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Author

Hitoshi Ito

Bio: Hitoshi Ito is an academic researcher. The author has contributed to research in topics: Ionosphere & Electron density. The author has an hindex of 1, co-authored 2 publications receiving 2 citations.


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Proceedings ArticleDOI
01 Dec 2018
TL;DR: The characteristics of VLF wave propagation in earth-ionosphere waveguide are analyzed and the influence of ground electrical characteristics, ionospheric electrical characteristics and wave characteristic parameters on the communication of underwater platforms is pointed out.
Abstract: VLF communication is one of the most effective means to command underwater platform at present. However, the reliability of VLF communication will be degraded due to various factors in the process of VLF signal propagation. In this paper, the characteristics of VLF wave propagation in earth-ionosphere waveguide are analyzed. The influence of ground electrical characteristics, ionospheric electrical characteristics and wave characteristic parameters on the communication of underwater platforms is pointed out. By studying these laws and making use of the good predictability of the VLF band, the attenuation and disturbance in the propagation process can be predicted. So we can achieve the best communication effect and improve the reliability of the underwater platform VLF communication.