| 大面积等离子体片微波反射特性研究 |
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| 引用本文： | 程芝峰,徐跃民,梁超,丁亮,鉴福升,朱翔.大面积等离子体片微波反射特性研究[J].电波科学学报,2010,25(2). |
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| 作者姓名： | 程芝峰 徐跃民 梁超 丁亮 鉴福升 朱翔 |
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| 作者单位： | 中国科学院空间科学与应用研究中心,北京,100190;中国科学院研究生院,北京,100049;中国科学院空间科学与应用研究中心,北京,100190 |
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| 摘 要： | 分别通过实验测试与FDTD仿真得到了5.8 GHz标准抛物面天线发射出的微波经大面积等离子体片反射后的方向图;利用FDTD方法对不同入射角度的等离子体片反射特性进行了分析。研究表明:FDTD方法可以准确描述等离子体片的反射性能;等离子体的密度足够高时,它的反射性能与金属相似;微波入射角越大则对等离子体的密度要求越低。
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| 关 键 词： | 等离子体片 反射面 方向图 微波 |
Microwave reflection characteristics of large area plasma sheet |
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| CHENG Zhi-feng, XU Yue-min LIANG Chao,DING Liang, JIAN Fu-sheng ZHU Xiang.Microwave reflection characteristics of large area plasma sheet[J].Chinese Journal of Radio Science,2010,25(2). |
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| Authors: | CHENG Zhi-feng XU Yue-min LIANG Chao DING Liang JIAN Fu-sheng ZHU Xiang |
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| Affiliation: | CHENG Zhi-feng1,2 XU Yue-min1 LIANG Chao1,2DING Liang1,2 JIAN Fu-sheng1 ZHU Xiang1(1.Center for Space Science , Applied Research,Chinese Academy of Sciences,Beijing 100190,China,2.Graduate School of the Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | The far field radiation patterns of the microwave reflected by the large area plasma sheet from a 5.8 GHz paraboloid antenna were obtained by experiment and FDTD simulation;and the reflection properties of plasma sheet with different angles were studied by FDTD simulation.The results show that FDTD method can accurately describe the reflection properties of the plasma sheet;if the plasma density is high enough,the reflection properties of plasma sheet are similar with metal;and the plasma sheet can get a sa... |
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| Keywords: | plasma sheet reflector radiation pattern microwave |
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