| 利用气辉测量结果研究高频电波加热电离层实验中电子能量分布 |
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| 引用本文： | 郝书吉,马广林,杨巨涛,吕立斌,吴振森.利用气辉测量结果研究高频电波加热电离层实验中电子能量分布[J].地球物理学报,2017,60(3):879-886. |
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| 作者姓名： | 郝书吉 马广林 杨巨涛 吕立斌 吴振森 |
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| 作者单位： | 1. 电波环境特性及模化技术重点实验室, 青岛 266107;2. 西安交通大学电子信息学院, 西安 710049;3. 西安电子科技大学物理与光电学院, 西安 710071 |
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| 基金项目： | 电波环境特性及模化技术重点实验室专项资金项目（201600017）资助. |
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| 摘 要： | 研究了高频电波加热电离层实验期间电子能量分布函数,利用美国HAARP和欧洲EISCAT实验中630.0 nm、557.7 nm与844.6 nm等气辉辐射测量结果,给出了在红光与绿光强度比值小于10和比值大于等于10两种情况下电子能量分布函数表达式,在3~100 eV电子能量范围内,分段幂指数因子随电子能量的增加而下降,并利用获得电子能量分布函数对其他电离层加热期间气辉辐射进行计算,红光与绿光辐射强度之比与实验测量结果相符,从而验证了获得的电子能量分布函数.
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| 关 键 词： | 电离层加热 气辉辐射 电子能量分布函数 |
| 收稿时间： | 2016-08-04 |
Research on electron energy distribution with airglow measurements during ionospheric modification experiments |
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| HAO Shu-Ji,MA Guang-Lin,YANG Ju-Tao,L&#,Li-Bin,WU Zhen-Sen.Research on electron energy distribution with airglow measurements during ionospheric modification experiments[J].Chinese Journal of Geophysics,2017,60(3):879-886. |
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| Authors: | HAO Shu-Ji MA Guang-Lin YANG Ju-Tao L&# Li-Bin WU Zhen-Sen |
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| Institution: | 1. National Key Laboratory of Electromagnetic Enviornment, Qingdao 266107, China;2. School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, China;3. Department of Physics, Xidian University, Xi'an 710071, China |
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| Abstract: | The electron energy distribution function is investigated when the ionosphere is illuminated by powerful HF radio waves from the ground. With the measurement of airglow emission at 630.0 nm with red lines, 557.7 nm with green lines and 844.6 nm in ionospheric heating experiments conducted at HAARP and EISCAT, the electron energy distribution functions with piecewise expressions in the power law form are derived in two different cases, i.e., the ratio of the emission intensity of the red line to that of the green line less than and more than 10 respectively. The power index decreases with the enhancement of electron energy in the range of 3~100 eV. Computations with the expressions are performed to other airglow measurements obtained in different ionospheric heating experiments. The resultant electron energy distribution function is validated by comparing the consistency between the calculated and the measured ratios of red line to green line emission intensity. |
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| Keywords: | Ionospheric heating Airglow emission Electron energy distribution function |
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