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true target
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  目标真实
     In this paper, a method for calculating track purity is proposed in order to realize the correlation between fusion tracks and true target tracks.
     提出一种计算航迹纯度的方法 ,解决了融合航迹与目标真实轨迹的关联这一关键技术难题。
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  真实目标
     his paper presents a useful calculating method which usea two neighboring frames in image sequences to determine the true target region from the candidate ones in segmented binary images. After background registration, the histogram of the background noise distribution and that of thenoise distribution of each pair of candidate regions with corresponding relation can be obtained. Bycomparing the discrepancy between the above two histograms, the true target can be accurately identified.
     提出了一种利用图像序列中两帧相邻图像从分割所得二值图像的各个候选目标块中确定真实目标的有效算法.背景配准后,可获得背景噪声分布的直方图,同时获得具有对应关系的候选目标块间的噪声分布直方图,通过比较它们与背景噪声分布直方图之间的差异性,即可准确地辨别出真实目标.通过对实际图像序列进行实验,证实了本方法的有效性.
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     meanwhile, with ECM the stealth of warship is able to bate the acquisition of the true target by the terminal guidance radar.
     隐身舰艇利用电子干扰产生假目标将可以抑制末制导雷达对真实目标的捕捉。
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     Finally, the true target can be accurately detected by removing noise interference based on continuity of moving target in the image sequence.
     最后,根据目标像素在序列图像中运动的连续性排除噪声干扰,从而准确地检测出真实目标
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  “true target”译为未确定词的双语例句
     The results showed that microcapsule PCM could both simulate and cover the IR thermal signature of true target,and the microcapsule PCM has double function.
     结果表明微胶囊相变材料既能够有效地模拟真目标的红外热特征,也能有效地遮蔽目标的红外热特征,具有红外隐真—示假的双重功能.
短句来源
     First approach is True Target Probability (TTP) and based on two kinds of the hypothesis, the calculating formula of TTP is reached in this paper.
     首先对目标航迹的真实跟踪概率(TTP)进行了讨论,在两个模型假设的基础上给出了TTP的计算公式。
短句来源
     The paper discussed capturing rate, average false alarm rate , target detection threshold, detected pots clustering and true target distinguishing in detail about the target detection of CCD vertical target measurement system .
     就CCD立靶测量系统的目标检测问题从目标捕获率、平均虚警率、目标检测阈值的选取、检出点聚类、真假目标判别等方面进行了较详细的讨论,并给出了一些已被验证有效的方法和经验。
     The accuracy of true target location by thissystem in multi-emitter condition approaches to the same value as in single emitter condition.
     系统识别出的真实定位点,其定位精度可达单目标环境下的同等定位精度。
短句来源
     The targets have their actual "size" other than a point, so using the distributed model to describe the target can be more exactly fixed with the true target than a point source, can more satisfy the request of the modern weapons to target identification and attack with precision.
     实际目标具有一定的体积,用分布式模型来描述目标会比点目标更真实,更能满足现代武器装备对目标识别和精确攻击目标要害部位的要求。
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  相似匹配句对
     N TARGET
     命中目标
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     Then the true target and trajectory can be detected.
     最后利用粒子群算法检测出真正的运动轨迹,并最终确认红外运动小目标。
短句来源
     Improve The Method to Determine The True Temperature of A Target
     改进测量方法目标真温的测试
短句来源
     the object and target;
     挪用公款罪的客体和对象;
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     True Forgiveness
     宽恕
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  true target
The presence of progestin receptors, however, suggests that meningioma may be regarded as a true target tissue for progestins.
      
Eye displacement was linearly scaled with respect to true target direction.
      
It should be remembered that the true target is the improvement in cardiac electrical stability and that BRS or HRV are just markers of autonomic activity.
      
A differential pursuit game for a group of true and false targets, in which coherently acting targets maximize the minimal distance between the pursuer and true target, is studied.
      
Whether an echo is a true target or a false target can be determined by simply changing the prr.
      
