扫描精度是激光雷达液晶相控阵扫描组件的一个重要指标。
Thereby, the impact of the manufactural accuracy on the scanning accuracy must be emphasized for laser radar liquid crystal phased-array component.
本文在讨论相控阵有关理论的基础上，设计出了一种实验用的等效非规则光学相控阵扫描系统。
On the basis of the discussion of the optical phased array theory, the design of the equal irregular optical phased array system for experiment is presented.
对微带相控阵天线中扫描盲点出现的物理机制进行了深入的分析，并讨论了其对微带相控阵扫描特性的影响。
Physical mechanism of the scan blindness occurrence in microstrip phased array is analyzed deeply, and its influence on scanning performance of phased microstrip array is also discussed.
本文基于棱镜折射原理，提出一种用来放大相控阵天线扫描角的无源透镜。
A passive lens based on the prismatic refraction principle proposed to amplify the scan Angle of a phased array.
以线性调频信号为例，揭示窄带相控阵在大孔径宽扫描角情况下不能有效发射宽带高分辨信号的实质。
The essence of the fact that wideband signal can not be effectively transmitted using narrowband phased array in scenarios with large aperture and scan Angle is given.
相控阵雷达通过电的方式控制天线孔径面上各辐射单元的相位变化，以实现波束的快速扫描，使其具有灵活、变化快速、多功能等优点。
Phase Array Radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction.
功能强大的电扫描相控阵雷达在机载雷达的应用已日趋广泛。
The electrical scanning phased array radar is more powerful in function than the traditional mechanic scan radar, it has widely used in airborne radar.
所得结果表明，可以通过对激励的控制，实现阵列的宽角扫描能力，这对短波lpda相控阵的设计具有一定的指导意义。
The results obtained prove that wide Angle scanned arrays can be realized through controlling the excitations. And the results can be instructional on designing short wave phased LPDA arrays.
研究了数字移相器提供的量化相移对正六边形相控阵天线扫描方向图的影响。
This paper deals with the effect of the quantitative phase controlled by the digital phase shifter to the patterns of the hexagonal phased array antenna.
相控阵雷达天线在进行宽带宽角扫描时，天线波束会“色散”，使得到的距离像展宽，从而降低了系统分辨率。
When phased array radar operates in wideband wide scan condition, the antenna beam is dispersed and thus the distance profile is broadened.
揭示了平面相控阵天线宽带工作时，两维扫描波束指向漂移的规律。
The law of 2d scanning beam-pointing drift wideband working plane phased array is revealed in this paper.
传统的机械扫描雷达由于受其扫描速度的限制，在机载雷达的应用中已逐步被功能强大的电扫描相控阵雷达所取代。
The conventional mechanical scanning radar is gradually replaced by powerful electric scanning phased array radar in the application as an airborne radar due to its limited scanning speed.
由于孔径效应和孔径渡越时间的限制，传统的相控阵雷达难以在大扫描角下实现大瞬时带宽。
Due to the restriction of aperture effect and the aperture traverse delay, it is difficult for a conventional phased array radar to get wide instantaneous bandwidth under wide scan scope.
相控阵雷达波束控制系统的主要功能是实现对天线扫描波束的控制，在天线阵面的研制过程中，需要对波控系统及TR单元性能进行测试。
Steering the beam direction is the main function of beam steering system of phased array radar, test the beam steering system and TR unit performance is signify during the development of the antenna.
当这种透镜与平面相控阵天线组合使用时，则可使单个平面相控阵天线波束获得半球空域的扫描能力。
When used in combination with a planar phase array antenna, the lens makes it possible for the single planar phased array antenna to achieve the capability of beam scanning for hemispherical coverage.
因此相控阵列能够更加灵活、准确而快速地实现多样化的焦点模式和焦点扫描控制，是非常理想的声束聚焦手段。
So phased array is an ideal applicator that can congregate ultrasound beam and shift the focus more flexibly, rapidly and accurately.
最后，对相控阵天线的波束展宽和扫描问题进行了研究。
Finally, the beam broadening and scanning problems for the phased array antenna are studied.
本文根据方位扫描X波段相控阵天线设计的需求，研究了具有宽带特性的串联馈电微带天线阵。
In this thesis, based on the requirement of azimuth scanning X-band phased array antenna design, micro-strip antenna array that has wideband characteristic is studied.
而相控阵天线中，由于单元间的互耦效应将引起扫描盲点，影响扫描范围。
Mutual coupling between elements can also cause scanning blindness spots and affect the scanning range in phased arrays.
相控阵天线通过它可以实现自适应波束、低旁瓣波束，并通过对移相器、衰减器的控制实现波束扫描。
Equipted with it, phased array radar could have Adaptive beam, lower Side-lobe beam and beam scanning.
在此基础上，对一维相控阵天线的波束展宽和扫描问题进行了研究。
On this basis, the problem for the beam broadening and scanning of the phased array antenna is studied.
但是，基于移相器的普通相控阵天线在进行宽带宽角扫描时，由于渡越时间和孔径效应的影响，使信号的瞬时带宽受限。
However, the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect.
激光相控阵雷达是一种结合激光雷达与相控阵技术的新体制雷达，采用电控电极电压实现光束控制和扫描。
Laser phased array radar is new system radar combining with laser radar and phased array technology. It controls the beam by electrically addressing electrodes.
文中从阵列天线的基本原理出发，介绍了相控阵天线的带宽特性，从阵列和阵元两个方面分析了改善相控阵带宽及扫描角的技术。
Based on the property of bandwidth, the technology for optimizing wideband through synthesis of antenna array and design of radiator is discussed.
当这种透镜与平面相控阵天线组合使用时，则可使单个平面相控阵天线波束获得半球空域的扫描能力。
When used in combination with a planar phase array antenna, the lens makes it possible for the single planar p...
最后通过计算机模拟计算，得出扫描点的对比度曲线以及相控阵调制单元上所加的补偿电压。
Also, computer simulation is conducted to work out the contrast curve of scanning spots and the offset voltage across the modulation unit of the optical phased array.
所设计的一维扫描相控阵天线在方位面具有窄波束、低副瓣特性，在俯仰面实现和差波束。
The one-dimensional phased array antenna discussed in this paper needs to radiate a narrow beamwidth and low sidelobe pattern on the horizontal, a sum and difference beam on the vertical.
数字相控阵雷达宽带宽角扫描存在波束指向偏差和孔径渡越问题，导致信噪比降低，脉压主瓣展宽，距离分辨率下降。
The wide-band digital array radar (WDAR), which accomplishes the transform between digital data and analog signal in the radar array, is the trend of the development of the phased array rader.
数字相控阵雷达宽带宽角扫描存在波束指向偏差和孔径渡越问题，导致信噪比降低，脉压主瓣展宽，距离分辨率下降。
The wide-band digital array radar (WDAR), which accomplishes the transform between digital data and analog signal in the radar array, is the trend of the development of the phased array rader.
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