investigation of Planetary Geological Properties
Inverse scattering method for reconstruction of dielectric properties of planetary rocks from satellite radar experiments is described.
Analysis of Nonlinear Energy Transfers in Simulated Turbulence of Langmuir Waves
Souček, Jan; Dudok de Wit, T.; Krasnoselskikh, V.; Volokitin, A.
2001 - English
Paper presents results of nonlinear analysis of simulated Langmuir turbulence data using high order spectra and Volterra models.
Keywords:
plasma turbulence; Langmuir waves; nonlinear wave interaction
Available at various institutes of the ASCR
Analysis of Nonlinear Energy Transfers in Simulated Turbulence of Langmuir Waves
Paper presents results of nonlinear analysis of simulated Langmuir turbulence data using high order spectra and Volterra models.
The annual air temperature ranges and selected statistics computed from GCM's outputs and measured datasets
Farda, A.; Kalvová, J.; Nemešová, Ivana
2001 - English
The emphasis is put on the ability of the Global Climate Models (GCMs) to simulate annual ranges of air temperature. For a small prt of Central Europe modela are able to capture general features of annual temperature range behavior quite well at a global scale. ECHAM4 and HadCM2 outperform remaining two models CGCM1 and NCAR DOE-PCM.
Keywords:
GCM climate model; annual temperature range; validity
Available at various institutes of the ASCR
The annual air temperature ranges and selected statistics computed from GCM's outputs and measured datasets
The emphasis is put on the ability of the Global Climate Models (GCMs) to simulate annual ranges of air temperature. For a small prt of Central Europe modela are able to capture general features of ...
Computer simulation of satellite geological investigation results
Souček, Jan; Trávníček, Pavel
2000 - English
Inverse scattering problem is solved in view of remote sensing of planetary or Lunar surface layers by means of ground penetration radar, with application to the Lunarsat project.
Available at various institutes of the ASCR
Computer simulation of satellite geological investigation results
Inverse scattering problem is solved in view of remote sensing of planetary or Lunar surface layers by means of ground penetration radar, with application to the Lunarsat project.
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