... 噪声敏感建筑物 noise-sensitive buildings 突发噪声 burst noise 5.4 各类声环境功能区夜间突发噪声，其最大声级超过环境噪声限值的幅度不得高于 15 dB（A）。 ...
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在地面数字电视系统中，广播信道存在着突发噪声干扰和随机噪声干扰，而且前者的危害甚于后者。
In digital terrestrial television system, there is much burst and random noise in the broadcasting channel, and burst noise is more harmfully than random noise.
你可以这样理解一下，信噪比宽容度意味着服务质量；他表示允许提供服务的同时突发噪声并可以容错的参考数值。
You can think of SNR margin as the measure of quality of the service; it defines the ability of the service to work error free during noise bursts.
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