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13 December 2018 The requirement justification to the ionosphere models for the UHF-SHF radars
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Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108339O (2018) https://doi.org/10.1117/12.2504294
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation
Abstract
We discuss the role and the usage of the ionosphere models in the improvement of UHF-SHF radar operation. The up-to-date empirical ionosphere models (International Reference Ionosphere (IRI), Fully Analytical Ionosphere Model (FAIM), Ne-Quick2) have too crude spatial and temporal resolution. The aforementioned models cannot describe the localized irregularities (like traveling ionospheric disturbances or waves) which, in turn, are regularly observed at the midlatitude high frequency chirp ionosonde. In the presence of such irregularities the additional range error in UHF range can exceed 1-2 km. The poorly known quasi-random nature of such irregularities leads us to the unique solution, namely, the rejecting of the laminar layered ionosphere in favor of the random electron density field. Such new probabilistic ionosphere model must be elaborated and verified on the experimental data.
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S. I. Kozlov, A. N. Lyakhov, S. V. Yakubovskiy, S. Z. Bekker, B. G. Gavrilov, Y. V. Poklad, and V. M. Ermak "The requirement justification to the ionosphere models for the UHF-SHF radars", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108339O (13 December 2018); https://doi.org/10.1117/12.2504294
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