aperture of screen 中文意思是什麼
aperture of screen
解釋
節孔-
If the aperture is circular, a circular spot of light appears on the screen.
如果孔是圓形的，那麼在屏幕上出現一圓形光斑。 -
Now remove a small disk-shaped segment from the center of the screen so that light streams through the aperture.
現在從屏的中央挖掉一個圓盤形小塊，使光通過此孔射出。 -
Part 2 analyses beam landing shifts made by thermal deformations of a shadow mask and vibration of a new type of shadow mask - aperture grille. an automatic measurement system for cpt decolorization and a vibration measurement system for aperture grille are established. part 3 analyses the difference of perception and discrimination to color between the human eyes and ccd system, and develops a new method based on ccd technology to evaluate the screen white - balance
主要內容分為三部分： （ 1 ）分析著屏電子束分佈與電子槍、偏轉系統及蔭罩之間的關系，研製自動測試裝置，為設計和改進相關結構提供依據； （ 2 ）分析蔭罩熱變形和振動對顯示屏色純度影響，建立了色純漂移自動測試裝置和張緊式蔭罩振動測試系統； （ 3 ）分析了人眼與ccd對彩色刺激的不同響應，建立了基於ccd的顯示器全屏色純均勻性測試方法。
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