false alarm

英 [ˌfɔːls əˈlɑːm]

美 [ˌfɔːls əˈlɑːrm]

n. 假警报; 虚惊

计算机

牛津词典

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
1. 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。

柯林斯词典

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 afalse alarm.
1. ..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

英英释义

noun

a warning that is given about something that fails to occur

双语例句

The running results have testified that the system is easily realized with low false alarm rate and higher value.
运行结果证实，误报率低，易于实现，具有较高的应用价值。
The results of analysis and the simulation showed that the new method can provide higher detecting probability and lower false alarm rate.
最后，对该方法的检测流程和检测性能进行分析，仿真结果表明，该方法能够获得更高的检测概率以及更低的虚警概率。
The article expatiates the relation of alarm threshold, investigation level, probability of detecting and false alarm rate.
阐述了核材料探查仪器的报警阈与调查水平、漏报率和误报率之间的关系。
In order to guarantee the false alarm probability of CFAR detector, we determine practical threshold coefficients by using simulations.
本文中我们通过仿真的方法确定CFAR中的实际门限系数，研究有限的参考单元数对虚警性能的影响。
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
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。
It offers low false alarm rates and nuisance alarm rates without compromising on high probability of detection levels.
它降低了虚假警报率和干扰警报率，但不会降低高概率的探测级别。
I already told you it was a false alarm.
我已经告诉你是误警了。
Simulation results show the mechanism can detect the DNS attack, it makes good compromise between the detection rate and the false alarm rate.
仿真结果表明，该机制能够有效检测DNS缓存攻击，并实现检测准确率和误警率间的平衡。
The model-based false alarm of BIT is studied. Firstly, the information uncertainty that induces false alarm of BIT is analyzed.
针对基于模型的BIT中的虚警问题，首先分析了引发虚警的信息不确定性；