本文讨论内屏式彩色投影管光学系统设计方法。
The purpose of this paper is to discuss the methods of optics system design of color Schmidt projection tube.
传统CRT投影管中荧光屏的制作，大都采用沉淀法在玻璃沉底上沉积一层荧光粉。
In the traditional CRT projection displays, the phosphor screen mostly is fabricated by depositing phosphor powder on the glass substrate.
从投影显示系统典型的动态聚焦方法与投影管特殊的荧光屏结构以及光学处理等方面对投影显示系统的动态聚焦电压误差进行研究。
Dynamic focus voltage error of projection display system was studied in this article. Parabola dynamic focus method, projection tube shape and optics processing were analyzed.
识别过程中，数码管二值化后的图像在水平轴上的投影，其上升沿或下降沿基本呈现直线的形状，尝试把最小二乘法应用于倾斜校正。
For recognition, the front or trailing edge of projection of binary image on horizontal axis basically shows linear shape, so least square theory is applied in tilt correction.
最近几年，薄膜晶体管液晶显示器(TFT - LCD)技术取得了快速而显著的进步，其性能超过了PD P、CRT以及投影显示。
In recent years, technologies for thin-film-transistor liquid crystal displays (TFT-LCD) have made fast and dramatic advancement with performance surpassing PDP, CRT, and projectors.
结果：在同一投影层面上，斜冠位T2WI显示左右肝管、肝总管及胆总管的显示率优于常规冠状位。
Results: In the same plane, the sensitivity of showing ductus hepaticus and ductus hepaticus communis, ductus choledochus with MR oblique-coronal T2WI was superior to conventional MR coronal T2WI.
结果：在同一投影层面上，斜冠位T2WI显示左右肝管、肝总管及胆总管的显示率优于常规冠状位。
Results: In the same plane, the sensitivity of showing ductus hepaticus and ductus hepaticus communis, ductus choledochus with MR oblique-coronal T2WI was superior to conventional MR coronal T2WI.
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