dorsal/arxiv
View SchemaAnomalous attenuation of extraordinary waves in ionosphere heating experiments: experimental results of 2000-2001
| Authors | N. A. Zabotin, G. A. Zhbankov, E. S. Kovalenko, V. L. Frolov, G. P. Komrakov, N. A. Mityakov, E. N. Sergeev |
|---|---|
| Categories | |
| ArXiv ID | physics/0112092 |
| URL | https://arxiv.org/abs/physics/0112092 |
Abstract
Multiple scattering from artificial random irregularities HF-induced in the ionosphere F region causes significant attenuation of both ordinary and extraordinary radio waves together with the conventional anomalous absorption of ordinary waves due to their conversion into the plasma waves. To study in detail features of this effect, purposeful measurements of the attenuation of weak probing waves of the extraordinary polarization have been performed at the Sura heating facility. Characteristic scale lengths of the involved irregularities are ~0.1-1 km across the geomagnetic field lines. To determine the spectral characteristics of these irregularities from the extraordinary probing wave attenuation measurements, a simple procedure of the inverse problem solving has been implemented and some conclusions about the artificial irregularity features have been drawn. Theory and details of experiments have been stated earlier. This paper reports results of two experimental campaigns carried out in August 2000 and June 2001 under support of Russian Foundation for Basic Research (grants No. 99-02-17525 and No. 01-02-31008). Particularity of these experiments consisted in using of lower heating power (20-80 MW ERP). Regular character of the multiple scattering effects has been confirmed.
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"abstract": "Multiple scattering from artificial random irregularities HF-induced in the\nionosphere F region causes significant attenuation of both ordinary and\nextraordinary radio waves together with the conventional anomalous absorption\nof ordinary waves due to their conversion into the plasma waves. To study in\ndetail features of this effect, purposeful measurements of the attenuation of\nweak probing waves of the extraordinary polarization have been performed at the\nSura heating facility. Characteristic scale lengths of the involved\nirregularities are ~0.1-1 km across the geomagnetic field lines. To determine\nthe spectral characteristics of these irregularities from the extraordinary\nprobing wave attenuation measurements, a simple procedure of the inverse\nproblem solving has been implemented and some conclusions about the artificial\nirregularity features have been drawn. Theory and details of experiments have\nbeen stated earlier. This paper reports results of two experimental campaigns\ncarried out in August 2000 and June 2001 under support of Russian Foundation\nfor Basic Research (grants No. 99-02-17525 and No. 01-02-31008). Particularity\nof these experiments consisted in using of lower heating power (20-80 MW ERP).\nRegular character of the multiple scattering effects has been confirmed.",
"arxiv_id": "physics/0112092",
"authors": [
"N. A. Zabotin",
"G. A. Zhbankov",
"E. S. Kovalenko",
"V. L. Frolov",
"G. P. Komrakov",
"N. A. Mityakov",
"E. N. Sergeev"
],
"categories": [
"physics.ao-ph",
"physics.geo-ph",
"physics.plasm-ph"
],
"title": "Anomalous attenuation of extraordinary waves in ionosphere heating experiments: experimental results of 2000-2001",
"url": "https://arxiv.org/abs/physics/0112092"
},
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