高清晰度电视系统用于电视系统需要的高精度定位测试以及贬顿罢痴需要的高分辨率测量。
测试卡由水平和垂直间距为h/45的直线和直径为√2h, h, 5h/12, 以及 h/4的圆组成包含400TV到1600TV的条纹。
? | 有效面积 | 外形尺寸 |
透射式 | 272×153 | 310×200 |
反射式 | 512×288 | 570×350 |
This Test Chart is used for registration of TV systems which needs high-accuracy registration and high resolution needed by HDTV.
Horizontal and vertical spacing in line is h/45 and the diameters of the circles are √2h, h, 5h/12, and h/4 in the chart which consists of 400TV to 1600TV of fringes.
Sizes of effective area and outer shape of refection test chart are indicated in below table.
? | Effective Area | Outer Size |
Transparent Type | 272×153 | 310×200 |
Opaque Type | 512×288 | 570×350 |
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