单词：electrical signal to noise ratio
单词：electrical signal to noise ratio 相关文章
(woman) This room is devoted to electric fish. The eel in the tank behind me can produce a strong jolt of electricity to stun its prey, but most of the fish in here produce only weak electrical impulses that are useful for navigating, locating food,
托福听力短文
City Code - Some foreign countries require you to dial a city code before the phone number you are trying to reach. Clamp - A circuit that removes the energy dispersal signal component from the video
电信英语
Ground - Connecting the Earth to electrical equipment with a conductor. This is done so current overloads (perhaps due to a lightning strike) can be safely diverted to the Earth. Ground Fault Circuit
电信英语
And clearly, we are trying to find evidence of ET, and we are trying to do that by looking for a signal, in whats called the electromagnetic spectrum, which is a fancy way of saying the radio dial, at least for us. Let me turn on my radio here, okay,
自然百科2008年
the previous show Don and Yael discussed communication from other worlds. Well, as it turns out if E.T. does try to phone it will be much more complicated than can you hear me now? D: Okay, Yael, so suppose one day scientists pick up a transmission t
英语时差8，16