Complex diagnostics of disturbances in the ionospheric plasma parameters far from the trajectories of launched rockets |
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| Authors: | V P Burmaka L F Chernogor |
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| Institution: | 1. Institute of the Ionosphere, National Academy of Sciences of Ukraine, Ministry of Education and Science of Ukraine, ul. Krasnoznamennaya 16, Kharkov, 310002, Ukraine
2. Kharkov Karazin National University, Kharkov, Ukraine
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| Abstract: | Large-scale disturbances in the ionospheric plasma, caused by the spacecraft launches from the Baikonur site, have been analyzed based on the incoherent scatter radar measurements. The altitude-time dependences of the main plasma parameters (electron density and electron and ion temperatures at altitudes of ～100–600 km) have been analyzed. It has been indicated that spacecraft launches and flights are accompanied by the generation of wave-like disturbances in all considered parameters. It has been obtained that the relative amplitudes of these wave-like disturbances were usually 0.03–0.10, and the variation period was 20–60 min. The variations were shifted in phase relative to each other. The propagation velocities of wave-like disturbances were ～0.5–0.6 and 1.5–2 km/s. The up-to-date methods of spectral analysis, including the wavelet analysis, were used to estimate the parameters of the wave-like disturbances. |
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