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目标真实
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  true target
     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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  “目标真实”译为未确定词的双语例句
     In this paper, multi-target measurement data association for the passive location systems is studied, the relationship between the measurement data and the position of target is analyzed, and the degree of measurement data association is defined. The association algorithm of passive location systems based on DOA(direction of arrival) is analyzed, and the validity of the algorithms is veritied by the simulations. \;
     分析了被动定位系统的多目标测量数据关联问题 ,指出要完成多目标测量数据关联被动定位系统需要获得对目标的冗余测量信息 ,并在分析测量数据与目标真实位置的空间几何关系基础上 ,定义了测量数据关联度的概念 ,最后结合测向交叉定位算法提出了无需对目标进行假设定位的测量数据关联方法 ,并进行仿真 ,证明其为一种有效的关联算法。
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     Study on True Altitude Estimation of 3-D Radar
     三坐标雷达目标真实高度估计算法研究
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     The GA-BP algorithm was more efficient than the BP neural network in the true temperature measurement.
     说明GA-BP算法比BP神经网络可以更好地解决了目标真实温度的测量问题。
短句来源
     The result shows that the algorithm can make trace after fusion very close to real moving trace, and it efficiently enhances the integrated quality of radar intelligence.
     结果表明,利用本方法 使融合后的目标轨迹与目标真实运动轨迹非常接近,有效地提高了雷达情报的综合质量。
短句来源
     The method extracts the corners of the target contour as sample points of BP neural network, and then gets the motion model of the target after training the BP neural network. Taking points predicted by BP neural network as initial controlling points of active contour, the real target contour could be detected, which are fed back to BP neural network to modify the model error.
     该算法提取已检测出目标轮廓上的角点作为样本点,采用神经网络来构建目标运动模型,将用此模型预测出的目标轮廓上的点作为主动轮廓线的初始控制点来检测出目标真实轮廓,并反馈回神经网络的输入端来修正模型误差。
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  相似匹配句对
     The modeling is implemented and real objects are rendered.
     实现真实目标建模和绘制 .
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     Secondly, we provided a object environment for the system.
     为系统提供了较为真实的仿真目标环境;
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     N TARGET
     命中目标
短句来源
     the consent is real and voluntary;
     真实的、自愿的;
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     True Romance
     《真实的浪漫》
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  true target
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.
      
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.
      
Eye displacement was linearly scaled with respect to true target direction.
      
The presence of progestin receptors, however, suggests that meningioma may be regarded as a true target tissue for progestins.
      
A fixed effect interpretation would require that the true target effect sizes of each individual RCT were equal.
      
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As the total circumstance radiation which falls on the target being taken as the equivalent radiation of a blackbody at temperature To, the effect of environment radiation change on the sensibility equation of thermal imaging system is studied, and consequently the ratio emissivity ε of the target can be determined theoretically through the change of environment radiation. This paper gives the method and the measurements of temperature of the environment equivalent blackbody T0 Also a new method is given about...

As the total circumstance radiation which falls on the target being taken as the equivalent radiation of a blackbody at temperature To, the effect of environment radiation change on the sensibility equation of thermal imaging system is studied, and consequently the ratio emissivity ε of the target can be determined theoretically through the change of environment radiation. This paper gives the method and the measurements of temperature of the environment equivalent blackbody T0 Also a new method is given about the thermometer measurement of the ratio emissivity of the target. When the environment radiation is not neglected, the problems are methodically and theoretically discussed about how to use a ratio radiometer to measure the real temperature T of the target and how to use the radiometer to measure the spectral reflectivity of visible light from ground target.

把落到目标上的总的环境辐射等效成一个温度为T_0的黑体辐射,研究了环境辐射改变时对热成象系统灵敏度方程的影响,从而从理论上证明了用改变环境辐射的办法可以测定目标的比辐射率。给出了用红外测温仪测定环境等效黑体温度T_0的方法和实验结果。给出了用红外测温仪测定目标比辐射率的一种新方法及实验结果。对于环境辐射不能忽略时如何用比辐射计测定目标的真实温度作了方法性和原理性的讨论。对于如何用测温仪测定地物对太阳的光谱反射率也作了方法性和原理性的讨论。

It is shown that in infrared remote sensing the radiation distribution of ground targets can be well retrieved by the FFT deconvolution techniques. The computercalculated results with various window functions are given and discuased.

本文通过对红外和多光谱扫描物理机理的分析和典型实例计算,证明用快速傅里叶变换解卷积方法处理图象信息,能较好地重现地面目标的真实分布。文中给出采用不同窗函数时计算机处理实例,并对其结果进行了讨论。

A single point target has been dealt with for earlier radars. As the target high-resolution is required for today' radars, the target can be regarded as a set of sequentia points rather than single point in some applications. In this paper the linear FM sig- nal digital matched filter for nonsingle point target is investigated and its results of rectangular window weighting are compared with that of Hamming window weighting. It shows, due to the effect of point-spread function that the output of the matched-filter...

A single point target has been dealt with for earlier radars. As the target high-resolution is required for today' radars, the target can be regarded as a set of sequentia points rather than single point in some applications. In this paper the linear FM sig- nal digital matched filter for nonsingle point target is investigated and its results of rectangular window weighting are compared with that of Hamming window weighting. It shows, due to the effect of point-spread function that the output of the matched-filter could not express the target reflected coefficients correctly. A post-processing algorithm to correct this effect and its simulation results are given.

研究了非点目标线性调频信号数字匹配滤波运算的结果,指出了它就是点目标结果的延时相加,比较了矩形窗和海明窗加权特性,引入了点展生函数的概念,说明了点展生函数的影响将使匹配滤波器输出不能正确反映目标的反射系数,提出了用以反映目标真实特性的后处理算法。

 
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