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itu-r 656标准ITU-R Recommendation 656 - Standard Text-Available parts of this standard text
2008-07-18 11:00
itu-r bt.500-11Subjective assessment methods are used to establish the performance of television
2008-07-18 11:15
itu-r m.1225International Mobile Telecommunications-2000 (IMT-2000) are third generation mobile
2008-07-18 11:19
Rec. ITU-R BT.470-6 1RECOMMENDATION ITU-R BT.470-6*CONVENTIONAL TELEVISION SYSTEMS(Question ITU-R 1
2008-07-18 11:11
Rec. ITU-R BT.709-5 1RECOMMENDATION ITU-R BT.709-5Parameter values for the HDTV* standards
2008-07-18 11:11
The digital Video Standard according to ITU-R BT. 601/656 CCVS+COMPONENT GENERATOR SAF
2008-07-18 11:03
Methodology for the subjective assessment of the quality of television pictures (Question ITU-R 211/11) (1974-1978-1982-1986-1
2008-07-18 11:13
采用的接口协议和支撑互联网应用的网络结构变化多样。在某些情况下，高频为从有线互联网至固定或移动的远端用户提供了无线的最后一跳。在其它情况下，多节点高频网络作为有时
2011-03-23 14:04
This Recommendation describes the means of interconnecting digital televisionequipment operating on the 525-line or 625-line standards and complying with the4:2:2 encoding parameters as defined in Recommendation 601.Part I desc
2008-10-23 17:25
、地物的地理条件下，电波容易发生绕射现象。传统的电波传播预测模型ITU-R P.370以及ITU-R P.1546比较适用于开阔和低起伏的丘陵地区，而对于多山地区，其预测误差相对较大。为此，国际电联
2019-06-18 06:32
