Objective assessment and measurement methods for coverage of digital terrestrial television broadcasting signals—Part 1:Outdoor fixed reception
全国广播电影电视标准化技术委员会(SAC/TC 239)
GB/T 28438的本部分规定了符合GB 20600—2006的地面数字电视广播系统室外固定接收信号覆盖质量的客观评估和测量方法。对于能够确保同样测量不确定度的任何等效测量方法也可以采用。有争议时，应以本部分为准。
本部分适用于地面数字电视广播室外固定接收。
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