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false alarm rate 火灾误报率;误警率;虚率

  • The simulation result shows that the proposed UID will be ensure a low false-alarm rate in both the multipath channels and heavy "near-far effect" environments.

    仿真结果证明多径信道-效应环境下UID可以保证概率

    dict.cnki.net

  • It′s difficult to identify the intrusion by the information gathered through one sensor, so we should use the information fusion method to improve the detection rate and lower the false-alarm rate.

    对于伪装性入侵行为与正常用户行为来说,仅一个传感器报告提供的信息识别已经相当困难必须通过传感器信息融合方法提高入侵识别率降低

    dict.cnki.net

  • A low-complexity CFAR (const false-alarm rate) frame detector is proposed, which exploits periodic structure of preamble and outperforms conventional autocorrelation detector.

    提出了一种基于周期序列复杂性、恒检测器性能优于常规的基于序列自相关检测器

    dict.cnki.net

  • It uses a conventional constant false-alarm-rate(CFAR) detection procedure but the thresholding scheme is based on regression analysis of power spectrum values along range and Doppler cells.

    方法采用传统CFAR检测方法门限设置基于沿距离多普勒单元功率回归分析

    dict.cnki.net

  • The experiment results show that the system is quite successful and achieves a high hit-rate , low false-alarm-rate and high recognition speed.

    实验结果表明系统正确率、识别速度等方面均获得了较理想结果

    dict.cnki.net

  • At a miss probability of 5%, the hybrid approach using UBM and T-cohort models reduce the false alarm rate to 0.5% compared to 2% for the baseline.

    错误拒绝率为5%时,方法可以获得0.5%的错误接受,远远低于采用通用背景模型归一化方法2%。

    dict.cnki.net

  • By diagnosing intermittent fault, BIT with the method is better than that of two-state method in reducing false alarm rate as well as increasing fault detection rate.

    传统状态方法相比,基于三状态方法BIT通过诊断间歇故障,不仅有效抑制间歇故障引起的而且提高故障检测

    www.dictall.com

  • A new multi-threshold frequency domain constant false alarm rate detection algorithm for radar fuse was presented.

    提出一种新的雷达引信门限检测算法

    www.dictall.com

  • For this new CFAR detector we obtain analytic expressions of the false alarm rate and detection probabilities un-der the Swerling 2 assumption.

    这种新的恒虚警算法2型目标假设下我们获得探测概率解析表达式

    dict.cnki.net

  • Should take effective anti-interference measures to reduce the false alarm rate laser warning apparatus in complicated battlefield environment when its guarding in large field for a long time.

    激光告警复杂战场环境时间空域进行警戒必须采取有效抗干扰措施大幅度降低

    www.dictall.com

  • To accelerate the speed of face detection and get low false alarm rate, an approach of knowledge-based face detection is proposed.

    为了获得具有较高检测保持较低快速人脸检测提出了一种基于知识人脸检测方法

    www.dictall.com

  • A new constant false alarm rate(CFAR) detector(CMCAGO-CFAR) based on censored mean and cell averaging is presented in this paper.

    文中基于删除平均(CM)方法单元平均(CA)方法,提出了一种新的检测器CMCAGO-CFAR)。

    www.dictall.com

  • It is the first time for the system to meet three key targets: large-scale, high recognition rate and low false alarm at the same time.

    系统国内首次同时达到容量,实时极低设计指标

    dict.cnki.net

  • The proposed detection algorithm ensures the constant false alarm rate(CFAR) in homogeneous and partially-homogeneous clutter background.

    研究结果证明算法均匀波环境局部均匀环境有恒虚警的性质。

    dict.cnki.net

  • The problem of multiband coherent radar adaptive constant false alarm rate (CFAR) detection against a compound-gaussian clutter background is investigated in this paper.

    研究了复合高斯杂波环境多频带相干雷达自适应检测问题

    www.dictall.com

  • In order to sufficiently utilize the motion information, the feature images of multi-frame are cumulated to improve the detection probability and reduce the false alarm rate.

    为了充分利用目标运动信息,连续图像融合特征图像进行能量累积达到进一步提高检测概率降低

    dict.cnki.net

  • In order to improve intrusion detection quality, the improved k-means algorithm was proposed according to the detection rate and the false alarm rate.

    此同时,介绍一个基于类分析的入侵检测系统模型模型的基础上算法进行了计算机仿真验证。

    www.fabiao.net

  • In the experiments, the one-class classifier acquires 100 % detection rate and 4.9 % false alarm rate for sequences of system calls.

    通过主机系统执行迹数据测试,试验获得了对异常样本接近100%的检测报警4.9%。

    dict.cnki.net

  • False Alarm Rate(CFAR) detector(FUCAP) based on Fuzzy logic, Unbiased Minimum-Variance Estimation(UMVE) and Cell Averaging(CA) is presented in this paper.

    基于模糊逻辑无偏最小方差估计UMVE单元平均CA提出一种新的恒检测器FUCAP)。

    www.dictall.com

  • 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).

    根据产生机理机内测试BIT系统信息处理流程建模

    www.dictall.com

  • Based on the Non-Gaussian clutter model, channel independent methods are used to simulate polarimetric SAR images and the detection rate and false alarm rate are calculated using land and ocean data.

    基于高斯背景通过通道独立仿真方法进行极化SAR图像仿真计算比较了多极化SAR陆地海洋目标的检测

    dict.cnki.net

  • Besides that, the flow of fuzzy-logic-based algorithm is constructed. Compared with increment algorithm, the new algorithm has higher detection rate and lower false alarm rate.

    通过增量比较判别法改进以及模糊逻辑引入,提高算法检测降低算法

    www.fabiao.net

  • The images used in the experiments are composed of some real pictures and man-made point target (signals, ) and the method is proved to be with high accuracy and sensitivity and low false alarm rate.

    试验图像采用实际背景图像模拟的目标信号相结合。试验表明算法具有良好的探测精度灵敏度以及

    dict.cnki.net

  • An ensemble learn-based algorithm is presented to meet the goal, which is low in compute complexity and have high detection rate and low false alarm rate.

    该算法具有计算复杂度同时具备检测的优点。

    www.fabiao.net

  • A model - based polarimetric adaptive CFAR detection algorithm is derived that has a lower estimation loss. A theoretical expression is derived for constant false alarm rate of the proposed algorithm.

    提出了一种基于模型极化适应检测算法,该算法极化适应匹配滤波器算法估计损失,并推导出概率表达式

    epub.cnki.net

  • A new adaptive constant false alarm rate(CFAR) detector, referred as stepwise cumulation CA(SCCA) CFAR detector, is presented for target detection in a multi-target environment for SAR imagery.

    针对目标环境下SAR图像目标检测提出一种新的自 适应CFAR检测器

    www.71155.com

  • A new adaptive constant false alarm rate(CFAR) detector, referred as stepwise cumulation CA(SCCA) CFAR detector, is presented for target detection in a multi-target environment for SAR imagery.

    针对目标环境下SAR图像目标检测提出一种新的自 适应CFAR检测器

    www.71155.com

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