signal

释义

n.

信号；信号灯；标志；预示

v.

标志；预示；示意；表示

adj.

重大的；显要的

网络

讯号；暗号；发信号

词形变化

复数：signals 现在分词：signalling 过去式：signalled

常用短语 20 组

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

在例句中理解 36 句

1. When added to the signal, it's easy to calculate the impact of this contact potential on the measurement accuracy.

   当被增加到信号上时，则很容易计算出该接触电势对测量准确度的影响。

2. But no one sticks his head into a microwave oven, and by the time a radar signal reaches a person its strength is very small.

   但是谁也不会把头伸进微波炉，而且当雷达信号传到某个人时，它的力量已非常小。

3. But a low PMI is often a false signal, as is the gap between new orders and inventories.

   但是，一个偏低的PMI往往是一个虚假信号，新订单与库存之间的差距也是如此。

4. To counteract radar signal interception system effectively and baffle the sort of radar signal, the key is collocation of EA emitters.

   为了阻碍雷达截获系统对雷达信号的有效分选，电子攻击信号源的布站是一个关键。

5. The connecting pad includes a pair of differential signal connecting pads disposed on the surface of the laminated layer.

   接垫包括一对差动信号接垫，且这对差动信号接垫配置于叠合层的表面上。

6. In electronics, the degree to which the amplitude of a signal is increased when it passes through an amplifier, repeater or antenna.

   在电子学中，表示信号通过放大器、增音器或天线后幅度增加的程度。

7. He decided that he would try to 30 a ride to the nearest gas station, so he began to signal to passing drivers.

   他决定要尝试搭便车去最近的一家加油站，所以他开始向过路的司机发出信号。

8. Experiment research testifies that this method is able to monitor the vibration signal and locate the intrusion zone in real-time.

   通过实验研究表明，该方法能对环境触发信号进行实时监控，并能确定信号所属区域。

9. It did not signal the arrival of a new world, but it has accelerated the end of the American Century.

   它并没有标志着一个新世界的到来，但它加快了“美国世纪”（AmericanCentury）的终结。

10. Further signal traps may be required that would be contained within the child scripts to do further cleaning up before exit.

    有时可能需要更多的信号捕捉，它们包含在子脚本中，用于在退出前执行清理工作。

11. Those Beings who work with us and for us, are waiting for a signal to carry out their assignment and are ready to spring into action.

    那些与我们工作并且为我们工作的存有们在等待着一个【信号】来履行他们的任务，并准备飞快的展开行动。

12. Traders said the narrowing of the spread was a signal that the physical oil market, particularly in the Middle East, was tightening fast.

    交易员表示，价差缩小是实体石油市场（尤其是中东）正迅速收紧的信号。

13. It varies with the total end-to-end length of the network connection, with all signal propagation being limited by the speed of light.

    它取决于网线的长度，并且所有信号的传输速度不能大于光速。

14. He thanked lawmakers from both parties for their support, and said the bill's passage sends a strong signal to markets around the world.

    他对两党议员的支持表示感谢。他说，议案的通过向全世界的金融市场发出了强有力的信息。

15. The pointer position of the rotary vane meter is equipped with a pulse switch used for transmitting a pulse signal to the control system.

    在所述的叶轮式水表的指针部位设一将脉冲信号传递给控制系统的脉冲开关。

16. It would send a powerful signal to North Korea that we were prepared to allow them to participate in the banking community in a normal way.

    这将向朝鲜传递一个强有力的信号，即我们愿意允许他们以一种正常的方式，参与到国际银行体系中来。

17. Remember that the next time your little hut seems to be burning to the ground. It just may be a smoke signal that summons the Grace of God.

    记住，下一次当你的小屋看上去快烧为灰烬时，那可能只是一个召唤上帝恩典的烟雾求救信号。

18. With all the money he made, he improved the system, and in 1901, he was able to send a signal across the Atlantic Ocean.

    他将赚来的所有钱用来改进这个系统。1901年，他能够越过大西洋发送信号。

19. It was the vane on the roof turning round and this change in the wind was the signal for a disastrous rain.

    这是房顶上的风标在转动，风向的这种变化，就是一场特大暴雨的信号。

20. With her free hand, Ms. Li managed to fumble it out, but there was no signal.

    李女士用另一只空闲的手，几经周折终于取出了手机，然而没有信号。

21. That was a sharp signal for me that I'd better start improving my fitness immediately if my return to Formula One was not to end as a farce.

    这对于我来说是一个紧急信号。如果不想将自己的复出变成一场闹剧的话，我就必须立刻开始提高自己的身体素质。

22. Mr. Obama said the step was 'an important signal about Russia's seriousness about achieving membership in the World Trade Organization. '

    奥巴马说这是一个重要信号，表明俄罗斯对加入WTO持认真态度。

23. Instruments and instrument signal lines shall be installed and lined up to a common junction box on the edge of the base plate.

    仪表和仪表信号线的安装与底座边缘上的共用接线盒对齐。

24. A phase comparator compares the phase of the reference clock with that of the output clock and outputs a phase comparison signal.

    相位比较器比较基准时钟和输出时钟的相位，并输出相位比较信号。

25. This vibrational offering, sort of like a radio signal, is projecting from you at all times that you have conscious awareness.

    这种振动的发射，有点像无线电信号，在你醒着的时候，无时无刻不在发射。

26. Gartner analyst Carolina Milanesi said the fact that Nokia maintained its outlook is a positive signal for many market watchers.

    Gartner的分析师米拉尼斯（CarolinaMilanesi）说，诺基亚维持原有预期对很多市场观察人士来说是个积极信号。

27. He said the malfunctioning signal device was designed by a Beijing institute.

    他说这个发生故障的信号设备是由北京一家研究所设计的。

28. The signal handler is called with a value of 18 (SIGCHLD), the child's exit is acknowledged, and the parent goes back to its sleep(60).

    然后使用值18（SIGCHLD）来调用信号处理程序，确认子进程的退出，并且父进程返回到sleep（60）。

29. bear down on the way as long as the stars appear Cross, is often signal the end of a rebound.

    熊市下跌途中只要出现十字星，往往就是反弹终结信号。

30. it is indeed a blissful feeling to be able to switch on your computer and get a clear internet connected signal.

    一种幸福的感觉，油然而生…开了电脑居然能马上联上网。

31. At a prearranged signal the lights went out.

    预定的信号一发出，灯就全灭了。

32. the lengthening days that signal the end of winter

    白昼变长标志着冬天的结束

33. She signalled, and the waiter brought the bill.

    她打了个手势，侍者就拿来了账单。

34. he whistle signalled the end of the match.

    哨声吹响，示意比赛结束。

35. The whistle signalled the end of the match.

    哨声吹响，示意比赛结束。

36. He pressed the red alarm signal to see if it was on or off.

    他按了一下红色报警信号钮，检查一下它是开著的还是关著的。