Dr. Vladimir M. Ermak Profile

Dr. Vladimir M. Ermak

at Institute of Geospheres Dynamics

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Author

Publications (9)

Proceedings Article | 16 December 2021 Paper

Change in the ionospheric parameters during f series of x-ray flares on September 6-10, 2017

Yu. Poklad, K. Babaykina, V. Ermak, E. Kozakova, M. Plaksina, I. Ryakhovskiy

Proceedings Volume 11916, 119168E (2021) https://doi.org/10.1117/12.2603566

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Proceedings Article | 16 December 2021 Paper

Studies of the state and dynamics of the mid-latitude ionosphere according to the data of the radiophysical complex in the Geophysical Observatory Mikhnevo

I. Ryakhovskiy, B. Gavrilov, Yu. Poklad, S. Bekker, V. Ermak

Proceedings Volume 11916, 1191673 (2021) https://doi.org/10.1117/12.2603443

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Proceedings Article | 12 November 2020 Paper

Unipolar component of the electric field and vertical atmospheric currents according to the GFO “Mikhnevo”

V. Rybakov, B. Gavrilov, V. Ermak, Yu. Poklad, I. Ryakhovskiy, K. Babaykina

Proceedings Volume 11560, 115608T (2020) https://doi.org/10.1117/12.2575632

KEYWORDS: Atmospheric particles, Earth's atmosphere, Atmospheric sciences, Meteorology, Atmospheric physics, Sensors, Electrodes, Modulation, Distortion, Calibration

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Proceedings Article | 12 November 2020 Paper

Dependence of variation of parameters of the D-layer of the ionosphere during x-ray flashes of M and X classes from their energy

Yu. Poklad, B. Gavrilov, V. Ermak, A. Lyakhov, I. Ryakhovskiy, V. Rybakov

Proceedings Volume 11560, 115608P (2020) https://doi.org/10.1117/12.2575607

KEYWORDS: X-rays, Transmitters, Solar radiation models, Atmospheric propagation, Wave propagation, Solar radiation, Sun, Ionization, Waveguides, Radio propagation

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Proceedings Article | 18 December 2019 Paper

Variation of parameters of the D-layer of the ionosphere during powerfull solar x-ray flashes

Yu. Poklad, B. Gavrilov, V. Ermak, A. Lyakhov, I. Ryakhovskiy, V. Rybakov

Proceedings Volume 11208, 112089J (2019) https://doi.org/10.1117/12.2540948

KEYWORDS: X-rays, Transmitters, Ionization, Observatories, Ultraviolet radiation, Satellites, Atmospheric propagation, Solar processes, Solar radiation models, Earth's atmosphere

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Proceedings Article | 18 December 2019 Paper

Variation of frequency of first mode of Schumann resonance under solar x-ray flashes and its relation with helio-geophysical conditions

Yu. Poklad, V. Ermak, I. Ryakhovskiy, V. Rybakov

Proceedings Volume 11208, 1120895 (2019) https://doi.org/10.1117/12.2540671

KEYWORDS: X-rays, Resonators, Observatories, Magnetism, Atmospheric propagation, Radio propagation, Solar radiation models, Data modeling, Waveguides, Electromagnetism

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Proceedings Article | 13 December 2018 Paper

Influence of local time and power of solar x-ray flashes of M and X classes on the variation of frequency of first mode of Schumann resonance

Yu. Poklad, V. Ermak, I. Ryakhovskiy

Proceedings Volume 10833, 10833A2 (2018) https://doi.org/10.1117/12.2504511

KEYWORDS: X-rays, Resonators, Observatories, Data modeling, Magnetism, Magnetometers, Satellites, Earth's atmosphere, Waveguides, Electromagnetism

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Proceedings Article | 13 December 2018 Paper

The impact of the Chelyabinsk bolide on the lower ionosphere

Yu. Poklad, Yu. Rybnov, B. Gavrilov, I. Ryakhovskiy, V. Ermak

Proceedings Volume 10833, 108339I (2018) https://doi.org/10.1117/12.2504072

KEYWORDS: Wave propagation, Atmospheric propagation, Waveguides, Observatories, Radio propagation, Acoustics, Earth's atmosphere, Atmospheric particles, Transmitters, Estimation theory

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Proceedings Article | 13 December 2018 Paper

The requirement justification to the ionosphere models for the UHF-SHF radars

S. Kozlov, A. Lyakhov, S. Yakubovskiy, S. Bekker, B. Gavrilov, Y. Poklad, V. Ermak

Proceedings Volume 10833, 108339O (2018) https://doi.org/10.1117/12.2504294

KEYWORDS: Radar, Error analysis, Data modeling, Computer simulations, Numerical simulations, Wave propagation, Radio propagation, Refraction, Optimization (mathematics), Refractive index

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Showing 5 of 9 publications

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