| 偏转线圈彗差校正系统分析 |
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| 引用本文： | 吴胜利,封学民.偏转线圈彗差校正系统分析[J].真空电子技术,1996(3):1-4. |
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| 作者姓名： | 吴胜利 封学民 |
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| 作者单位： | 西安交通大学电子物理与器件研究所 |
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| 摘 要： | 本文对彩色显像管偏转线圈用两种六极场彗差校正系统进行了分析讨论，对垂直偏转场参量Ｖｏ，Ｖｚ的测量结果表明六极场校正系统的引入在偏转线圈颈部形成垂直枕形场有利于彗差的校正。同时，文中还对磁八极场对彗差的校正作用进行了分析。
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| 关 键 词： | 彩色显像管，偏转线圈，彗差 |
Analysis of Coma Correction Systems in Deflection Yokes |
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| Wu Shengli,Feng Xuemin, Luo Yilin.Analysis of Coma Correction Systems in Deflection Yokes[J].Vacuum Electronics,1996(3):1-4. |
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| Authors: | Wu Shengli Feng Xuemin Luo Yilin |
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| Abstract: | Two kinds of six-pole field coma correction systems used in DY of CPT have been analyzed and discussed.The measurement of field parameters Vo and Vz indicates that a regional pincushion field is formed in the neck part of DY due to the use of coma correction systems,and this pincushion field is beneficial to the correction of coma aberration.A brief analysis of the coma correction effect with eight--pole magnetic field is also presented in this paper. |
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| Keywords: | Color picture tube Deflection yoke Coma |
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