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雷达阵列
相关语句
  radar array
    The Latest Development in Radar Array Signal Processing Techniques
    雷达阵列信号处理技术的新发展(一)
短句来源
    Geometrical Error Coupling Relationship Analysis and Design Study of the Radar Array Aerial
    雷达阵列天线几何误差耦合关系分析与设计研究
短句来源
    Finite Element Analysis and Experiment Study of the Radar Array Aerial Structure
    雷达阵列天线结构的有限元分析与实验研究
短句来源
    With the Visual C++ language and the ADO, MS-chart technology, making use of mathematical representation of planar surface based on variation of DOF, this paper developed specific program module according to the tolerance design of the Radar Array Antenna, and described the direct graphics result.
    本文利用Visual C++语言,应用ADO及MS-chart技术,结合基于数学定义和自由度变动的公差数学模型建模,开发了针对于雷达阵列天线误差分析与设计的自主专用程序模块,结论得到直观的图形显示。
短句来源
    A new spaceborne radar system was proposed in the middle of the ninety's, which is the constellation composed by several small satellites (it was also called as distributed small satellite radar array).
    90年代中期人们提出了一种新的天基雷达体制,即利用编队飞行的多颗小卫星构成超稀疏雷达阵列(也称之为星座或分布式小卫星雷达阵列)。
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  “雷达阵列”译为未确定词的双语例句
    Array Signal Adaptive Spacial Processing of Phased Array Radar
    相控阵雷达阵列信号的空域自适应处理
短句来源
    Element position error,mutual coupling between elements,and the difference in frequency responses of receiver channels influence directly the performance of array radar signal processing.
    阵元位置误差、阵元间互耦的影响、接收机通道的频率响应的差异都直接影响着雷达阵列信号处理的性能。
短句来源
    Approach to array error estimation for distributed micro-satellite SAR systems
    分布式小卫星雷达阵列误差估计与校正方法
短句来源
    The research of this dissertation focuses on two aspects: the microstrip array antenna of 24GHz and microstrip array antenna with EBG structures. The main context of this dissertation includes: 1. The situation of automobile collision warning radar (CWR) is introduced, especially pictured the history of array antenna of CWR.
    本文的研究围绕24GHz 微带阵列天线和电磁带隙结构两个方面,主要的研究内容如下: 1、简要介绍了防撞雷达阵列天线的研究概况和现状;
短句来源
    The paper discusses the array signal adaptive spacial processing of phased array radar. Much work is done mainly in two aspects—one is the array calibration and the other is the blind sources separation and blind beamforming.
    本文主要讨论了相控阵雷达阵列信号的空域自适应处理,着重对阵列校准和盲信号分离与盲波束形成两个方向进行了研究。
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  radar array
A computerized technique including time sampling and phase adjustment is developed for wideband radar array imaging.
      
All I had to do was cut the SD radar array from the kit part and attach it to the mast.
      
As a result, the 2D synthetic aperture function of a sparse radar array can provide direct insight into the behavior of this sensor.
      
Figure 2 shows a notional view of a UWB radar array consisting of a ring of conformal antenna circling the turret of a main battle tank.
      
For example, the radar array be asked to provide more detail so the resolution of the simulation can be increased.
      
更多          
  radar arrays
Additional applications include high-power transistors for radar arrays, quantum mechani cal devices, and nanoscale mechanical actuators.
      
In the first part of this section, expressions are derived that define the resolution of sparse radar arrays.
      
On the MkIII models this will also operate the swing-out radar arrays.
      
Remote monitoring by weather satellites and ground based radar arrays have further enhanced the predictability at regional level.
      
The compromise between resolution and sample density is a primary issue for processing of sparse radar arrays.
      
更多          
  radar arrays
Additional applications include high-power transistors for radar arrays, quantum mechani cal devices, and nanoscale mechanical actuators.
      
In the first part of this section, expressions are derived that define the resolution of sparse radar arrays.
      
On the MkIII models this will also operate the swing-out radar arrays.
      
