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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2016-09-16
Numerical Simulations of ELF/VLF Wave Generated by Modulated Beat-Wave Ionospheric Heating in High Latitude Regions
By
Hai-Ying Li,

    Dr. Hai-Ying Li

    School of Science

    Xidian University

    China

    Homepage

Jie Zhan,

    Dr. Jie Zhan

    School of Physics and Optoelectronic Engineering

    Xidian University

    China

    Homepage

Zhen-Sen Wu,

    Prof. Zhen-Sen Wu

    School of Science

    Xidian University

    China

    Homepage

Pengfei Kong

    Dr. Pengfei Kong

    School of Physics and Optoelectronic Engineering

    Xidian University

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 50, 55-63, 2016
doi:10.2528/PIERM16062604 | Google Scholar

Abstract
Based on the theory of ionospheric heating, with the self-consistent model in the low ionosphere, the Extremely-Low-Frequency (ELF) and Very-Low-Frequency (VLF) waves generated by modulated beat-wave ionospheric heating are analyzed theoretically. In the consideration of the stratified ionosphere, the magnetic fields generated by the equivalent ELF/VLF dipole source above thesea surfaceare studied by using the quasi-longitudinal approximation method.Taking the high latitude regions as an example, the variations of the electron temperature, the increments of Pedersen and Hall conductivities and the changing of the oscillating current densitywith the modulation frequency in beat-wave heating are numerically discussed. The distribution of the magnetic fields ispresented. It turns out that in high latitude regions, the efficiency of rectangular wave modulated heating ingenerating ELF/VLF wave is higher than that of modulated beat-wave heating, and the order of magnitude of the magnetic fields received above the sea surface is 10-7 in beat-wave modulation.
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Citation
Hai-Ying Li, Jie Zhan, Zhen-Sen Wu, and Pengfei Kong, "Numerical Simulations of ELF/VLF Wave Generated by Modulated Beat-Wave Ionospheric Heating in High Latitude Regions," Progress In Electromagnetics Research M, Vol. 50, 55-63, 2016.
doi:10.2528/PIERM16062604
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