Hm-wave filtration in a horizontally stratified Earth's magnetosphere |
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| Authors: | Karel Prikner Reviewer G Siráň |
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| Institution: | (1) Geophysical Institute, Czechosl. Acad. Sci., Prague |
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| Abstract: | Summary Drawing on papers 4, 5] a semi-quantitative model of filtration and resonance of a linearly polarized HM-wave has been constructed in a horizontally stratified Earth atmosphere. The wave is filtered in a system of 3 homogeneous layers, limited by two halfspaces. Attenuation of the wave is only assumed in the lower layer, i.e. in the ionosphere. A relation has been derived for the amplitude coupling factor  HT/HF expressing the absolute ratio of the amplitude of the wave after transmission through the system of layers and the amplitude of the wave, incident at the system of layers. The mechanism of geomagnetic pulsations is illustrated on the principle of the resonance of a HM-wave in the Earth's magnetosphere. The magnetosphere has been replaced by the said system of layers, and the dependence of HT/HF=f( ) on the parameters of the system of layers has been studied using a computer. |
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