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technology
:
metallurgy
>
focus ability
Contents
·
No. 1
·
Containing Phrases
·
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No. 1
我们知道图形的最小单元是像素。像素越小图形分辨率越高。在crt管中最小像素是由
聚焦性能
决定的。所谓可寻址分辨率,即是指最小像素的数目。 crt管的聚焦机制有静电聚焦、磁聚焦和电磁复合聚焦三种。其中以电磁复合聚焦较为先进。其优点是
聚焦性能
好,尤其是高亮度条件下会散焦,且聚焦精度高,可以进行分区域聚焦、边缘聚焦、四角聚焦,从而可以做到画面上每一点都很清晰。
Containing Phrases
tube focus ability