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false-alarm
相关语句
  假报警
    A Discriminating Method of Restraining False-alarm of Warning Device
    抑制报警电路假报警的鉴别法
短句来源
  假报警
    A Discriminating Method of Restraining False-alarm of Warning Device
    抑制报警电路假报警的鉴别法
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  false-alarm
In order to keep the observer's false-alarm rate under a certain specified value, it is necessary to have an acceptable matching between the observer model and the system parameters.
      
Neyman-Pearson detection is utilized to determine the effects of false-alarm and signal characteristics on the measures.
      
However, the coincidence electronics are optimized for neutron to gamma-ray discrimination allowing very sensitive measurements with a low false-alarm rate.
      
The objectives of our study were (1) to implement intelligent respiratory alarms with a neural network; and (2) to increase alarm specificity and decrease false-alarm rates compared with current alarms.Methods.
      
The detection rates for the Bayesian checks outperformed those for the classical checks, but at the cost of higher false-alarm rates.
      
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This paper suggests a new method of restraining false-alarm of warning device according to satistics. The principle of the method of discrimination is explained and satisfactory results are shown.

本文根据统计学规律提出一种抑制报警电路假报警的新方法。

A pedestrian portal monitor for special nuclear material (SNM) and its software are developed. Its performances are as follows:detection sensitivities are 1.03 g and 0.031 8 g respectively for high enrichment uranium and low burned plutonium; false alarm probability is 1/5 500 . The portal monitor for SNM is used to prevent unauthorized removal of fissile materials such as 235 U and 239 Pu in protected area. The monitor uses a personal computer to provide automatic operation . The...

A pedestrian portal monitor for special nuclear material (SNM) and its software are developed. Its performances are as follows:detection sensitivities are 1.03 g and 0.031 8 g respectively for high enrichment uranium and low burned plutonium; false alarm probability is 1/5 500 . The portal monitor for SNM is used to prevent unauthorized removal of fissile materials such as 235 U and 239 Pu in protected area. The monitor uses a personal computer to provide automatic operation . The sequential probability ratio test(SPRT) algorithm is used to determine the presence of SNM over background.

采用γ射线探测器阵列和序贯概率比检验法建立了人员出入口核材料放射性监测装置 ,以检测通过出入口的人员是否以隐蔽方式非法携带核材料或其它放射性物质。

The repression of false alarm is an important issue in need of consideration in the design of radiation monitoring instruments. This paper presents a design scheme against the origination of false alarm, based on the mathematical analysis of the action of the fluctuating continuous signals on the set alarm threshold. In particular, nearly complete repression can be, in practice, achieved by employing a scheme of unequal-weighted signals of events contributing to alarm adjustment.

假报警是辐射监测仪器设计中应考虑的一个重要问题。本文从假报警的产生入手 ,根据统计涨落的连续信号作用于设定的报警阈时的数学分析 ,提出了抑制假报警的设计方案。特别是偶然事件对导致决定报警与否的判定依据的不等权贡献方案 ,有可能实现对假报警的事实上的近于完全抑制

 
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