false alarm

美 [ˌfɔːls əˈlɑːrm]英 [ˌfɔːls əˈlɑːm]
  • n.假警报;虚惊

复数: false alarms

false alarmfalse alarm

noun

假警报;虚惊
a warning about a danger that does not happen; a belief that sth bad is going to happen, when it is not

The fire service was called out but it was a false alarm.

消防人员接到报警后出动,但这是假报火警。

false alarm

频次

  • 1
    N-COUNT 假警报;虚惊
    When you think something dangerous is about to happen, but then discover that you were mistaken, you can say that it was a false alarm .

    ..a bomb threat that turned out to be a false alarm.

    最终证实是虚惊一场的爆炸恐吓

noun

1
a warning that is given about something that fails to occur

数据来源:WordNet

  1. Sorry for the false alarm but it was for a good cause .

    我对假警报表示抱歉,不过这是为了做好事。

  2. And if what is happening on my planet is a false alarm ?

    如果我们星球上的事只是假警报呢?

  3. The fire service was called out but it was a false alarm .

    消防人员接到报警后出动,但这是假报火警。

  4. a bomb threat that turned out to be a false alarm .

    最终证实是虚惊一场的爆炸恐吓

  5. The BIT False Alarm Reducing Technology Based on Support Vector Machine

    基于支持向量机的机内测试降虚警技术

  6. False Alarm Rejection Based on Optical Design for Infrared Surveillance System

    基于光学设计的红外警戒系统虚警抑制

  7. The Constant False Alarm Rate Based on Neural Network

    基于神经网络的恒虚警处理

  8. Built-in Test ( BIT ) False Alarm Analysis and Control

    机内测试虚警分析及控制

  9. They think it was all some kind of false alarm .

    他们认为这全都属于假报险情。

  10. Mathematical Model Analysis Of False Alarm In Mechatronics Built-in Test Systems

    机电设备BIT系统中虚警问题的数学模型分析

  11. Application of constant false alarm rate of APD in laser imaging system

    雪崩光电二极管恒虚警率控制在激光成像系统中的应用

  12. Constant False Alarm Rate Detection of Small Targets in Clutter Background

    复杂背景下小目标恒虚警检测技术研究

  13. E. mean time to detect , detection rate and false alarm rate .

    同时,从平均检测时间、检测率和误报率3个方面介绍该技术算法性能的评价方法。

  14. A Novel Constant False Alarm Rate Detector Based on Ordered Data Variability

    一种基于排序数据方差的恒虚警检测器

  15. A study of false alarm probability in nuclear monitoring

    核监控过程中虚警率的研究

  16. Mathematical Analysis of Several Typical False Alarm in the Built-in Test System of Complex Equipment

    复杂设备BIT系统几种典型虚警的数学分析

  17. The standard variance characteristic of target data is used to reduce false alarm rate .

    算法同时利用目标方差特性以减少虚警率。

  18. Research of Adaptive Threshold of Constant False Alarm Detection

    自适应门限恒虚警检测的研究

  19. Research on False Alarm Reducing Technology in the BIT of Helicopter Heading Attitude System

    直升机航向姿态系统BIT降虚警技术研究

  20. Order - Statistics Constant False Alarm Rate Detector with Noncoherent Integration

    带有非相参积累的序列统计恒虚警检测器

  21. Multi-sensors make the least false alarm and enhance the reliability of system .

    多传感器的应用实现了低误报率,增强了系统可靠性。

  22. There was a false alarm last ... week .

    上周也有过一次误报警。

  23. I already told you it was a false alarm .

    我已经告诉你是误警了。

  24. False alarm experiment for some detection systems

    几种检测系统的虚警试验

  25. The false alarm probability is less than 1 / 3 000 .

    该装置误报率小于1/3000。

  26. The Design and Realization of Radar Constant False Alarm Curcuit Based on Digital Technology

    基于数字技术的雷达恒虚警电路设计与实现

  27. Analysis on Probability of False Alarm and Detection The system shows low false warning probability .

    电子侦察信号实时检测算法及性能分析系统能较准确地对异常情况进行报警,虚假报警率和漏报警率较低。

  28. The model can produce new rules , find intrusion data and decrease the false alarm rate .

    实验表明,该模型能生成新规则,找到入侵数据,降低入侵检测系统的误警率。

  29. You think this is another false alarm .

    你以为这又是次错误的安排。

  30. The simulation results show that the method can obtain high detection probability and low false alarm probability .

    仿真结果表明,该方法能获得较高的检测概率,较低的虚警概率。