MODULATION TRANSFER-FUNCTIONS OF TV CAMERA TUBES

被引：0
|
作者：
VANTONGEREN, H
机构：
来源：
SMPTE JOURNAL | 1981年 / 90卷 / 04期
关键词：
D O I：
10.5594/J00414
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A system is described for the measurement of the modulation transfer function (MTF) of TV camera tubes at video frequencies 0. 5 MHz less than equivalent to f greater than equivalent to 10 MHz. The MTF is found from a slit-shaped object imaged on the pickup tube. An appropriate TV line is selected, sampled, and stored by a transient recorder coupled to a small computer which is used for the calculations. Test measurements on a 1-inch Plumbicon camera tube showed that the system performs in a satisfactory manner.
引用
收藏
页码：268 / 270
页数：3
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