| 加速器高频D电路Q值的计算与测量 |
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| 引用本文： | 王贤武,郝晓弘,张维玲,苏学明,文良华.加速器高频D电路Q值的计算与测量[J].强激光与粒子束,2005,17(12):1883-1887. |
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| 作者姓名： | 王贤武 郝晓弘 张维玲 苏学明 文良华 |
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| 作者单位： | 1. 中国科学院 近代物理研究所, 甘肃 兰州 730000;2. 兰州理工大学 电信学院, 甘肃 兰州 730050 |
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| 基金项目： | 兰州重离子加速器国家实验室资助课题 |
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| 摘 要： | 介绍了回旋加速器高频单D型盒D电路Q值的计算与测量方法。重点对Q值的理论计算进行推导，并对计算原理进行说明。然后对计算结果和测量结果进行比较。得出的计算和测量结果基本吻合。误差产生的主要原因是计算过程中的近似和短路片接触电阻的取值，其中短路片接触电阻是一个重要因素，在设计腔体时应引起足够的重视。
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| 关 键 词： | D电路 Q值 短路片 传输线 |
| 文章编号： | 1001-4322(2005)12-1883-05 |
| 收稿时间： | 2005-03-01 |
| 修稿时间： | 2005-10-08 |
Calculation and measurement of Q factor for RF D-circuit of cyclotron |
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| WANG Xian-wu,HAO Xiao-hong,ZHANG Wei-ling,SU Xue-ming,WEN Liang-hua.Calculation and measurement of Q factor for RF D-circuit of cyclotron[J].High Power Laser and Particle Beams,2005,17(12):1883-1887. |
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| Authors: | WANG Xian-wu HAO Xiao-hong ZHANG Wei-ling SU Xue-ming WEN Liang-hua |
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| Institution: | 1. Institute of Modern Physics, Chinese Academy of Sciences, P.O.Box 31, Lanzhou 730000, China;2. College of Electrical and Information Engineering, Lanzhou University of Technology, Lanzhou 730050, China |
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| Abstract: | The paper introduces the calculation and measurement method of Q factor which describes the performance ofcyclotron's RF D circuit.It mainly introduces the formula and principle for calculating the Q factor.The calculation data are compared with the measurement data of the capacitor coupling method,which shows good accordance with small errors.Analysis suggests that errors are mainly caused by approximate computation and the value of contacted resistance adopted.As contacted resistance is an important factor,more attention should be paid on it in designing cavities. |
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| Keywords: | D circuit Q factor Short-circuit plate Transmission line |
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