| 高功率微波大气传输电离过程的物理研究 |
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| 引用本文： | 陈雅深,董志伟,赵强,孙会芳. 高功率微波大气传输电离过程的物理研究[J]. 强激光与粒子束, 2006, 18(1): 119-123 |
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| 作者姓名： | 陈雅深 董志伟 赵强 孙会芳 |
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| 作者单位： | 北京应用物理与计算数学研究所,北京,100088;北京应用物理与计算数学研究所,北京,100088;北京应用物理与计算数学研究所,北京,100088;北京应用物理与计算数学研究所,北京,100088 |
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| 摘 要： | 指出平面1维近似不符合在远场处微波单位面积能流与传输距离平方成反比的规律。给出了束流1维近似下微波大气传输的基本方程组。详细研究了微波电离大气的特性和相似律。估计了平面1维近似下和束流1维近似下的尾蚀，指出当无量纲电离电子数不太小时，两者可能有很大差别。
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| 关 键 词： | 高功率微波 大气传输 电离 |
| 文章编号： | 1001-4322(2006)01-0119-05 |
| 收稿时间： | 2005-02-17 |
| 修稿时间： | 2005-11-11 |
Physical research on ionization of high power microwave propagating in atmosphere |
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| CHEN Ya-shen,DONG Zhi-wei,ZHAO Qiang,SUN Hui-fang. Physical research on ionization of high power microwave propagating in atmosphere[J]. High Power Laser and Particle Beams, 2006, 18(1): 119-123 |
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| Authors: | CHEN Ya-shen DONG Zhi-wei ZHAO Qiang SUN Hui-fang |
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| Affiliation: | Institue of Applied Physics and Computational Mathematics, P.O.Box 8009, Beijing 100088, China |
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| Abstract: | That the disconsistency between the plane one-dimension assumption and the law that the microwave energy flux per unit area is inversely proportional to the square of the propagation distance is pointed out.The fundamental equations of the HPM propagation in the atmosphere under the beam flux one-dimension assumption are given.The characteristics and scaling laws of the ionization atmosphere are studied in detail.When n/n_c is not too small,the great difference on the tail-erosion between the plane one-dimension and the beam one-dimension assumptions is presented. |
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| Keywords: | High power microwave ionization Propagation in the atmosphere Ionization |
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