但是，他们却发现了射电噪声的一种背景杂音，这让人联想到彭齐亚斯博士和威尔逊博士当时注意到的嘶声。
What they found, however, was a background hiss of radio noise, reminiscent of the hiss noticed by Dr Penzias and Dr Wilson.
介绍了电磁干扰(emi)噪声分离网络在预估与抑制电力线通讯中系统辐射电磁干扰噪声方面的应用。
The electromagnetic interference (EMI) noise separating network is used to estimate and suppress the radiated electromagnetic interference noise in a power line communication system.
最后介绍了高频引弧辐射电磁噪声的测定及其抑制。
This thesis introduced the measure and restrain of radiation of the high frequency EMI.
本发明具有出射电子流稳定、噪声基线小等优点。
The invention has the advantages of high stability of the emergent electron current, small noise baseline and the like.
本发明具有出射电子流稳定、噪声基线小等优点。
The invention has the advantages of high stability of the emergent electron current, small noise baseline and the like.
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