Remote monitoring by weather satellites and ground based radar arrays have further enhanced the predictability at regional level.
      
The compromise between resolution and sample density is a primary issue for processing of sparse radar arrays.
      
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In recent years,there has been a great progress in the field of array signal processing. As a primary part of the field,there are quite a few new concepts and methods in radar array signal processing. Some of them have been employed in the practical applications, but most of them are still in developing situation,and they may bring us bright future in the field. This lecture diseusses the main parts of the results in these years in the field of radar array signal processing. The lecture is divided into eight...

In recent years,there has been a great progress in the field of array signal processing. As a primary part of the field,there are quite a few new concepts and methods in radar array signal processing. Some of them have been employed in the practical applications, but most of them are still in developing situation,and they may bring us bright future in the field. This lecture diseusses the main parts of the results in these years in the field of radar array signal processing. The lecture is divided into eight parts. Part one is the introduction, it introduces the development history of radar array signal processing. Part two is about the background knowl- edge of the contents,some linear algebraic theories used in the lecture and the mathematical models in array signal are introduced. Part three is about filtering processing techniques of array signals. The Fourier processing techniques and maximum entropy spectral estimation etc. are included in this part. Part four is about adaptive array signal puocessing techniques. The primary principle and algorithms of the field and the development of modern adaptive arrays are discussed. In part five,we discuss the signal subspace processing techrdques of array signals. Some statistical performance of eigenstrueture approaches are discussed in part six. Part seven is about the maximum likelihood estimation (MLE)of direction of arrival(DOA)for array signal. In part eight, some applications of array signal processing in modern radar system are finally scussed.

从本期开始,我们将陆续刊登罗景青同志和保铮教授的讲座“雷达阵列信号处理技术的新发展”。讲座共分八讲,主要讲述阵列信号处理技术的发展历史、基本原理及其在现代雷达中的应用情况等,预计在年内登完。保铮教授系学部委员,在百忙中为本刊开设讲座,为此,我们表示衷心的感谢。

Some characteristics of acoustic array antennas constructed with different horns aretested. The measured antenna directivity patterns are compared with theoreticalpatterns.The effects of wave length , distance between horns,the number of horns andthe air temperature on directivity patterns are discussed.The measured directivitypattern of a 4×4 array basically agrees with the theoretical curve. The comparison ofdifferent types of horns shows that the piezoelectric ceramic tweeter has the bestconversion efficeincy,...

Some characteristics of acoustic array antennas constructed with different horns aretested. The measured antenna directivity patterns are compared with theoreticalpatterns.The effects of wave length , distance between horns,the number of horns andthe air temperature on directivity patterns are discussed.The measured directivitypattern of a 4×4 array basically agrees with the theoretical curve. The comparison ofdifferent types of horns shows that the piezoelectric ceramic tweeter has the bestconversion efficeincy, which is three times of the common horn′s. The reflecting hornYH 5-4 has a good ratio of performance to price,and is suitable for phased array antennamanufacture.

文章计算并测试了声雷达阵列式天线的波瓣特性,讨论了天线波瓣特性与波长、阵列喇叭数量、喇叭间距以及气温的关系。结果表明,实测的4×4阵列的波瓣特性和理论计算值基本相符.比较了用不同喇叭作的天线的性能,指出压电陶瓷高音喇叭的声电转换效率最高,1600Hz时是一般纸盆扬声器的3倍,是最佳换能器件;国产号筒式高音喇叭YH5-4性能价格比较好,适于声天线的制作。

In this paper,we introduce a design of printed dipole antenna element used in radar array antenna,using computer simulation. The prototype design is derived from the work that Brain Edward and Daniel Rees did. Here,we perform simulation of the antenna element through using Ansoft HFSS,and compare the simulating results with experimental ones.

介绍了用于雷达阵列天线的印制偶极子天线单元的计算机仿真设计。该单元设计源自Brain Edward和Daniel Rees所做的工作。本文利用Ansoft HFSS软件对该单元进行了仿真,然后将仿真结果与测量结果进行了比较。

 
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