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编队飞机
相关语句
  formation aircrafts
     Simulation Analysis of The Assaulting To Single Object of Formation Aircrafts by Pixel Method
     编队飞机突击单个目标的像素法仿真分析
短句来源
     The simulation method is put forward to estimate the assaulting capability of formation aircrafts to single object.
     针对编队飞机对单个目标突击的问题,提出仿真求解其突击能力的思路。
短句来源
     Basing on the Monte Carlo method and applying the pixel information in computer, an algorithm for simulating the problem of formation aircrafts bombing dropping to object is designed in the solution.
     求解过程中以蒙特卡洛法为基础,利用计算机像素知识,设计了像素扫描模拟编队飞机对目标投弹问题的算法。
短句来源
  “编队飞机”译为未确定词的双语例句
     Using ISAR Dynamic Cross Range 1-D Imaging to Resolve the Number of Aircraft in Formation Flight
     用ISAR横向动态一维像分辨编队飞机架数
短句来源
     The scheme of resolving the number of aircraft is given out.
     最后, 给出了编队飞机多目标架数分辨方案
短句来源
     Dempster-Shafer method is applied to identify four type of air targets. The result shows the rationality of these features and effectiveness of the models.
     根据建立的模型,采用D-S证据理论方法,对实测四类编队飞机目标回波数据进行了融合识别,试验结果验证特征描述的合理性,以及基于特征的统计模型的有效性。
短句来源
     Using the image description technique, a new approach to the problem of classifying air targets based on a non-coherent radar is proposed.
     结果表明,基于图像描述技术的架次判别方法,为解决常规非相参雷达编队飞机目标架次判别问题提供了一条新的途径。
短句来源
     It is difficult for common low-resolution radar to distinguish multiple planes flying in a raid cluster using traditional radar signal processing techniques.
     编队飞机由于间距很小 ,常规低分辨雷达无法直接从距离和方位上分辨架次 .
短句来源
  相似匹配句对
     Cable Arrangement in an Aircraft
     飞机电缆敷设
短句来源
     RESEARCH ON AIRCRAFT SUPPORTABILITY
     飞机保障性
短句来源
     The Problem of Formation Adjustment in Aircraft Federate Development
     飞机成员开发中编队调整问题的处理
短句来源
     Simulation Analysis of The Assaulting To Single Object of Formation Aircrafts by Pixel Method
     编队飞机突击单个目标的像素法仿真分析
短句来源
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The idea of ISAR dynamic cross range 1 D imaging is presented and using it to resolve the number of aircraft in formation flight is tried. The ways to resolve the number of quasi rigid and rigid multi target are studied respectively. An ISAR dynamic cross range 1 D imaging of two aircrafts is given out. The method can be used in narrow band coherent radar. The scheme of resolving the number of aircraft is given out.

提出了ISAR横向动态一维像的概念并研究将其用于分辨飞机编队架数。分别研究了近似刚性、非刚性多目标架数分辨方法, 给出了两架飞机编队外场回波数据横向动态一维像。用一维像分辨目标架数的方法可用于窄带相参雷达。最后, 给出了编队飞机多目标架数分辨方案

As the targets flying in groups may spread over several range of cells and their Doppler frequencies are time*.varying, a scheme of target number detection in groups on a conventional low*.resolution radar is proposed based on a time*.range*.Doppler image cube which is constructed by substituting a time*.frequency transform for the Fourier transform in the conventional range*.Doppler imaging. The image cube provides not only a clear range*.Doppler image with superior resolution at each time instant but also...

As the targets flying in groups may spread over several range of cells and their Doppler frequencies are time*.varying, a scheme of target number detection in groups on a conventional low*.resolution radar is proposed based on a time*.range*.Doppler image cube which is constructed by substituting a time*.frequency transform for the Fourier transform in the conventional range*.Doppler imaging. The image cube provides not only a clear range*.Doppler image with superior resolution at each time instant but also the time*.varying history of the images, hence we obtain a good solution to the problem of range spread and image blurring. The experimental results of actual target echoes demonstrate the validity of the scheme with successful detection of four targets flying in groups.\;

针对实际编队目标在距离上的分布特性和目标多普勒频率的变化规律 ,利用联合时频变换代替传统傅立叶变换 ,建立目标时间 -距离 -多普勒立体像 ,提出一种基于立体像的目标架次检测方法。该方法不仅能给出清晰的瞬时距离 -多普勒像 ,而且能反映目标距离 -多普勒像的时间演变特性 ,较好地解决了目标在距离上的分布和多普勒像的模糊。实测回波数据验证了该方法的有效性 ,成功地实现了 4架编队飞机目标的架次检测。

This paper considers the problem of feature extraction from air target echoes, several statistical models is established by analyzing the features; Dempster-Shafer method is applied to identify four type of air targets. The result shows the rationality of these features and effectiveness of the models.

本文从分析目标回波序列的动态特征出发,着重研究了这些动态特征的建模问题。根据建立的模型,采用D-S证据理论方法,对实测四类编队飞机目标回波数据进行了融合识别,试验结果验证特征描述的合理性,以及基于特征的统计模型的有效性。

 
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