signal
A red light is usually a signal of danger.
红灯通常是危险的信号。
I stood watching for the signal to change to green.
我站着等待交通信号转为绿灯。
Let's set the clock by the radio time signal.
咱们照着收音机的报时信号把钟对一对。
The signal was picked up by a downrange radar station.
该信号被试验飞行方向之内的雷达站收到了。
A red lamp is often a danger signal.
红灯常常是危险的信号。
A reflected signal on a communication channel.
一种在通信信道上反射回来的信号。
The rise in prices was a signal for rebellion.
物价上涨引起了叛乱。
A decrease in signal power as measured between two points.
信号能量在两点间测量出来的减小量。参阅signal。
The President's arrival was the signal for an outburst of cheering.
总统来到爆发一阵欢呼声。
A channel over which pilot signal is transmitted.
可在其上传输导频信号的一种信道。
The equipment picked up the signal from the satellite.
这设备收到了卫星发出的信号。
It is the simplest signal to make, in time of danger or disaster.
这是在遇到危险或灾难的时候能发出的最简单的信号。
Everyone uncovered when the signal sounded.
信号响时，人人脱帽致敬。
Send out a distress signal; the ship is sinking.
船正在下沉，发遇险信号吧。
I corrected my watch by the time signal.
我按报时信号校正我的表。
Her speech yesterday was a signal that her views have changed.
她昨天的讲话标志著她的观点已经转变。
Before the traffic signal turns to green light don't cross the street.
在交通信号轮换到绿灯以前不要穿过马路。
Is this announcement the signal of better times ahead?
宣布的这件事是否预示往後日子越过越好了？
I'll cue you in (ie give you a signal to start) by nodding my head.
我一点头，你就开始。
I'll say `One, two, three, go!' as a signal for you to start.
我喊｀一、 二、 三、 开始!＇你就开始。
A filter whose transfer function is matched with the frequency spectrum function of input signal.
其传递函数与输入信号的频谱函数相匹配的一种滤波器。
Conversion of an analog signal to a digital signal, with steps between specified levels.
利用规定量化间隔，把模拟信号转化成数字信号。参阅quantization。
A radio signal tells the pilot of an airplane when his plane is off the beam.
飞机脱离航道时，会有一个无线电信号告诉驾驶员。
The reduction in size of components and circuits for increasing package density and reducing power dissipation and signal propagation delays.
减少元件和电路的几何尺寸，以达到增加电路的封装密度、减少功耗和减小信号传播延迟的目的。
In data communications, a deterioration in the characteristics of a signal for whatever reason.
在数据通信中由于某种原因而造成的字符信号畸变现象。
An audible and/or visible signal used to signify the existence of some error or abnormal condition in the system.
由音响或显示设备发出的信号，用以表示系统出现了错误或异常情况。
In recording, pertaining to sound reproduction using a single output signal or made with a single channel audio tape recorder.
在录音技术中，用于修饰或说明单一输出信号复制声音或用单声道复制声音。
In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply.
在电子学领域，一种不希望发生的低频电流，它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
Pertaining to a signal or area which contains either encrypted classified or unclassified information.
用于修饰或说明包含加密的保密或不保密信息的信号或区域。
The status or condition of being ready to run. A program, task, or hardware device that is in a ready condition needs only a start signal in order to begin operation.
准备就绪即可运行的状态。一个程序、任务或硬件设备在处于就绪状态时，只需要一个起动信号就开始工作。
Curriculum included: Electric power systems,90; Signal processing,88; Systems and control,92; Electric energy systems,92; Solid-state electronics,88; Communications,94.
课程包括：电力系统，90分; 讯号处理，88分; 系统控制，92分; 电力能源系统，92分; 固体电子学，88分; 通讯，94分。
In telephony, a signal used by a telephone operator to gain the attention of another, or a signal sent by a subscriber held by an operator to gain the latter's attention.
在电话技术中，电话操作员使用的一种信号，用来获得另一次注意，或由操作员保持的用户发送的一种信号，用以获得随后的注意。
Signal which prevents accidental operation by spurious signals or avoids possible ambiguity.
防止假信号的意外作用或者避免二义性而设置的信号。
A signal or signals(possible sent as a sequence of messages) requesting specific information.
请求特定信息的一种信号或几种信号(可能以信息序列发送)。
There is no video signal.
没有视频信号。
A control signal.
一个控制信号。
The signal is at danger.
信号旗指在危险的位置上。
An electrical gate or mechanical device which implements the logical OR operator. An output signal occurs whenever there are one or more inputs on a multichannel input. An OR gate performs the function of the logical "inclusive OR operation".
一种实现逻辑“或”算法的门电路或机械器件。当在其多通道输入端有一个或多个输入时就产生一个输出信号。“或”门实现逻辑“或操作”的功能。同ORelement。
A signal by bugle or drum for troops to come together in formation.
集合号，集合鼓部队集结时以吹号或击鼓发出的信号
A sound or a signal, as from a horn or an electronic device.
嘟嘟声一种象从号角或电子装置发出的声音或信号
The peace treaty was the signal for mass celebrations.
和平协议的签署引发群众盛大的欢庆
A colored flare used as a warning signal for trucks and railroad trains.
信号火一种为卡车或火车作警告信号的有色火焰
An electronic device that converts one frequency of a radio signal to another.
变频器将无线电讯号从一种频率转换成另一种频率的电子装置
The sending of a signal, picture, or other information from a transmitter.
播送从一发射机发送信号、图像或其它信息
A disturbance, especially a random and persistent disturbance, that obscures or reduces the clarity of a signal.
干扰噪声一种干扰，尤指一处任意的和持续的干扰，使信号变模糊或减少
A type of transmission medium consisting of two insulated wire twisted together to improve its immunity to interference from other(stray) electrical signals that may otherwise corrupt the signal being transmitted.
由两根外皮绝缘的导线扭在一起组成的一种类型的传输媒体，扭在一起是为提高对可能破坏被传输信号的其它(杂散)电信号的抗扰度。
Pertaining to a connection by which one end can only send signal and the other can only receive signal.
用于修饰两点之间的连接，这种连接的一端只能发送信号，而另一端只能接收信号
Early next morning, she heard planes passing overhead and wondered how she could send a signal.
第二天清晨，她听到头上有飞机飞过，却不知道怎样才能发出信号，
A secret sign or signal to be given to a sentry in order to obtain passage; a password.
暗号为通过岗哨而必须给出的秘密记号或口令; 暗语
In digital signal technique, a signal that uses a positive(or negative) excursion and ground as the two binary signal states.
在数字信号技术中，用正(或负)向电压与地两个电平来表示二进制“1”和“0”的一种信号