Systems for the emission of digital terrestrial television services are being developed and the associated protection ratios are given in Recommendation ITU-R BT.1368.
ITU-R BT.655-7-2004由国际电信联盟 IX-ITU 发布于 2004-01-01。
ITU-R BT.655-7-2004 在中国标准分类中归属于: M61 广播、电视系统。
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