4: 3 types EIAJ test chart A
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- 公司名稱 上海研鼎信息技術(shù)有限公司
- 品牌
- 型號 4: 3 types
- 產(chǎn)地
- 廠商性質(zhì) 經(jīng)銷商
- 更新時間 2018/5/2 1:37:27
- 訪問次數(shù) 712
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聯(lián)系我們時請說明是化工儀器網(wǎng)上看到的信息,謝謝!
實驗室測試儀器與設(shè)備,光學(xué)測試套裝,光學(xué)暗室,攝像頭測試設(shè)備,聲學(xué)實驗室設(shè)備,靜音室,消音室,射頻測試儀器,手機研發(fā)測試儀器。
詳細介紹:
1. This test chart has become identical standard with the resolution chart of ITE standard. 2. (1) resolution (2) streaking (3) linking (4) interlaced scanning (5) shading (6) linearity of scan (7) Aspect ratio of scan (8) the alignment (9) you can appraise gradation. 3. Transmissivity or reflectance ratio of the main part is shown below. (1) transmissivity of white inside great circle or reflectance ratio 60% or more (2) transmissivity or reflectance ratio 40 5% of background outside±great circle (3) referring to transmissivity or reflectance ratio of the grey scale the below-mentioned chart
功能描述:
Step number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Transmissivity or Reflectance ratio | 60% or more | 60.0% | 41.7% | 28.2% | 19.5% | 13.5% | 9.3% | 6.3% | 4.4% | 3.0% |