Theory and Modeling of Discrete Auroral Radio Emissions
Theory and Modeling of Discrete Auroral Radio Emissions
批准号:
0638638
负责人:
Peter Yoon
金额:
$0.0万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2007
资助国家:
美国
项目状态:
已结题
起止时间:
2007-04-15 至 2009-03-31
中文摘要
对地球等离子体环境中无线电波的观测以离散而不是连续的频率模式为特征,描述了捕获在具有密度结构的等离子体中的理论离散本征模。该理论最初用于建模或极光无线电波(极光咆哮),这里将该理论扩展到描述极光千米辐射(AKR),其特征是精细的频率结构、千米连续辐射和在F区高度对离散无线电辐射的其他现场观测。这项研究强调对AKR精细结构的研究,AKR精细结构被描述为模式转换为电磁波的静电本征模,可以在距离震源较远的地方被检测到。
英文摘要
Observations of radio waves in the Earth's plasma environment, characterized by a discrete rather than continuous frequency pattern, are described with theoretical discrete eigenmodes trapped within a plasma with density structuring. Originally applied for modeling or auroral radio waves (auroral roar), the theory is here extended to describe auroral kilometric radiation (AKR), characterized by fine frequency structure, kilometric continuum radiation, and other in-situ observations of discrete radio emissions at F-region altitudes. This research stresses investigation of AKR fine-structure, described as electrostatic eigenmodes that mode-converted to electromagnetic waves, that can be detected at a distance from the source.
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SGER: Nonlinear Theory of Anomalous Resistivity
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Study of Solar Radio Emission Mechanisms
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批准号:0341084
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Theoretical Study of Ground-Based Auroral Radio Emissions
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批准号:0223764
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Wave-particle Interactions and Radio Emission Processes in Solar Terrestrial Environments
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批准号:9905508
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财政年份:1999
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Three-Dimensional Stability of Thin Current Sheet
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A Theoretical Study of the Source and Properties of Auroral Radio Emissions Observed on the Ground
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财政年份:1997
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Solar and Heliospheric Radio Emission Processes
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依托单位:
国内基金
海外基金
Galaxy Analytical Modeling
Evolution (GAME) and cosmological
hydrodynamic simulations.
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批准号:
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依托单位: