RU2013157762A - METHOD FOR DETERMINING ELECTRONIC CONCENTRATION IN A SPECIFIED IONOSPHERE AREA AND DEVICE FOR ITS IMPLEMENTATION - Google Patents
METHOD FOR DETERMINING ELECTRONIC CONCENTRATION IN A SPECIFIED IONOSPHERE AREA AND DEVICE FOR ITS IMPLEMENTATION Download PDFInfo
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- RU2013157762A RU2013157762A RU2013157762/07A RU2013157762A RU2013157762A RU 2013157762 A RU2013157762 A RU 2013157762A RU 2013157762/07 A RU2013157762/07 A RU 2013157762/07A RU 2013157762 A RU2013157762 A RU 2013157762A RU 2013157762 A RU2013157762 A RU 2013157762A
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- frequency
- input
- output
- circular polarization
- phase
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Position Fixing By Use Of Radio Waves (AREA)
Abstract
1. Способ определения электронной концентрации в заданной области ионосферы, включающий направленное импульсное излучение плоскополяризованной электромагнитной волны с несущей частотой ƒ, прием компонент отраженного сигнала с правой и левой круговой поляризацией некогерентного рассеяния ионосферы, преобразование компоненты отраженного сигнала с левой круговой поляризацией по частоте, выделение напряжения промежуточной частоты ƒ, перемножение его с компонентой отраженного сигнала с правой круговой поляризацией, выделение гармонического напряжения на частоте гетеродина ƒг, ограничение его по амплитуде, измерение разности фазсоответственно между компонентами отраженного сигнала с правой и левой круговой поляризацией на стабильной частоте гетеродина ƒг, при этом низкочастотное напряжение, пропорциональное измеряемой разности фаз, сдвигают по фазе на 90, исходное и сдвинутое по фазе на 90низкочастотные напряжение последовательно дважды перемножают сами на себя, исходное и сдвинутое по фазе на 90низкочастотные напряжения второй степени перемножают между собой с использованием масштабирующего коэффициента Км=6, вычитают полученное напряжение из исходного низкочастотного напряжения четвертой степени, суммируют полученное напряжение со сдвинутым по фазе на 90низкочастотным напряжением четвертой степени, определяют разность фаз, вычисляют электронную концентрацию по формуле,где- известная составляющая геомагнитного поля Земли;- дальность до ионизированной зоны атмосферы;ƒ-несущая частота;с - скорость света;- моменты времени, соответствующие задержкам сигнала, отраженного от передней и дальней гра1. A method for determining the electron concentration in a given region of the ionosphere, including directional pulsed radiation of a plane-polarized electromagnetic wave with a carrier frequency ƒ, receiving the reflected signal components with right and left circular polarization of incoherent ionospheric scattering, converting the reflected signal component with left circular frequency polarization, voltage isolation intermediate frequency ƒ, its multiplication with the component of the reflected signal with right circular polarization, the allocation of harmony voltage at the local oscillator frequency ƒg, limiting it in amplitude, measuring the phase difference between the components of the reflected signal with the right and left circular polarization at a stable frequency of the local oscillator ƒg, while the low-frequency voltage proportional to the measured phase difference is shifted in phase by 90, the original and shifted in phase by 90 low-frequency voltages are double-sequentially multiplied twice by themselves, the original and phase-shifted by 90 low-frequency voltages of the second degree are multiplied with each other using Using the scaling factor Km = 6, the obtained voltage is subtracted from the initial low-frequency voltage of the fourth degree, the obtained voltage is summed up with the low-frequency voltage of the fourth degree shifted in phase by 90, the phase difference is determined, the electron concentration is calculated by the formula, where is the known component of the Earth's geomagnetic field; - range to the ionized zone of the atmosphere; ƒ-carrier frequency; s - speed of light; - time instants corresponding to delays of the signal reflected from the front and far
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RU2013157762/07A RU2013157762A (en) | 2013-12-25 | 2013-12-25 | METHOD FOR DETERMINING ELECTRONIC CONCENTRATION IN A SPECIFIED IONOSPHERE AREA AND DEVICE FOR ITS IMPLEMENTATION |
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RU2013157762/07A RU2013157762A (en) | 2013-12-25 | 2013-12-25 | METHOD FOR DETERMINING ELECTRONIC CONCENTRATION IN A SPECIFIED IONOSPHERE AREA AND DEVICE FOR ITS IMPLEMENTATION |
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RU2013157762A true RU2013157762A (en) | 2015-06-27 |
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RU2013157762/07A RU2013157762A (en) | 2013-12-25 | 2013-12-25 | METHOD FOR DETERMINING ELECTRONIC CONCENTRATION IN A SPECIFIED IONOSPHERE AREA AND DEVICE FOR ITS IMPLEMENTATION |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115656946A (en) * | 2022-12-12 | 2023-01-31 | 中国科学院地质与地球物理研究所 | Incoherent scattering radar multi-beam calibration method and system for plasma line measurement |
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2013
- 2013-12-25 RU RU2013157762/07A patent/RU2013157762A/en not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115656946A (en) * | 2022-12-12 | 2023-01-31 | 中国科学院地质与地球物理研究所 | Incoherent scattering radar multi-beam calibration method and system for plasma line measurement |
CN115656946B (en) * | 2022-12-12 | 2023-03-10 | 中国科学院地质与地球物理研究所 | Incoherent scattering radar multi-beam calibration method and system for plasma line measurement |
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Legal Events
Date | Code | Title | Description |
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FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20151116 |