| 行波管中周期永磁聚焦系统的研究 |
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| 引用本文： | 鲍际秀. 行波管中周期永磁聚焦系统的研究[J]. 真空电子技术, 2005, 0(2): 20-23 |
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| 作者姓名： | 鲍际秀 |
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| 作者单位： | 上海交通大学,电子束及真空技术研究所,上海,200030 |
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| 摘 要： | 主要讲述了电子注在周期永磁聚焦系统中的运动和磁场选择不当时电子注的脉动情况以及电子注流通率与磁场强度的关系.实验发现,磁场强度并不是越大越好,磁场只在一定范围内才能实现电子注的聚束,电子注流通率与磁场强度成抛物线关系,磁场范围的选取应根据实际情况选择合适的范围.
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| 关 键 词： | 行波管 聚焦系统 磁场 |
| 文章编号： | 1002-8935(2005)02-0020-04 |
| 修稿时间： | 2004-09-29 |
Study of the Periodic Focusing System Using Permanent Magnet in Traveling Wave Tubes |
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| BAO Ji-xiu. Study of the Periodic Focusing System Using Permanent Magnet in Traveling Wave Tubes[J]. Vacuum Electronics, 2005, 0(2): 20-23 |
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| Authors: | BAO Ji-xiu |
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| Abstract: | The movement of electron injection in the periodic focusing system using permanent magnet and the pulsation of electron injection when the magnetic intensity was unfit, and the relationship between the transmittance of electron beam and the magnet intensity were studied. It was found that the convergent beams were obtained under the limited magnetic intensity, and it has parabolic curve relationship between the transmittance of electron beam and magnetic intensity. The magnetic intensity was selected according to the actual situation. |
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| Keywords: | Traveling wave tube Focusing system Magnetic intensity |
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