產品描述
This chart was designed by the FBI for gray level and resolution testing of the new Integrated Automated Fingerprint Identification System (IAFIS). The chart includes Ronchi areas with frequencies from 1 line pairs / mm to 19.6 line pairs / mm, and uniform gray areas having consistency better than ±0.02 O.D. Target size is 20 cm by 12.5 cm on photographic paper.
會員信息
彩易通資訊科技有限公司 |
國家/地區︰ | 臺灣 中國 |
經營性質︰ | 貿易商 |
聯繫電話︰ | 927329111 |
聯繫人︰ | 陳文龍 (銷售總監) |
最後上線︰ | 2024/08/02 |