Optical and Radio Frequency Diagnostics of the Ionosphere over the Sura Facility: Review of Results
We give an overview of the design and results of the optical-backscatter-heating campaign which we conducted at the Sura facility near Nizhniy Novgorod, Russia on August 10-20, 2004. This campaign was the first to combine optical observations with simultaneous plasma diagnostics by the method of art...
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| Дата: | 2013 |
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| Автори: | , , , , , , , , , , , , , , , , , , , , , |
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| Мова: | Russian |
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Видавничий дім «Академперіодика»
2013
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| Онлайн доступ: | http://rpra-journal.org.ua/index.php/ra/article/view/641 |
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rpra-journalorgua-article-6412013-02-10T10:59:20Z Optical and Radio Frequency Diagnostics of the Ionosphere over the Sura Facility: Review of Results Оптическая и радиочастотная диагностика ионосферы над нагревным стендом Сура. Обзор результатов Kagan, L. M. Nicolls, M. J. Kelley, M. C. Frolov, V. L. Belikovich, V. V. Bakhmet’eva, N. V. Komrakov, G. P. Nedzvetski, D. I. Uryadov, V. P. Yampolski, Yu. M. Galushko, V. G. Koloskov, A. V. Zalizovski, A. V. Kascheev, S. B. Blagoveshenskaya, N. F. Kornienko, V. A. Borisova, T. D. Gurevich, A. V. Vertogradov, G. G. Vertogradov, V. G. Trondsen, T. S. Donovan, E. We give an overview of the design and results of the optical-backscatter-heating campaign which we conducted at the Sura facility near Nizhniy Novgorod, Russia on August 10-20, 2004. This campaign was the first to combine optical observations with simultaneous plasma diagnostics by the method of artificial periodic irregularities and with multi-position backscatter measurements and is an example of the clustering of instruments for the purpose of enhancing research results. Some of the results of the campaign have been published in a special issue of Radiophysics and Quantum Electronics and in Physical Review Letters and will only be summarized here. New results include offset of the optical emissions by 1-2° from magnetic zenith; broadening of the backscatter spectrum for heating at the fourth harmonic of the electron gyro frequency; observation of self-scattered signals at the second harmonic of the heater frequency; first observations of vector plasma drift/electric field measurements using field-aligned irregularities as tracers; verifying the refractive index mechanism for the Doppler shift of self-scattered signals and first observations of synchronized variations in self-scattered and backscattered signals. The electric field observations confirm that the ionosphere over a mid-latitude site such as SURA can be affected by high latitude processes. Рассматривается схема и результаты оптической и радиочастотной диагностики ионосферы методом обратного рассеяния во время нагревной кампании 10-20 августа, 2004 г. Нагрев осуществлялся при помощи стенда Сура, расположенного вблизи Нижнего Новгорода, Россия. В этой кампании оптические измерения впервые сопровождались диагностикой плазмы методом искусственных периодических неоднородностей, а также многопунктовыми измерениями обратнорассеянных сигналов, что является примером использования кластеризации инструментов для улучшения результатов исследований. Результаты, которые уже опубликованы в Radiophysics and Quantum Electronics и Physical Review Letters в данной работе только подытожены. Новые результаты включают в себя: смещение оптической эмиссии на 1-2° от магнитного зенита, уширение спектров обратнорассеянных сигналов при нагреве на частоте вблизи четвертой гармоники гирочастоты электронов, наблюдение саморассеянных сигналов на второй гармонике частоты нагрева, первые наблюдения вектора скорости дрейфа плазмы и электрического поля, при помощи вытянутых вдоль поля неоднородности, проверка возможности влияния рефракционного механизма на допплеровское смещения частоты саморассеянных сигналов и первые наблюдения синхронных вариаций саморассеянных и обратнорассеянных сигналов. Наблюдения электрического поля подтвердили предположение о том, что процессы в высоких широтах могут воздействовать на ионосферу в средних широтах над такими установками, как Сура. Видавничий дім «Академперіодика» 2013-02-08 Article Article application/pdf http://rpra-journal.org.ua/index.php/ra/article/view/641 РАДИОФИЗИКА И РАДИОАСТРОНОМИЯ; Vol 11, No 3 (2006); 221 RADIO PHYSICS AND RADIO ASTRONOMY; Vol 11, No 3 (2006); 221 РАДІОФІЗИКА І РАДІОАСТРОНОМІЯ; Vol 11, No 3 (2006); 221 2415-7007 1027-9636 ru http://rpra-journal.org.ua/index.php/ra/article/view/641/192 |
