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- 详情
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- 爱莎品牌
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测试卡展示
测试卡说明
测试图设计用于急性分辨率测量。
该测试图卡由6行每行10个矩阵脉冲串组成。这些模块以0.1MHz的步长分级，并且以这种方式排列，具有高分辨率的行位于图卡中间。在***和***行之间放置0.1和0.2MHz的低频脉冲串。在第3和第4行之间有0.7,0.8,0.9,1.0MHz的低频脉冲串以及在第5和第6行之间有0.3,0.4,0.5和0.6MHz的脉冲串。
低频模块的排列如下：
1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.9 | 2.0 |
|
| 0.1 |
|
|
|
| 0.2 |
|
|
3.1 | 3.2 | 3.3 | 3.4 | 3.5 | 3.6 | 3.7 | 3.8 | 3.9 | 4.0 |
5.1 | 5.2 | 5.3 | 5.4 | 5.5 | 5.6 | 5.7 | 5.8 | 5.9 | 6.0 |
| 0.7 |
| 0.8 |
|
| 0.9 |
| 1.0 |
|
6.1 | 6.2 | 6.3 | 6.4 | 6.5 | 6.6 | 6.7 | 6.8 | 6.9 | 7.0 |
4.1 | 4.2 | 4.3 | 4.4 | 4.5 | 4.6 | 4.7 | 4.8 | 4.9 | 5.0 |
| 0.3 |
| 0.4 |
|
| 0.5 |
| 0.6 |
|
2.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 | 2.9 | 3.0 |
The test chart is designed for acute resolution measurement.
The chart consists of 6 rows with each 10 fields of rectangular bursts. The fields are graduated in steps of 0.1MHz and are arranged in that way, that the rows with the highest resolutions are positioned in the middle of the chart. Between the first and second row low frequency bursts of 0.1 and 0.2MHz are positioned. Between 3rd and 4th row there are low frequency burst of 0.7, 0.8, 0.9, 1.0MHz and between the 5th and 6th row bursts of 0.3, 0.4, 0.5 and 0.6MHz.
The low frequency fields are arranged as follows:
1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.9 | 2.0 |
|
| 0.1 |
|
|
|
| 0.2 |
|
|
3.1 | 3.2 | 3.3 | 3.4 | 3.5 | 3.6 | 3.7 | 3.8 | 3.9 | 4.0 |
5.1 | 5.2 | 5.3 | 5.4 | 5.5 | 5.6 | 5.7 | 5.8 | 5.9 | 6.0 |
| 0.7 |
| 0.8 |
|
| 0.9 |
| 1.0 |
|
6.1 | 6.2 | 6.3 | 6.4 | 6.5 | 6.6 | 6.7 | 6.8 | 6.9 | 7.0 |
4.1 | 4.2 | 4.3 | 4.4 | 4.5 | 4.6 | 4.7 | 4.8 | 4.9 | 5.0 |
| 0.3 |
| 0.4 |
|
| 0.5 |
| 0.6 |
|
2.1 | 2.2 | 2.3 | 2.4 | 2.5 | 2.6 | 2.7 | 2.8 | 2.9 | 3.0 |
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