| 数字电视显示图像的同心度、重显率和过扫描 |
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| 引用本文： | 赵希,李秀敏,李桂苓.数字电视显示图像的同心度、重显率和过扫描[J].电视技术,2005(12):84-85,88. |
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| 作者姓名： | 赵希 李秀敏 李桂苓 |
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| 作者单位： | 天津大学,电子信息工程学院学院,天津,300072 |
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| 摘 要： | 讨论了数字电视显示图像的同心度、重显率和过扫描，描述了它们的测量方法，重点分析了它们之间的内在联系，以及用它们来衡量显示图像质量的优缺点。实测表明，正确调整和测定这些指标，对保证数字电视图像主观效果具有重要作用。
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| 关 键 词： | 数字电视 同心度 重显率 过扫描 |
| 文章编号： | 1002-8692（2005）12-0084-02 |
| 收稿时间： | 2005-10-26 |
| 修稿时间： | 2005-10-26 |
Concentricity, Reproduction Ratio and Overscanning of Digital TV Reproductive Pictures |
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| ZHAO Xi,LI Xiu-min,LI Gui-ling.Concentricity, Reproduction Ratio and Overscanning of Digital TV Reproductive Pictures[J].Tv Engineering,2005(12):84-85,88. |
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| Authors: | ZHAO Xi LI Xiu-min LI Gui-ling |
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| Affiliation: | School of Electronic Information Engineering, Tianjin University, Tianjin 300072, China |
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| Abstract: | In this paper, the concentricity, reproduction ratio and overscanning of reproduced digital TV pictures are discussed, and each measurement method is described. Their inherent relations are mainly analyzed, as well as their merits and defects when used to judge the quality of reproduced pictures. Practical test indicates that it is important to adjust and measure these parameters in the right way for ensuring the subjective effect of digital TV pictures. |
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| Keywords: | digital TV concentricity reproduction ratio overscanning |
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