Their instruments detected very faint radio waves at a frequency of 3 kilohertz.
他们的仪器探测到了频率为3千赫的非常微弱的无线电波。
Regular repeating actions such as sound waves, light waves, or radio waves have a certain frequency, or number of waves per second.
有规律的重复活动如声波、光波、无线电波都有一个特定的频率，或者说是每秒的波动次数。
We directed radio waves around the globe.
我们向全球发射无线电波。
We have turned the radio waves from space into light.
我们把来自太空的无线电波变成了光。
Our radio waves here on earth interfere with the waves from space?
我们地球上的无线电波会干扰来自太空的电波吗？
Many objects in the universe are invisible, but they send radio waves.
宇宙中的许多物体是看不见的，但它们发射无线电波。
If the radio waves are so good at getting through the universe, what's the problem?
如果无线电波真的能够穿透宇宙空间的话，它有什么问题呢？
They send out radio waves that reflect off raindrops, airplanes, bats, and so forth.
他们发射那些可以反射雨滴、飞机、蝙蝠以及其他东西的无线电波。
Radio telescopes create pictures of the sky, not in visible light, but in radio waves.
射电望远镜拍摄的天空图片不是可见光，而是无线电波。
My point here is not to say, oh, you idiot, Plato, why didn't you think of radio waves?
我这里不是想说，你真傻，柏拉图，你为什么没想到无线电波呢？
It is technically incorrect to talk about bat "radar", since they do not use radio waves.
蝙蝠“雷达”这个用语在技术上是错误的，因为它们不使用无线电波。
Marconi was the first to develop a practical method for wireless telegraphy using radio waves.
马可尼是第一个开发出利用无线电波进行无线电报传输的有效方法的人。
One problem is that radio waves from these far away objects, even though they can get through, are extremely faint.
一个问题是，来自这些遥远物体的无线电波，即使可以到达这里，也会非常微弱。
Radio wavelengths are much longer than those of visible light, and the radio waves from deep space are always weak.
无线电波的波长比可见光长得多，而且来自深空的无线电波总是很弱。
Nearly all astronomical objects in space emit radio waves, whether nearby stars, objects in far away galaxies, they all give off radio waves.
太空中几乎所有的天体都发射无线电波，无论是附近的恒星，还是遥远星系中的天体，它们都会发射无线电波。
For this, he and his wife received the Nobel Prize for physics in 1910, and did so again in 1912 for their work on very high-frequency radio waves.
为此，他和他的妻子在1910年获得了诺贝尔物理学奖，并在1912年再次获得诺贝尔奖，以表彰他们在高频无线电波方面的研究。
To avoid interferences, and keep the telescopes sensitive, radio telescopes are built in places where there are no human radio waves or electronic signals.
为了避免干扰，保持望远镜的灵敏度，无线电望远镜被建在没有人为的无线电波或电子信号的地方。
Unlike visible light waves, these radio waves can get through the various gases and dusts in space, and through our own earth's atmosphere comparatively easily.
与可见光波不同的是，这些无线电波可以较容易地穿过太空中的各种气体和灰尘，穿过我们地球的大气层。
Some very important discoveries have been made by this technology, especially you consider that some objects in space give off radio waves but don't emit any light.
运用这项技术后，已取得了一些非常重要的发现，尤其是考虑到太空中的一些物体会发出无线电波，但不会发出任何光。
A receiver and amplifier receive the radio waves from the sub reflector, and make these weak radio waves strong enough to be recorded and turned into electronic signals.
接收器和放大器接收来自副反射器的无线电波，并使这些微弱的无线电波强大到足以被记录下来并转化成电子信号。
Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.
大多数天线被制成碟形，用以收集和反射无线电波至亚反射器，就像曲面镜将可见光聚焦于一点一样。
The extension of astronomy from visible light to radio waves to x-rays and gamma rays never failed to lead to the discovery of unusual objects such as radio galaxies, quasars, and pulsars.
从可见光扩展到无线电波，再到X 射线和伽马射线，天文学总是会发现不寻常的物体，如射电星系、类星体和脉冲星。
无线电波可以检测的到。
无线电波的使用；
But radio waves? They are detectable.
但是无线电波呢？是可以检测的。
无线电波亦然。
The difference is that radar depends on radio waves.
区别在于雷达是基于无线电波。
And interestingly enough, you can't hear radio waves.
更有意思的是，你也听不见无线电波。
We can detect radio waves on the basis of their affects.
我们可以根据它的影响，觉察到无线电波。
OK. The suggestion was radio waves are a bit like the forms.
好，你是说无线电波,有点像形式。
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