| Dilemma效应与Trilemma效应 |
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| 引用本文： | 张晓兵. Dilemma效应与Trilemma效应[J]. 电子器件, 1998, 21(4): 219-222 |
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| 作者姓名： | 张晓兵 |
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| 作者单位： | 东南大学电子学研究所 |
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| 摘 要： | 在大偏转角自会聚彩色显像管的五级偏转像差中存在彗差校正的Ｄｉｌｅｍｍａ效应和像散校正的Ｔｒｉｌｅｍｍａ效应，即五级彗差的某种线性组合过及五级像散的某种线性组合均是常数，它们不受１０极场的影响。对于大偏转角五级彗差和像散的校正，应在Ｄｉｌｅｍｍａｔ Ｔｒｉｌｅｍｍａ常数均为０或较小值时，通过调整１０极场分布进行校正。
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| 关 键 词： | Dilemma效应 Trilemma效应 显像管 大偏转角 |
Dilemma Effect and Trilemma Effect |
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| Xiaobing Zhang. Dilemma Effect and Trilemma Effect[J]. Journal of Electron Devices, 1998, 21(4): 219-222 |
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| Authors: | Xiaobing Zhang |
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| Abstract: | The Dilemma effect for coma correction and Trilemma effect for astigmatism correction exist in fifth order aberration of self convergence colour picture tube at large deflection angle. This means the linear combinations of fifth ordr coma and fifth order astigmatism are constant and will not be affected by 10 pole field. When the Dilemma and Trilemma constants are all small value, the fifth order coma and astigmatism can be corrected by adjusting the distribution of 10 pole field. |
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| Keywords: | Dilemma effect Trilemma effect picture tube large deflection angle |
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