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On the basis of spectrophotometric theory of colorimetry, and according to some recognized colorimetric standard made by the International Commission on Illumination(CIE), this paper attempts to convert the spectral reflectance of target used in remote sensing to the color of the target. The hue, value and saturation of the color of target are expressed in the chromaticity coordinates and the chromaticity diagram,the true target color which is different from the color photograph is obtained, and the color...

On the basis of spectrophotometric theory of colorimetry, and according to some recognized colorimetric standard made by the International Commission on Illumination(CIE), this paper attempts to convert the spectral reflectance of target used in remote sensing to the color of the target. The hue, value and saturation of the color of target are expressed in the chromaticity coordinates and the chromaticity diagram,the true target color which is different from the color photograph is obtained, and the color is standardized, digitized and quantitative.This paper also gives a method for selecting and calculating the parameters necessary in computing the spectral reflectance of targets,thus opening up an application of a great quantity of data which is determined extensively for spectral reflectance of targets.

本文根据颜色光学的组成部分——色度学的颜色分光光度理论,按照公认的国际照明委员会(CIE)关于色度标准的若干规定,推算用于遥感技术中的地物光谱反射比所表征的该地物的颜色。以色度坐标和色度图数字彩色表示该地物颜色的色调、亮度及饱和度。可得到与彩色象片不同的该地物的真实颜色,并且这种颜色具有标准化、数字化和定量化的特点。本文还给出颜色光学用于地物光谱在计算方面所需参数的选取及其运算方法。从而开拓广泛测定的、大量的地物光谱资料的应用。

The performance of air defence missile radar seeker in low-altitude tracking is mainly effected by the ground clutter and multipath interference. The paper deals with the monopulse radar seeker angle tracking performance under the condition of multipath effect on the basis of radar theory on two unresolved sources. A quantitative approach is proposed for separating true target returns from multipath contamination by use of the Brewster angle effect and the doppler difference frequency between target...

The performance of air defence missile radar seeker in low-altitude tracking is mainly effected by the ground clutter and multipath interference. The paper deals with the monopulse radar seeker angle tracking performance under the condition of multipath effect on the basis of radar theory on two unresolved sources. A quantitative approach is proposed for separating true target returns from multipath contamination by use of the Brewster angle effect and the doppler difference frequency between target and its image. Practical example is also given.

雷达导引头低空性能主要受地杂波和多路径效应的影响。本文利用雷达不可分辨双源理论重点分析了单脉冲雷达导引头在有多路径效应存在时的角跟踪性能,并通过实例建立了利用布儒斯特角效应和目标与镜像的多普勒频率差从多路径干扰中分辨真实目标的定量分析方法。

Recognition of ghosts is a very important problem in multi-sited passive location system based onbearing-Only measurements. In this paper, the discussion is based on a passive location system whichcontains a fixed sensor and a moving sensor. A new method for ghost recognition is presented. The ap-proach consists of two phases: the first step is to locate the multi-emitter precisely using extendedKalman filter, Secondly recognizing the ghost with space correlation processing. Computer simulationsshow that the...

Recognition of ghosts is a very important problem in multi-sited passive location system based onbearing-Only measurements. In this paper, the discussion is based on a passive location system whichcontains a fixed sensor and a moving sensor. A new method for ghost recognition is presented. The ap-proach consists of two phases: the first step is to locate the multi-emitter precisely using extendedKalman filter, Secondly recognizing the ghost with space correlation processing. Computer simulationsshow that the above recognition method has good performance when angle span between two targets islarger than the standard derivation of angle measurements. The accuracy of true target location by thissystem in multi-emitter condition approaches to the same value as in single emitter condition.

多站被动定位中,虚假定位点的识别问题是电子侦察中尚待解决的一个重要问题。本文研究包含一个运动站的只测角两站被动定位系统,提出先用扩展Kalman滤波对多个辐射源精确定位,然后通过空间相关处理识别虚假定位点的方法,大量的计算机仿真结果表明,上述识别方法在两目标张角大于测角误差的均方根值时,具有良好的识别效果。系统识别出的真实定位点,其定位精度可达单目标环境下的同等定位精度。

 
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