The SETI institute, which searches for extra terrestrial life, has compared picking up a signal’s modulation to picking up the sound of a flute when it’s masked by the noise of a waterfall.
对外星智能的探索研究院，专门寻找外星生物。 它他们对接受到信号的变调和被瀑布声掩盖的笛声做了比较。
2
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.
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。
3
The SETI institute, which searches for extra terrestrial life, has compared picking up a signal's modulation to picking up the sound of a flute when it's masked by the noise of a waterfall.