| 七级偏转象差中的Trilemma效应 |
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| 引用本文： | 张晓兵,赵琴,尹涵春,童林夙.七级偏转象差中的Trilemma效应[J].电子与信息学报,1997,19(5):682-687. |
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| 作者姓名： | 张晓兵 赵琴 尹涵春 童林夙 |
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| 作者单位： | 东南大学电子所，东南大学电子所，东南大学电子所，东南大学电子所 南京 210096，南京 210096，南京 210096，南京 210096 |
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| 摘 要： | Trilemma效应是偏转系统实现自会聚的一个重要判据,对高级偏转象差的校正,需要考虑高阶Trilemma效应的影响,本文从多极场偏转象差校正理论出发,应用区域分割的方法,对直至七阶的Trilemma效应进行了分析,给出了各阶Trilemma常数的表达式,其中七阶Trilemma常数可以作为大偏转角偏转象差校正的判据。
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| 关 键 词： | 显象管 Trilemma效应 七级偏转象差 |
| 收稿时间： | 1996-5-6 |
| 修稿时间： | 1996-12-30 |
THE TRILEMMA EFFECT IN SEVENTH-ORDER DEFLECTION ABERRATION |
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| Zhang Xiaobing,Zhao Qin,Yin Hanchun,Tong Linsu.THE TRILEMMA EFFECT IN SEVENTH-ORDER DEFLECTION ABERRATION[J].Journal of Electronics & Information Technology,1997,19(5):682-687. |
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| Authors: | Zhang Xiaobing Zhao Qin Yin Hanchun Tong Linsu |
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| Institution: | Institute of Electronics Southeast University Nanjing 210096 |
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| Abstract: | Trilemma effect is an important criterion for the self-convergence deflection system. The influence of the higher order Trilemma effects should be taken into account for the correction of the higher-order deflection aberrations. In this paper, up to the seventh-order Trilemma effects are analyzed with region-cutting by means of the correction theory of the multipole field deflection aberration. The expressions of various orders of Trilemma constant are given, in which the seventh-order Trilemma constant can be used as a criterion of the deflection aberration correction at large deflection angle. |
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| Keywords: | Picture tube Trilemma effect Seventh-order deflection aberration |
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