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Radio physics and radio astronomy |
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2013-02-10T10:59:20Z |
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| language |
Russian |
| format |
Article |
| author |
Kagan, L. M. Nicolls, M. J. Kelley, M. C. Frolov, V. L. Belikovich, V. V. Bakhmet’eva, N. V. Komrakov, G. P. Nedzvetski, D. I. Uryadov, V. P. Yampolski, Yu. M. Galushko, V. G. Koloskov, A. V. Zalizovski, A. V. Kascheev, S. B. Blagoveshenskaya, N. F. Kornienko, V. A. Borisova, T. D. Gurevich, A. V. Vertogradov, G. G. Vertogradov, V. G. Trondsen, T. S. Donovan, E. |
| spellingShingle |
Kagan, L. M. Nicolls, M. J. Kelley, M. C. Frolov, V. L. Belikovich, V. V. Bakhmet’eva, N. V. Komrakov, G. P. Nedzvetski, D. I. Uryadov, V. P. Yampolski, Yu. M. Galushko, V. G. Koloskov, A. V. Zalizovski, A. V. Kascheev, S. B. Blagoveshenskaya, N. F. Kornienko, V. A. Borisova, T. D. Gurevich, A. V. Vertogradov, G. G. Vertogradov, V. G. Trondsen, T. S. Donovan, E. Optical and Radio Frequency Diagnostics of the Ionosphere over the Sura Facility: Review of Results |
| author_facet |
Kagan, L. M. Nicolls, M. J. Kelley, M. C. Frolov, V. L. Belikovich, V. V. Bakhmet’eva, N. V. Komrakov, G. P. Nedzvetski, D. I. Uryadov, V. P. Yampolski, Yu. M. Galushko, V. G. Koloskov, A. V. Zalizovski, A. V. Kascheev, S. B. Blagoveshenskaya, N. F. Kornienko, V. A. Borisova, T. D. Gurevich, A. V. Vertogradov, G. G. Vertogradov, V. G. Trondsen, T. S. Donovan, E. |
| author_sort |
Kagan, L. M. |
| title |
Optical and Radio Frequency Diagnostics of the Ionosphere over the Sura Facility: Review of Results |
| title_short |
Optical and Radio Frequency Diagnostics of the Ionosphere over the Sura Facility: Review of Results |
| title_full |
Optical and Radio Frequency Diagnostics of the Ionosphere over the Sura Facility: Review of Results |
| title_fullStr |
Optical and Radio Frequency Diagnostics of the Ionosphere over the Sura Facility: Review of Results |
| title_full_unstemmed |
Optical and Radio Frequency Diagnostics of the Ionosphere over the Sura Facility: Review of Results |
| title_sort |
optical and radio frequency diagnostics of the ionosphere over the sura facility: review of results |
| title_alt |
Оптическая и радиочастотная диагностика ионосферы над нагревным стендом Сура. Обзор результатов |
| description |
We give an overview of the design and results of the optical-backscatter-heating campaign which we conducted at the Sura facility near Nizhniy Novgorod, Russia on August 10-20, 2004. This campaign was the first to combine optical observations with simultaneous plasma diagnostics by the method of artificial periodic irregularities and with multi-position backscatter measurements and is an example of the clustering of instruments for the purpose of enhancing research results. Some of the results of the campaign have been published in a special issue of Radiophysics and Quantum Electronics and in Physical Review Letters and will only be summarized here. New results include offset of the optical emissions by 1-2° from magnetic zenith; broadening of the backscatter spectrum for heating at the fourth harmonic of the electron gyro frequency; observation of self-scattered signals at the second harmonic of the heater frequency; first observations of vector plasma drift/electric field measurements using field-aligned irregularities as tracers; verifying the refractive index mechanism for the Doppler shift of self-scattered signals and first observations of synchronized variations in self-scattered and backscattered signals. The electric field observations confirm that the ionosphere over a mid-latitude site such as SURA can be affected by high latitude processes. |
| publisher |
Видавничий дім «Академперіодика» |
| publishDate |
2013 |
| url |
http://rpra-journal.org.ua/index.php/ra/article/view/641 |
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