Определение источников помех от летательных аппаратов и оценка их влияния на результаты измерений параметров ионосферы методом некогерентного рассеяния
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НТУ "ХПИ"
Abstract
Проведен анализ помех, создаваемых отражениями от летательных аппаратов на расстоянии до 400 км и принимаемых боковыми
лепестками диаграммы направленности антенны радара некогерентного рассеяния. Определены условия, при которых могут возникать помехи от летательных аппаратов, находящихся на высоте около 10 км над поверхностью земли. Приведены экспериментальные данные,
иллюстрирующие влияние указанных помех на результаты ионосферных измерений.
We have analyzed the radio interference caused by reflections from aircrafts being at a distance of 100–400 km from incoherent scatter (IS) radar. The interference signals are received by side lobes of IS radar antenna pattern. Its duration is up to several minutes. The conditions for interference from aircrafts being at altitude of about 10 km were defined. We showed that interference are mainly received by IS radar of Institute of Ionosphere (Kharkiv) from the east and north-east directions. The experimental data illustrating the impact of interference from aircrafts on the results of ionosphere parameters measurement are presented.
We have analyzed the radio interference caused by reflections from aircrafts being at a distance of 100–400 km from incoherent scatter (IS) radar. The interference signals are received by side lobes of IS radar antenna pattern. Its duration is up to several minutes. The conditions for interference from aircrafts being at altitude of about 10 km were defined. We showed that interference are mainly received by IS radar of Institute of Ionosphere (Kharkiv) from the east and north-east directions. The experimental data illustrating the impact of interference from aircrafts on the results of ionosphere parameters measurement are presented.
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Чепурный Я.Н. Определение источников помех от летательных аппаратов и оценка их влияния на результаты измерений параметров ионосферы методом некогерентного рассеяния / Я. Н. Чепурный, Л. Я. Емельянов, Д. А. Искра // Вестник Нац. техн. ун-та "ХПИ" : сб. науч. тр. Темат. вып. : Радиофизика и ионосфера. – Харьков : НТУ "ХПИ". – 2015. – № 37 (1146). – С. 7-12.
