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目标
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  target
    Radar Target Recognition Using High Resolution Range Profiles
    基于高分辨距离像的雷达目标识别
短句来源
    Application of Fractal Methods in Target Detection
    目标检测的分形方法及应用
短句来源
    THE STUDY ON LASER TARGET IDENTIFICATION AND COMMUNICATION SYSTEM
    激光目标识别与通信系统研究
短句来源
    Study on Recognition of Radar Target Using Range Profiles
    雷达目标一维距离像识别研究
短句来源
    Study on Passive Underwater Target Tracking and Adaptive Guidance Law Design
    水下目标被动跟踪及自适应导引律研究
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  target with
    Research on Detecting and Imaging of Moving Target with Airborne Synthetic Aperture Radar
    机载合成孔径雷达动目标检测与成像研究
短句来源
    A New Method of Imaging of Moving Target with SAR
    合成孔径雷达动目标成像的一种新方法
短句来源
    Doppler effect on azimuth estimate of a moving target with IMP algorithm
    多普勒效应对应用IMP算法估计目标方位的影响
短句来源
    Accurate Prediction for Trace of a Moving Target with Fitting Function Method
    用拟合函数法准确预测运动目标的轨迹
短句来源
    On Improving Detection of Underwater Target with a Special Line Enhancement Algorithm
    基于高阶统计量的水下目标动态线谱增强算法研究
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  “目标”译为未确定词的双语例句
    Synthetic High-Range-Resolution Radar Imaging and Motion Compensation
    脉冲合成高分辨雷达目标运动补偿与成像
短句来源
    Design of Signal and Research of Information Extraction to High Resolution Radar
    信号设计及高分辨雷达目标信息提取技术研究
短句来源
    High Performance Routing for Traffic Engineering and Quality-of-Service
    以流量工程和服务质量控制为目标的高性能路由技术
短句来源
    High Resolution Radar Imaging Based on Higher-Order Statistics
    基于高阶统计量的雷达目标高分辨成像研究
短句来源
    Development of CCD MTI Systems
    CCD动目标显示系统的研制
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  target
Its absolute value (|A(u)|) measures the correlation between the signal u emitted by the radar transmitter and its echo after reaching a moving target.
      
As the main application it is shown that, in general, a localization operator possesses the Fredholm property, and thus its range is closed in the target space.
      
Such an estimate is both more representative of the target region and reduces the estimation variance when compared to estimates formed by any single bandlimited window.
      
These findings provide compelling evidence that DNA is the ultimate target of these drugs that act on the human genome.
      
CHEMICAL GENOMICS FOR FASTAND INTEGRATED TARGET IDENTIFICATION AND LEAD OPTIMIZATION
      
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  target with
Histone deacetylases have emerged as important drug target with a multitude of therapeutic potentials for their inhibitors.
      
The powders are prepared through evaporation of a target with a pulsed CO2 laser, followed by magnetic pulsed compaction.
      
The system allows the irradiation of any target with transverse dimensions of ≥200 × 200 mm by scanning it with the beam 5 to 10 mm in diameter from effective distances SAD of 4-5.5 m.
      
This technique is based on detection in test experiments of X rays from a specially designed target with a slit X-ray streak camera.
      
The results of recording laser pulses at the output of the amplifying stages obtained in working experiments allow determination of the difference of times of arrival of laser beams at a target with an accuracy no worse than 50 ps.
      
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The paper deals with the problem of the detection and the estimation of parameters of radar signals in the Gaussian white noise from the point of view of the theory of statistical decision. The design principle of the optimum radar receiver for signals of unknown parameters is given according to the characteristics of the high-speed target at distance and to the purposes of radar systems. Unified detection procedures are established the construction and the performances of the optimum radar receivers are obtained.The...

The paper deals with the problem of the detection and the estimation of parameters of radar signals in the Gaussian white noise from the point of view of the theory of statistical decision. The design principle of the optimum radar receiver for signals of unknown parameters is given according to the characteristics of the high-speed target at distance and to the purposes of radar systems. Unified detection procedures are established the construction and the performances of the optimum radar receivers are obtained.The block diagrams of these results are also shown.Emphasis is given to the case where the prior distributions are unknown, while only two parameters, velocity and distance, are discussed for the case where the prior distributions "re known. For the latter case, the optimum estimations of these two parameters and their properties are derived from the absolute loss criterion.

本文以统计判决理论观点考虑淹没于正态白噪声中雷达信号检测和参数估计问题。根据远距离高速目标的性质及雷达系统的目的,指出未知参数信号最佳雷达接收机的设计原则。建立了统一的检测程序,得出最佳雷达接收机的结构及其性能。也附有这些结果相应的方框图。 着重于论述信号参数先验分布未知的情形,对于先验分布已知的情形,只讨论了目标速度和距离两个参数。在后种情形,以绝对损失标准导出达两个参数的最佳估计程序和它们的性质。

~~

本文介绍了匹配滤波器的概念及利用延时线系统构成匹配滤波器的原理,并说明了利用具有反馈电路的延时线系统实现在雷达接收机检波器以前对雷达回波信号近似匹配滤波器的原理,实现方法,以及与理想匹配滤波器的比较。实现这种系统的雷达在抗人为干扰、抗固定目标干扰、测速、增加作用距离等方面具有独特的优点。

A comprehensive review on the radar target signature of aircraft and space vehicle, essentially from the view point of ECM and radar remote sensing, has been delivered.

本文着重从电子对抗和雷达遥感角度综合评论了航空和航天目标的雷达特征问题。

 
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