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本文围绕彩色显像管白场不均匀性问题，对偏转线圈上所采用的八极磁场及六极磁场彗差校正系统对白场均匀性的影响进行了对比分析与讨论，结果表明偏转线圈上所加八极磁场组件对光栅白场均匀性有较大的影响，其取舍是导致白场不均匀性的直接原因，在此基础上，给出了相应的解决办法。
This paper focuses on the color CRT unevenness of the white field, the deflection coil on the octupole magnetic field and the hexapole magnetic coma correction system on the uniformity of the whitefield comparative analysis and discussion results show that the deflection coil plus eight The polar magnetic field component has a great influence on the uniformity of the grating white field. The trade-off is the direct cause of the white field heterogeneity. On this basis, the corresponding solutions are given.