1) false alarm rate
虚警率
1.
The false alarm rate and sensitivity in nuclear material monitoring system are affected by alarm principle.
分析了放射性监控过程中两种不同的报警判据对虚警率和灵敏度的影响,进行了实验验证,两者吻合的很好,本研究为放射性监控仪器报警判据的优化设计提供了技术支持。
2.
Should take effective anti-interference measures to reduce the false alarm rate laser warning apparatus in complicated battlefield environment when it s guarding in large field for a long time.
激光告警器在复杂战场环境下长时间、大空域进行警戒时,必须采取有效的抗干扰措施来大幅度降低其虚警率。
3.
How to determine the fault threshold directly influences the false alarm rate and the rate of missing report,which is virtue important in outcome of the circuit fault diagnosis.
如何设定故障门限值直接关系到虚警率和漏报率的大小,从而对诊断结果影响很大。
2) false alarm probability
虚警率
1.
The calculation methods of the theoretical threshold,the false alarm probability and the detection probability for the parallel,serial and single detection systems were given.
论述了磁与激光复合探测原理;分析了复合系统的信息融合模式及探测方式;给出了串并行两种方式中系统的理论探测门限、探测概率与虚警率的计算方法;研究了系统在不同方式下的探测性能。
2.
When the probability of the photoelectrons produced by the detector is of Poisson or Gaussian distribution, the detectivity and false alarm probability of the signal are calculated respectively.
在探测器产生光电子的概率为泊松分布和高斯分布的情况下，分别对信号的探测率和虚警率进行了定量的计算。
3) FAR
[英][fɑ:(r)] [美][fɑr]
虚警率
1.
But the high false alarm rate(FAR) is one of the important factors that prevent BIT from wider application.
BIT技术是改善系统测试性和诊断能力的重要途径,但是较高的虚警率一直是阻碍BIT广泛应用的一个重要原因。
2.
High false alarm rate (FAR) was one of themain problems that obstructed the developing andapplication of Mechatronics Built-in test (BIT)technology.
BIT虚警率是影响BIT正常使用的主要问题之一。
3.
Based on the mechanism of the false alarm and built-in test (BIT) system information treating process, a model was established for calculating false alarm rate (FAR).
根据虚警产生的机理及机内测试(BIT)系统信息处理流程对虚警率建模。
4) false positive rate
虚警率
1.
Research on false positive rate of AIDS based on artificial immunity
免疫AIDS虚警率问题研究
2.
It can produces costimulation provided by three agents showing whether the integrity, confidentiality, or availability of a system is compromised to reduce the false positive rate of the detection system.
提出了一种入侵检测系统中的新型协同信号机制,该机制根据入侵检测的定义以及自然免疫系统的T协助淋巴细胞的工作机理,利用三种检测代理提供的说明系统完整性、保密性、可用性是否受到危及的信号作为入侵检测系统的协同信号以降低系统的虚警率。
3.
The reasons for creditability crisis in available intrusion detection systems are discussed and the high false positive rate and low intrusion base rate leading to the IDSs undependable are explained.
首先讨论了当前入侵检测系统存在的信任危机的原因 ,并得出结论 :若希望入侵检测系统的报警可信概率超过5 0 % ,必须使虚警率低于入侵发生的先验概率 接着论述了在异常检测系统和滥用检测系统中产生虚警的原因 最后结合研发的AIIDS系统讨论了抑制虚警可能采取的方法 ,重点讨论了用隐马尔可夫模型过滤系统调用数据以增加相对条件熵的方法和根据入侵的定义以及来自免疫系统机理的启发 ,建立了协同信号机制而遏制虚警的方法。
6) false-alarm probability
虚警概率
1.
The STAP detector based on maximum SINR is proposed in this paper,Via setting the hypothesis test reasonable,deduces the statistic characteristic,and the relationship between detection threshold and false-alarm probability and detection probability.
文中基于最大输出SINR准则构建了STAP检测器,通过对假设检验关系的合理设置,推导出了检验量的统计特性,并得出了虚警概率和检测概率与检测门限的关系,以及在给定虚警概率条件下的判决门限。
2.
This paper proposes the STAP detector based on likelihood ratio rule,through the signal model and the likelihood ratio test,deduces the statistic characteristic,and the relationship between detection threshold and false-alarm probability and detection probability.
基于STAP雷达的信号模型,通过对似然比检验量的推导,得到了似然比检验关系,在此基础上构建了STAP检测器,并在高斯噪声输入的假设下,得出了虚警概率和检测概率与检测门限的关系,以及在给定虚警概率条件下的判决门限。
3.
Figures of false-alarm probability versus E_c/N_o and figures of detection-probability versus E_c/N_o on AWGN condition are presented.
在包交换同步码分多址 (P- SCDMA:Packet- Switch- Synchronious Code Division Multpiple Access)系统的扩频序列的捕捉方案基础上 ,建立了信号模型并运用 m序列部分相关的统计结论从理论上对捕捉系统的参数进行了分析 ,给出了在 AWGN环境下虚警概率对 EC/N0 、检测概率对 EC/N0 的图像。
补充资料：知警
1.知道警诫。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条