| Numerical and experimental studies on the effectiveness of time-varying electromagnetic fields in reducing electron density |
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| 作者姓名： | 郭韶帅 谢楷 徐晗 付麦霞 牛营营 |
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| 作者单位： | 1. Key Laboratory of Grain Information Processing and Control (Henan University of Technology), Ministry of Education;2. College of Information Science and Engineering, Henan University of Technology;3. School of Aerospace Science and Technology, Xidian University |
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| 基金项目： | National Natural Science Foundation of China(No. 52107162)； |
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| 摘 要： | When an aircraft or a hypersonic vehicle re-enters the atmosphere, the plasma sheath generated can severely attenuate electromagnetic wave signals, causing the problem of communication blackout. A new method based on time-varying E × B fields is proposed to improve on the existing static E × B fields and mitigate the radio blackout problem. The use of the existing method is limited by the invalid electron density reduction resulting from current density j = 0 A m-2in plasma beyond the...
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