Methods for statistical analysis of crack detection probability and some ideas are given.
给出了结构件裂纹检测技术的检出概率统计分析方法,并提出了新的设想。
We have to search over a wide range in these parameters to maximize detection probability.
我们只能在尽量宽广的参数范围内进行搜索,才能最大程度地增加发现目标的可能性。
The evaluation via detection probability is helpful to the analysis of infrared stealthy effectiveness.
以发现概率进行评估便于隐身效果分析。
The detection probability calculating method about low pulse repetition frequency(LPRF) PD radar against air vehicle is studied.
提出了低脉冲重复频率(LPRF)PD雷达探测飞行器目标的发现概率计算方法。
Finally, a curve about the change of detection probability with SCR is shown to explain the anti jamming performance of this radar.
最后给出了发现概率随信杂比变化的曲线来说明该雷达的抗干扰性能。
Given detection probability and false alarm time of a radar, the system output SNR would affect the radar's effective rang directly.
在给定雷达的检测概率和虚警概率后,系统输出信噪比直接影响雷达的作用距离。
Based on the data of radar flight for test, the method applies radar equation to estimate the detection probability of gridding center.
该方法采用空间分割算法建立网格,以雷达检飞资料作为基础数据,用雷达方程推算各个网络中心的探测概率。
The influence of the ratio of signal to noise, probability of false alarm, and the number of equations on detection probability was analyzed.
分析了最小二乘法使用的方程数、信噪比和虚警概率对检测概率的影响。
Taking detection probability of netted radar fusion center as target function, this paper establishes jamming resource optimum allocation model.
以组网雷达融合中心检测概率为目标函数,建立针对组网雷达系统的干扰资源优化分配模型。
The target detection probability is subject to the influences of many factors, including the area, distribution and contrast of the targets and so on.
目标发现概率受多方面因素的影响,包括目标的面积大小、分布、对比度等。
A visual attention mechanism model for discrete nonlinear sampling is studied to analyze its detection probability during pre-detecting small targets.
针对一种使用了离散非线性采样的视觉注意机制模型,对其应用在小目标预检测上的检测概率进行了研究和分析。
The calculation methods of target detection probability are presented and a calculation method of target detection probability by chromatic difference is given.
对目标的发现概率问题进行探索,提出了利用色差进行发现概率计算的方法。
For the problem of passive location under low detection probability, a multi-sensor fusion tracking algorithm based on sliding window batch technique is presented.
针对低检测概率下的无源定位问题,提出一种基于滑窗批处理的多传感器融合跟踪算法。
Analytic method was used to build up a target searching model for the attacker, and the effect of contrast and visible distance on detection probability was analyzed.
采用解析法建立了攻击机目标搜索模型;分析了对比度和能见距离对发现概率的影响。
Synthesis and integration can improve the signal-to-noise ratio (SNR) of output signal, thus increasing the signal detection probability and extending the radar range.
合成与积累可以提高输出信号的信噪比,从而增大信号检测概率,增加雷达的作用距离。
The calculating results indicate that the modified method can reduce effectively false alarm probability, and raise the detection probability in laser warning receiver.
计算表明该方法既能有效地降低告警设备的虚警概率,又能提高探测概率。
The tracking performance of traditional optic-electric tracking systems degenerates significantly when there is a drop of detection probability with intermittent observation.
随着不完全量测条件下探测概率的下降,传统光电跟踪系统的跟踪性能显著降低。
Experimental results show that the proposed method can detect text regions from different kinds of complex backgrounds, and has high correct detection probability and robustness.
实验表明,该算法能够对各种复杂背景图像中的文字区域进行检测,且正确率高,具有一定的鲁棒性。
Simulations of real IR image sequence with low SNR prove the algorithm can effectively detect dim moving target, and has high detection probability and excellent real time performance.
仿真实验结果表明,该算法具有较高的检测率和良好的实时特性,能有效地检测出低信比红外图像序列中的弱小运动目标。
The operating range for extended target is calculated by considering of the target finding ability of eyes, contrast of target luminance, discrimination level and detection probability.
并综合考虑人眼的目标发现能力、目标的亮度对比度、观察等级和探测概率的要求,计算出面源目标的作用距离。
Based on the preprocessing of the intelligence data from radar intelligence automation system, a new computation method of radar detection probability based on the measured data is presented.
基于对雷达情报自动化系统日常积累的情报数据进行预处理提出了一种基于实测数据的雷达探测概率计算方法。
Then the amplitude threshold is established combined with detection probability. The method of ascertaining pulse number threshold is analyzed according to orientation requirement and target size.
在此基础上,结合探测概率制定幅度门限,根据定位要求及目标尺寸,分析了脉冲个数门限的确定方法。
The experiment results indicate that wavelet transform can enhance the target and suppress background clutter effectively, and improve the target detection probability and reduce the detection error.
实验结果表明,小波变换能很好地增强目标,抑制背景杂波,从而提高目标检测概率,降低误检测。
Detection probability of ball-borne radars operating in down-looking mode is mostly restricted by ground clutter.
球载雷达采用下视探测工作模式时,其检测能力主要受地杂波制约。
Detection probability of ball-borne radars operating in down-looking mode is mostly restricted by ground clutter.
球载雷达采用下视探测工作模式时,其检测能力主要受地杂波制约。
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