signals background

signals

/ˈsɪɡnəlz/

Illustration signals - Image 1

Illustration signals - Image 2

noun

信号，讯号

A sequence of states representing an encoded message in a communication channel.

Examples :

"The blinking lights on the modem sent signals indicating that the internet connection was working. "

调制解调器上闪烁的灯光发出了信号，表明互联网连接正常。

communication signal electronics technology

Illustration signals - Image 1

Illustration signals - Image 2

noun

信号，讯号

Any variation of a quantity or change in an entity over time that conveys information upon detection.

Examples :

"The flashing red lights on the school bus are signals that it's time to get on. "

校车上闪烁的红灯是提示孩子们该上车的信号。

communication electronics signal technology physics science info

Illustration signals - Image 1

Illustration signals - Image 2

noun

信号，讯号。

A sign made to give notice of some occurrence, command, or danger, or to indicate the start of a concerted action.

Examples :

"The crossing guard uses hand signals to stop traffic so children can safely walk to school. "

交通管理员用手势信号示意车辆停下，这样孩子们就可以安全地走到学校。

communication signal sign action

Illustration signals - Image 1

Illustration signals - Image 2

noun

信号，讯号

An on-off light, semaphore, or other device used to give an indication to another person.

Examples :

"The train conductor checked the signals before starting the train. "

火车司机在启动火车前检查了信号灯。

signal device communication electronics technology machine electric

Illustration signals - Image 1

Illustration signals - Image 2

noun

信号，讯号

(of a radio, TV, telephone, internet, etc.) An electromagnetic action, normally a voltage that is a function of time, that conveys the information of the radio or TV program or of communication with another party.

Examples :

"The radio signals were weak, so we couldn't hear the music clearly. "

收音机的信号很弱，所以我们听不清楚音乐。

signal technology electronics communication internet media technical frequency

Illustration signals - Image 1

Illustration signals - Image 2

noun

信号，讯号

An action, change or process done to convey information and thus reduce uncertainty.

Examples :

"The flashing red light signals the end of the school day. "

闪烁的红灯发出信号，表示放学时间到了。

communication technology signal electronics

Illustration signals - Image 1

noun

信号，迹象，预兆。

A token; an indication; a foreshadowing; a sign.

Examples :

"The dark clouds were signals of an approaching storm. "

乌云密布是暴风雨即将来临的预兆。

sign communication signal

Illustration signals - Image 1

Illustration signals - Image 2

noun

信号，信息。

Useful information, as opposed to noise.

Examples :

"Despite the static, the radio still picked up clear signals from the weather station, helping us prepare for the storm. "

尽管有噪音干扰，收音机仍然接收到了来自气象站的清晰信号，这些有用信息帮助我们做好了应对暴风雨的准备。

communication signal technology electronics info

Illustration signals - Image 1

noun

信号，讯号。

A simple interprocess communication used to notify a process or thread of an occurrence.

Examples :

"The computer program uses signals to let the user know when it finishes loading a file. "

这个电脑程序使用信号来告知用户文件何时加载完成。

computing technology communication signal process system

Illustration signals - Image 1

noun

信号, 细胞信号。

A signalling interaction between cells

Examples :

"The signals between the nerve cells allowed Maria to quickly pull her hand away from the hot stove. "

神经细胞之间的信号使玛丽亚能够迅速地把手从热炉子上移开。

biology biochemistry physiology signal medicine

Illustration signals - Image 1

Illustration signals - Image 2

verb

发信号，示意.

To indicate; to convey or communicate by a signal.

Examples :

"The teacher signals the start of the test by raising her hand. "

老师举起手，示意考试开始。

communication signal technology

Illustration signals - Image 1

Illustration signals - Image 2

verb

发出信号，示意.

To communicate with (a person or system) by a signal.

Examples :

"Seeing the flames, he ran to the control room and signalled headquarters."

看到火焰后，他跑到控制室，向总部发出了信号。

communication signal technology