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,本系统在正确率、误检率、识别速度等方面均获得了较理想的结果。
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.
该方法采用传统的恒虚警率(CFAR)检测方法,但其门限设置是基于沿距离和多普勒单元功率谱值的回归分析。
This modification had a significant effect on the false alarm rate.
此修改对假警报率有很大的影响。
One of the main goals of the Hornet is to reduce the false alarm rate for target acquisition, House says.
House说。House说,Hornet的主要目标之一是减少目标获取的错误报警率。
The producing reason of false alarm rate and missed alarm rate, along with their correlation in radiation dosimetry are discussed from the point of view of statistics in this article.
本文从统计学角度探讨了辐射信号测量中误报率和漏报率的产生原因及其相互之间的关系,提出了控制误报率和漏报率的方法。
The constant false alarm rate (CFAR) processing of radar signal is an important item of modern radar signal processing.
雷达信号的恒虚警率(CFAR)处理是现代雷达信号处理的重要内容。
The proposed detection algorithm ensures the constant false alarm rate (CFAR) in homogeneous and partially-homogeneous clutter background.
研究结果证明该算法在均匀杂波环境和局部均匀杂波环境都有恒虚警的性质。
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.
为了充分利用目标的运动信息,连续多帧图像的融合特征图像进行能量累积,达到进一步提高检测概率,降低虚警率。
To decrease the false alarm rate and improve hit rate of IDS, an improved BP algorithm was applied to an ID model.
为了降低入侵检测系统的误警率,提高检测率,在入侵检测模型中应用了一种改进BP算法。
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。
There is a very high leaking and false alarm rate in general IDS.
在一般的ID S中存在着很高的漏报和误报率。
The multielement interrelated detection technique is of maximum detection sensitivity and minimum false alarm rate by the correlation function.
多元相关探测技术在具有很好的探测灵敏度的同时,兼顾保证了极低的虚警率。
The simulation result shows that VPSD is a kind of constant false alarm rate detector, which can detect HFM signal effectively in low SNR, and can adapt to the Doppler mismatch very well.
仿真结果表明,周期斜率方差检测器是一种恒虚警概率检测器,在较低信噪比下可有效检测双曲调频信号,并对多普勒失配有很好的适配性。
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.
与传统两状态方法相比,基于三状态方法的BIT通过诊断间歇故障,不仅有效地抑制间歇故障引起的虚警,而且还能提高故障检测率。
For this new CFAR detector we obtain analytic expressions of the false alarm rate and detection probabilities un-der the Swerling 2 assumption.
对这种新的恒虚警算法在斯威林2型目标假设下,我们获得了虚警和探测概率的解析表达式。
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率并保持较低误检率的快速人脸检测,提出了一种基于知识的人脸检测方法。
It is critical that detection Rate (DR), False Alarm Rate (FAR) and Mean Time to detection (MTTD) are improved in expressway automatic incident detection.
改善自动事件检测方法的检测率(DR)、误报率(FAR)和平均检测时间(MTTD),对于提高事件管理效率至关重要。
For RS object detection based on SVMs, the false alarm rate is commonly high because of limited object samples and relative complex background.
在基于支持向量机的遥感影像目标检测中,因为有限的目标样本和相对复杂的背景,造成检测结果的虚警率偏高。
The experimental results show that the model has high detection rate, and which can deduce the false alarm rate effectively.
对模型和算法进行多种典型攻击测试实验,结果表明模型具有较高的检测率,并能有效降低误警率。
The nonparametric constant false alarm rate (CFAR) property of digital polarity sampled phase reversal coded pulse compressors is described.
本文阐述了极性采样倒相编码数字脉冲压缩处理器的非参量恒虚警率(CFAR)特性。
Second, the expert system adopted currently by most intrusion detection products have high false alarm rate because the network attack means change variably.
第二二,当前绝大多数入侵检测产品采用的都是专家系统,但网络攻击手段变化多样,导致误报漏报率太高;
The results proved that: this system have high sensitivity, satisfactory discrimination results, correct and stable operation feature, and with negligible false alarm rate.
结果证明:系统有高灵敏度、高正确鉴别率、极低虚警率和运行正确稳定的特点。
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,仅靠一个传感器的报告提供的信息来识别已经相当困难,必须通过多传感器信息融合的方法来提高对入侵的识别率,降低误警率。
It is composed of adaptive MTI (AMTI) with variable number of pulses, digital pulse compression (DPC), moving target detector (MTD), digital integration (di) and constant false alarm rate (CFAR).
它包括点数可变的自适应动目标显示(AMTI),数字脉压(DPC),动目标检测器(MTD),数字积累(DI)和恒虚警率处理(CFAR)。
The experiment results on dataset KDDCUP99 demonstrate that the method has promising performance with high detection rate and low false alarm rate.
在KDDCUP99数据集上的测试结果表明,该方法有高的检测率和低的误报率。
A new multi-threshold frequency domain constant false alarm rate detection algorithm for radar fuse was presented.
提出了一种新的雷达引信多门限频域恒虚警率检测算法。
In this paper, a constant false alarm rate detection algorithm for optical and infrared small targets in a heavy clutter background is introduced.
介绍了一种强杂波条件下对可见光和红外小目标进行检测的恒虚警率算法。
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)和单元平均(CA)提出一种新的恒虚警检测器(FUCAP)。
The high false alarm rate is the main problem which puzzles the research and application of the BIT technology.
虚警率较高始终是困扰BIT技术研究和应用的主要问题之一。
The former studies on distributed constant false alarm rate (CFAR) detection, especially for distributed ordered statistics (OS) CFAR detection, are limited on simple ideal conditions.
对分布式恒虚警(CFAR)检测系统,特别是分布式统计排序(OS)CFAR检测系统的研究,往往局限于较为理想的简单条件。
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