signal什么意思 signal音标、翻译、用法
signal音标
英 [ˈsɪgnəl]
美 [ˈsɪɡnəl]
signal翻译
n.
信号，暗号；预兆，征象；动机；导火线
vt.
向…发信号；用动作（手势）示意；以信号告知；
vi.
发信号；
adj.
显著的，优越的；暗号的，作信号用的；
变形
复数：signals过去式：signalled过去分词：signalled现在分词：signalling第三人称单数：signals
双语释义
n.(名词)[C] 信号,暗号sth intended to warn command, or give a message, such as a special sound or action[C] (无线电或电视所传送的)讯号,信息,图像a sound, image, or message sent by waves, as in radio or televisionv.(动词)vt. & vi. 发信号,用信号传达,用信号通讯make a signal or signals; send or express (sth) in this way; communicate with (sb) in this way
英英释义
signal
n.any communication that encodes a message
"signals from the boat suddenly stopped"
同义词：signalingsign
any incitement to action
"he awaited the signal to start"; "the victory was a signal for wild celebration"
an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comesv.communicate silently and non-verbally by signals or signs
"The diner signaled the waiters to bring the menu"
同义词：signsignalizesignalise
be a signal for or a symptom of
"The economic indicators signal that the euro is undervalued"
同义词：bespeakbetokenindicatepoint
adj.notably out of the ordinary
"the year saw one signal triumph for the Labour party"
signal用法
词汇搭配
用作名词 (n.)动词+～catch the signal见到那信号give〔ignore〕 a signal给〔忽视〕信号produce signals产生信号put up〔send〕 a signal发信号receive signals接收信号repeat〔respond to〕 a signal重复〔回答〕信号show a signal显示信号形容词+～audible〔clear〕 signal听得见〔清楚〕的信号auditory〔calling, visual〕 signal声音〔呼叫,视觉〕信号unmistakable〔weak〕 signal明确无误〔微弱〕的信号名词+～alarm〔caution, danger〕 signal警报〔警戒,危险〕信号color light signals彩色灯信号fire〔fog, storm〕 signal火灾〔起雾,暴风雨〕信号home〔railroad〕 signal进站〔铁路〕信号input〔output〕 signals输入〔输出〕信号picture signals图像信号radar signal雷达脉冲traffic signal〈美〉交通信号～+名词signal generator〔lamp, pistol〕信号发生器〔灯,枪〕介词+～at a signal在信号发出时begin at a signal在信号发出时开始ask by signal用信号发问on a signal在信号发出时～+介词signal by sounding a bell以铃声为信号signal for a retreat撤退信号signal from发自…的信号signal in code编码信号signal of danger危险的信号signal to发往…的信号用作动词 (v.)～+名词signal position示意位置～+副词signal wildly乱发信号signal out a distress signal发出遇难信号～+介词signal for为(某事)而发信号signal for help发信号求救signal with flags用旗子当信号
词组短语
signal processing信号处理
digital signal数字信号
digital signal processing数字信号处理
signal processor n. 信号处理机；讯息处理者
signal transmission信号传输；信号发送
digital signal processor数位讯号处理器
output signal输出信号
input signal[电]输入信号
signal analysis信号分析
signal generator信号发生器；讯号产生机
signal detection信号检测
signal to noise ratio信噪比，信号噪声比
control signal控制信号；操纵信号
speech signal语言信号，语音信号
video signal视频信号
traffic signal交通信号；交通讯号，指挥灯
audio signal声频信号；可听声信号
signal source n. 信号源
analog signal[计]模拟信号
electric signal电讯号
更多收起词组短语
同近义词辨析
sign, emblem, symbol, token, attribute, mark, signal, badge
这组词都有“标志、象征、符号”的意思，其区别是：
sign普通用词，指人们公认事物的记号，也可指某种情况的征兆。
emblem指选定象征一个国家、民族或家庭等的图案或实物。
symbol指作象征或表达某种深邃意蕴的特殊事物。
token语气庄重，指礼品、纪念物等作为表示友谊、爱情等的象征或标志。
attribute指人或物及其地位、属性的象征。
mark普通用词，含义广泛。既可指方便于辨认而有意做的标记，又可指自然形成的标记或有别于他事物的特征。
signal指为某一目的而有意发出的信号。
badge一般指金属证章或写有姓名的带状标志物。
双语例句
用作名词(n.)A red lamp is often a danger signal.
红灯常常是危险的信号。I corrected my watch by the time signal.
我按报时信号校正我的表。I've called several times, but I keep getting a busy signal.
我打了好几次了,可是一直是忙音。We live too far from the city to get a strong television signal.
我们住的地方离城里太远, 不能收到清晰的电视图像。Her speech yesterday is a signal that her view has changed.
她昨天的讲话标志著她的观点已经转变。用作动词(v.)The police signalled the traffic to move forward slowly.
警察向来往车辆打信号，示意缓慢前行。The submarine signaled for help.
潜水艇发出求救的信号。用作形容词(adj.)People speak of Mark Twain as a signal humourous writer.
人们称马克·吐温为杰出的幽默作家。This is a signal success.
这是显著的成功。
权威例句
A Theory for Multiresolution Signal Decomposition:...
A Theory for Multiresolution Signal Decomposition: The Wavelet Representation
Discrete-time signal processing
Improved Prediction of Signal Peptides: SignalP 3.0
Multiple Emitter Location and Signal Parameter Estimation
Discrete-Time Signal Processing
Discrete-time signal processing (2nd ed.)
The role of protein kinase C in cell surface signal transduction and tumour promotion.
Wakin, M.B.: An introduction to compressive sampling. IEEE Signal Process. Mag. 25(2), 21-30
SignalP 4.0: discriminating signal peptides from transmembrane regions.