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Gotowa bibliografia na temat „ELF-VLF waves”

Autor: Grafiati

Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "ELF-VLF waves"

1

Barr, R., D. Llanwyn Jones, and C. J. Rodger. "ELF and VLF radio waves." Journal of Atmospheric and Solar-Terrestrial Physics 62, no. 17-18 (2000): 1689–718. http://dx.doi.org/10.1016/s1364-6826(00)00121-8.

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Chang, S. S., B. B. Ni, J. Bortnik, et al. "Resonant scattering of energetic electrons in the plasmasphere by monotonic whistler-mode waves artificially generated by ionospheric modification." Annales Geophysicae 32, no. 5 (2014): 507–18. http://dx.doi.org/10.5194/angeo-32-507-2014.

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Abstract. Modulated high-frequency (HF) heating of the ionosphere provides a feasible means of artificially generating extremely low-frequency (ELF)/very low-frequency (VLF) whistler waves, which can leak into the inner magnetosphere and contribute to resonant interactions with high-energy electrons in the plasmasphere. By ray tracing the magnetospheric propagation of ELF/VLF emissions artificially generated at low-invariant latitudes, we evaluate the relativistic electron resonant energies along the ray paths and show that propagating artificial ELF/VLF waves can resonate with electrons from

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3

Zhima, Zeren, Yunpeng Hu, Xuhui Shen, et al. "Storm-Time Features of the Ionospheric ELF/VLF Waves and Energetic Electron Fluxes Revealed by the China Seismo-Electromagnetic Satellite." Applied Sciences 11, no. 6 (2021): 2617. http://dx.doi.org/10.3390/app11062617.

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This study reports the temporal and spatial distributions of the extremely/very low frequency (ELF/VLF) wave activities and the energetic electron fluxes in the ionosphere during an intense storm (geomagnetic activity index Dst of approximately −174 nT) that occurred on 26 August 2018, based on the observations by a set of detectors onboard the China Seismo-Electromagnetic Satellite (CSES). A good correlation of the ionospheric ELF/VLF wave activities with energetic electron precipitations during the various storm evolution phases was revealed. The strongest ELF/VLF emissions at a broad freque

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4

Platino, M., U. S. Inan, T. F. Bell, et al. "Cluster observations of ELF/VLF signals generated by modulated heating of the lower ionosphere with the HAARP HF transmitter." Annales Geophysicae 22, no. 7 (2004): 2643–53. http://dx.doi.org/10.5194/angeo-22-2643-2004.

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Abstract. It is now well known that amplitude modulated HF transmissions into the ionosphere can be used to generate ELF/VLF signals using the so-called "electrojet antenna". Although most observations of the generated ELF/VLF signals have been made on the ground, several low and high-altitude satellite observations have also been reported (James et al., 1990). One of the important unknowns in the physics of ELF/VLF wave generation by ionospheric heating is the volume of the magnetosphere illuminated by the ELF/VLF waves. In an attempt to investigate this question further, ground-satellite con

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5

Guo, Zhe, Hanxian Fang, and Farideh Honary. "The Generation of ULF/ELF/VLF Waves in the Ionosphere by Modulated Heating." Universe 7, no. 2 (2021): 29. http://dx.doi.org/10.3390/universe7020029.

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One of the most important effects of ionospheric modification by high power, high frequency (HF) waves is the generation of ultra low frequency/extremely low frequency/very low frequency (ULF/ELF/VLF) waves by modulated heating. This paper reviews the scientific achievements of the past five decades regarding the main mechanisms of excitation of ULF/ELF/VLF waves and discusses their characteristics, such as their electrojet dependency, the location of the source region, continuous and discontinuous waves, the number of HF arrays, and the suitable range of the modulation frequency for different

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6

Błęcki, Jan, Roman Wronowski, Jan Słomiński, Sergey Savin, Rafał Iwański, and Roger Haagmans. "Comparative Study of the Energetic Electrons Registered Together with the Broad Band Emissions in Different Regions of the Ionosphere." Artificial Satellites 55, no. 4 (2020): 130–49. http://dx.doi.org/10.2478/arsa-2020-0010.

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Abstract ELF/VLF waves have been registered in the outer polar cusps simultaneously with high energy electrons fluxes by the satellites Magion 4 (subsatellite to Interball 1), Polar and CLUSTER. Further, we discuss similar observations in the different regions of the ionosphere, where DEMETER registered energetic electrons. The DEMETER satellite operating on the nearly polar orbit at the altitude 650 km crossed different regions in the ionosphere. Registrations of ELF/VLF/HF waves together with the energetic electrons in the polar cusp, in the ionospheric trough and over thunderstorm areas are

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7

Hayakawa, M., A. Schekotov, J. Izutsu, and A. P. Nickolaenko. "Seismogenic effects in ULF/ELF/VLF electromagnetic waves." INTERNATIONAL JOURNAL OF ELECTRONICS AND APPLIED RESEARCH 06, no. 02 (2019): 1–86. http://dx.doi.org/10.33665/ijear.2019.v06i02.001.

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Koshevaya, S., N. Makarets, V. Grimalsky, A. Kotsarenko, and R. Perez Enríquez. "Spectrum of the seismic-electromagnetic and acoustic waves caused by seismic and volcano activity." Natural Hazards and Earth System Sciences 5, no. 2 (2005): 203–9. http://dx.doi.org/10.5194/nhess-5-203-2005.

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Abstract. Modeling of the spectrum of the seismo-electromagnetic and acoustic waves, caused by seismic and volcanic activity, has been done. This spectrum includes the Electromagnetic Emission (EME, due to fracturing piezoelectrics in rocks) and the Acoustic Emission (AE, caused by the excitation and the nonlinear passage of acoustic waves through the Earth's crust, the atmosphere, and the ionosphere). The investigated mechanism of the EME uses the model of fracturing and the crack motion. For its analysis, we consider a piezoelectric crystal under mechanical stresses, which cause the uniform

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9

DOWDEN, Richard L. "Generation of VLF and ELF waves for active probing." Journal of geomagnetism and geoelectricity 40, no. 10 (1988): 1131–40. http://dx.doi.org/10.5636/jgg.40.1131.

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10

Chen, Jing, Jutao Yang, Qingliang Li, et al. "ELF/VLF Wave Radiation Experiment by Modulated Ionospheric Heating Based on Multi-Source Observations at EISCAT." Atmosphere 13, no. 2 (2022): 228. http://dx.doi.org/10.3390/atmos13020228.

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Ground-based high-frequency modulated waves can periodically heat the ionosphere and create “virtual antennas”, which can radiate extremely low frequency (ELF, 0.3–3 kHz) or very low frequency (VLF, 3–30 kHz) waves for long-distance communication. Ionospheric X-mode and O-mode heating experiments using amplitude and beat-wave (BW) modulations were conducted on 21 November 2019. Experimental results were analyzed from multiple perspectives based on data from Dynasonde, a magnetometer, stimulated electromagnetic emissions, an ELF/VLF signal receiver, and ultra-high-frequency radar. The strongest

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