IRE unit

名词 n.

英文释义

名词 n.
  1. A unit used in the measurement of composite video signals. A value of 100 IRE is defined to be +714 mV in an analog NTSC video signal.
    — At the same time the picture blacks may be reproduced at levels as high as 20 or 30 IRE units.

词形变化

IRE units plural

词源

Named after the Institute of Radio Engineers.
0 次浏览 数据来源: Wiktionary