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Определение параметров кв радиолинии по результатам возвратно-наклонного зондирования ионосферы

Определение параметров кв радиолинии по результатам возвратно-наклонного зондирования ионосферы

Abstract

The problem of construction of the distance-frequency characteristic according to backscatter ionospheric sounding of the HF-line is considered. The comparative analysis of model of the flat Earth and ionosphere with parabolic electron distribution and model of the spherical Earth and ionosphere is carried out. Results of theoretical calculations are compared to empirical data. Approximation of array values of the reflected signals group path by a straight line is carried out and extrapolation of this line to 2000 km with an error of definition of range by the ground concerning calculated no more than 15 % is offered.

Рассматривается проблема построения дистанционно-частотной характеристики по данным возвратно-наклонного зондирования КВ-трассы. Проводится сравнительный анализ модели плоской Земли и ионосферы с параболическим распределением электронов с моделью сферических Земли и ионосферы. Результаты теоретических расчетов сравниваются с эмпирическими данными. Проводится аппроксимация массива значений группового пути отраженных сигналов прямой линией, и предлагается экстраполяция этой линии до 2000 км с ошибкой определения дальности по Земле относительно расчетной не более 15 %.

Keywords

ИОНОГРАММА, ВОЗВРАТНО-НАКЛОННОЕ ЗОНДИРОВАНИЕ ИОНОСФЕРЫ, ДИСТАНЦИОННО-ЧАСТОТНАЯ ХАРАКТЕРИСТИКА, СФЕРИЧЕСКАЯ МОДЕЛЬ ЗЕМЛИ И ИОНОСФЕРЫ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze