The radio signal can be amplified.

线电信号可以放大。

Hmm. This antenna business doesn't sound secure – an antenna is used for sending or receiving radio signals.

哼。这个线电伎俩听上去并不安全。天线被用于发送或接受信号。

It takes 10 and a half minutes for radio signals on earth to reach a rover on Mars and the landing process occurs over seven minutes.

地球上线电信号到达火星上探测器需要10分半钟，而着陆过程需要7分钟。

Time to turn up the radio to CNN 10 because scientists say they've detected some mysterious radio signals from outer space.

是时候将广播调到CNN 10频道了，因为科学家们说他们已经检测到了一些来自外太空神线电信号。

Voyager 1 sends a steady radio signal back to mission control.

“旅者 1 号”向任务控制中心发送了稳线电信号。

It offers an unusual environment that permits researchers to record sensitive radio signals.

月球远端提供了一个不同寻常环境，使得研究人员可以记录敏感线电信号。

But a civilization that is not actively transmitting radio signals into space might be as close as our nearest stellar neighbor, the Alpha Centauri system, and we would have no way of realizing they exist.

但是，一个不积极向太空发送线电信号文明，可能会和我们最近恒星系——半人马座阿尔法星系一样近，而我们也法得知它们存在。

Using satellite tracking and radio signals, we monitored their adaptation and integration after release.

通过卫星追踪和线电信号，我们监测它们在释放后适应和融合情况。

When someone sends you a text, their phone transmits radio signals, which convey the identity of both their phone and yours, along with the content of the message.

有人传简讯给你时，对方手机发送电波讯号，涵盖传送者、接收者手机资讯，与简讯内容。

We as a species have been sending out radio signals for about 100 years and we have followed that up with television signals.

人类作为一个物种发送线电信号已经有 100 年历史了，并且之后我们又发出了电视信号。

Once at the tower nearest you, it's converted back to a radio signal that can be picked up by the antenna in your phone. This all happens in SECONDS!

一旦你在基地台服务区内，讯号就会再转换成线电波让手机天线接收。这些事情在几秒内就可以完成！

It takes 11 minutes for radio signals to travel from Earth to Mars and the Perseverance rover landing process was set to happen over seven minutes.

线电信号从地球传到火星需要11分钟，而“毅力”号火星车着陆过程设在7分钟内完成。

Sensors in your car tuned to radio signals from orbiting satellites can locate your car precisely at any moment and warn of traffic jams.

你汽车上与绕轨道运卫星发出线电信号调谐传感器能随时精确地确你汽车方位，并告知交通阻塞情况。

As a result, it will learn what the different radio signal distributions mean and how they relate to human positions and poses.

结果，它能理解不同线电信号分布含义以及信号与人位置和姿势间关系。

Using the radio signals, scientists have also been able to detect lightning strikes on other planets.

利用这些线电信号，科学家们还能够探测到其他星上雷击。

So imagine that same alien civilization looking at the night sky but now there are no radio signals, no television signals, just 300 billion beautiful white lights, quietly shining away.

所以想象一下，同样外星文明仰望夜空，但现在没有线电信号，没有电视信号，只有 3000 亿个美丽白光，静静地闪耀着。

This is not much of a problem with color images, because we can clearly see everyone in an image, but the radio signals are more difficult to read when they reflect off of multiple bodies in the scene.

这对彩色图像来说不是什么大问题，因为我们可以看清每个人，但线信号经过多次反射之后更难分辨场景中人物。

Whenever someone sends you a text, their phone transmits radio signals, which convey the identity of both their phone and yours, along with the content of the message.

有人传简讯给你时，对方手机会发送电波讯号，涵盖传送者、接收者手机资讯，与简讯内容。

Once at the tower nearest you, it’s converted back to a radio signal that can be picked up by the antenna in your phone.

一旦你在基地台服务区，讯号就会再转换成线电波让手机天线接收。

This information is collected by devices that measure signals from a breathing sensor on the body or from radio signals in the room.

这些信息是通过测量身体上呼吸传感器或房间里线电信号设备收集。