| 过模同轴-2路矩形波导功分器的设计与实验 |
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| 引用本文： | 张健穹,刘庆想,李相强,梁源,门满洲.过模同轴-2路矩形波导功分器的设计与实验[J].西南交通大学学报,2018,53(2):374-377. |
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| 作者姓名： | 张健穹 刘庆想 李相强 梁源 门满洲 |
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| 作者单位： | 西南交通大学物理科学与技术学院 |
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| 基金项目： | 中央高校基本科研业务费专项基金资助项目2682014CX089中央高校基本科研业务费专项基金资助项目2682014ZT20 |
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| 摘 要： | 为了在高功率微波系统中实现过模同轴波导到2路矩形波导的高效率模式转换，研究了一种过模同轴-2路矩形波导功分器.该功分器将径向线作为同轴波导到矩形波导的模式转换过渡结构，先将过模同轴波导TEM模分为4路矩形波导TE10模，再将4路矩形波导合成为2路，有效抑制了过模波导中高阶模式的产生，实现了较高功率容量和传输效率.设计和实验结果表明:该功分器在中心频率2.88 GHz下驻波系数为1.04，传输损耗为0.15 dB，输出不平衡度为0.15 dB，设计功率容量为4.52 GW，满足高功率应用需求.
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| 关 键 词： | 高功率 功分器 过模波导 同轴波导 矩形波导 |
| 收稿时间： | 2015-01-20 |
Development of Overmoded Coaxial to Two-Way Rectangular Waveguide Power Divider |
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| ZHANG Jianqiong,LIU Qingxiang,LI Xiangqiang,LIANG Yuan,MEN Manzhou.Development of Overmoded Coaxial to Two-Way Rectangular Waveguide Power Divider[J].Journal of Southwest Jiaotong University,2018,53(2):374-377. |
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| Authors: | ZHANG Jianqiong LIU Qingxiang LI Xiangqiang LIANG Yuan MEN Manzhou |
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| Abstract: | To achieve the high-efficiency mode conversion of an overmoded coaxial waveguide to a two-way rectangular waveguide in high power microwave systems, an overmoded coaxial waveguide for two-way rectangular waveguide power divider is researched. The divider uses the radial line as a mode transition structure from a coaxial waveguide to a rectangular waveguide. First, the coaxial waveguide TEM mode is divided into four rectangular waveguide TE10 modes; then the four rectangular waveguides are combined into two paths, which effectively inhibit the generation of high-order modes in the overmoded waveguide and achieve a high power-handling capacity and transmission efficiency. The design and experiment results show that at a central frequency of 2.88 GHz, the VSWR of the power divider is approximately 1.04, the corresponding transmission loss of the TEM mode to the TE10 mode is 0.15 dB, the output imbalance is approximately 0.15 dB, and the power capacity of the design is 4.52 GW, which can satisfy the needs of high-power applications. |
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