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.
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。
Spatial autocorrelation method; Phase velocity dispersion of Rayleigh wave; Circular array; Microtremor survey method.
空间自相关法;瑞雷波相速度频散;圆形排列;微震勘探法。
The liquid crystal phased array, discussed in this paper, is an important form of optical phase array technology.
本文中液晶相控阵即光学相控阵技术的一种重要形式。
Ferrite phase shifters are utilized widely in phased array radar.
铁氧体移相器在相控阵雷达中得到了广泛应用。
The characteristics of fiber loop have important effect on the performance of the phase locking array of fiber lasers based on a common fiber loop.
光纤环特性对基于公共光纤环的光纤激光器锁相阵列的性能具有重要影响。
This paper also discusses the evaluation of the phase character of detector array.
还讨论了探测器阵列的相位特性评价。
The requirements for the amplitude phase receiver for plane active phased array antenna real time measurement are discussed in this paper.
文章就平面有源相控阵天线实时检测中对幅相接收机性能的要求进行了讨论。
The macro command can complete the modeling, the phase correction and the amplitude weighting of all array elements within the requirements.
宏命令可以按照要求一次完成所有阵元的建模、相位修正和幅度加权。
The phase and amplitude weighting of the phased array acoustic logging transmitter can be controlled by the two kinds of exciting signal sources.
利用这两种信号源可以对相控线阵声波辐射器进行相位和幅度加权控制。
A holographic technique is investigated for amplitude and phase distributions in the aperture of a phased array antenna by using near field measurements.
研究了一种利用近场测量技术全息成像相控阵天线口径幅相的方法。
Through inductor optimization, the VCO has a low phase noise and a wide tuning range with switched capacitor array and NMOS varactor.
通过优化集成电感的设计,同时采用NMOS管和开关电容阵列作为可变电容,使该设计具有较低的相位噪声和较宽的调谐范围。
Because the side lobe of phase array antenna is on the high side, it will be reconnoitred and jammed easily by the electronic warfare system.
相控阵雷达由于阵列天线副瓣偏高容易被电子战系统进行副瓣侦察和干扰。
To intuitively understand the dynamic behavior of the array, a simplified phase continuum model was proposed and solved via Fourier series.
为了深入研究阵列的动力学行为,提出了一种简化的阵列相位连续模型并通过傅立叶级数法求得了解。
This paper analyzes the output SINR of adaptive array antenna in the presence of amplitude and phase errors.
以自适应阵列的输出信干噪比(SINR)为对象,研究了通道幅相不一致性对它的影响。
Then the pretreated samples were extracted with acetonitrile, further cleaned up by reverse solid phase dispersion, and analyzed by reversed phase HPLC with diode array detector (DAD).
韭菜样本用微波炉加热处理,使酶钝化消除含硫基质干扰,然后用乙腈提取、逆固相分散净化,用反相高效液相色谱-二极管阵列检测器检测。
With its narrow operating frequency scope and low measuring precision, traditional phase difference measuring system can 't satisfy the requirement of modern phase array technology.
传统的相位差测量系统,因其工作的频段窄,测量精度低,已不能满足现代相控阵技术的要求。
And the measured array pattern is given. Finally, the effects of the array tolerance, mismatch and phase errors on the array is also analyzed.
最后,对共形天线阵进行了误差分析,分析了阵元位置公差、阵元失配和馈电相位误差对天线阵辐射特性的影响。
The antenna array is an important department of phased array radar system. The phase accuracy of shifter is necessary to the radar′s measurement accurate.
相控阵雷达的天线阵面是整个雷达系统的重要组成部分,阵面中移相驱动器的移相精度是保证雷达系统测量精度的重要依据。
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.
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。
DOA estimation algorithm based on eigenvalue decomposition is very sensitive to phase error of array signal.
基于特征值分解的DOA估计算法对信号的相位误差非常敏感,因此有必要对阵元位置误差进行校正。
These results show that such phase distributions will cause the gain of synthetic array and the signal to ambiguity ratio of Doppler-delay response to be decreased.
计算表明,它不仅会使综合阵列增益降低,而且会使多普勒-时延响应的信号-模糊比下降。
For the eigen-based direction finding technique, array sensor gain and phase uncertainties degrade severely its performance.
基于阵列协方差矩阵特征分解的测向技术,在天线阵各通道特性不一致时,其性能会急剧下降。
Many formulae used to calculate fixed phase distribution for the array lens, configuration curve of the dielectric lens and aperture phase of a feed phased array are derived.
给出了计算阵列透镜配相、介质透镜外形曲线和平面相控阵天线孔径相位的若干计算公式。
Feeding error comprizes phase quantization error produced by digital phase shifter, array tolerance and the error produced by failure element.
馈电误差包括由数字移相器的使用引入的相位量化误差、阵列公差和失效单元引起的误差。
Ultrasonic phased array technique can help to achieve flexible, controllable synthesized ultrasound beam by exciting each element of an ultrasonic array transducer with independent phase delay.
超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制,获得灵活可控的合成波束。
Our video begins with the deployment phase, where the player is able to place an array of siege equipment among various fixed positions outside the castle, to prepare the assault.
我们的视频片段从部署阶段开始,玩家可以在城堡外的各个固定位置安放一系列的攻城道具以展开进攻。
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.
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。
The results of an actual X-band rectangular waveguide phase controlled antenna array are given.
本文给出X波段矩形波导相控阵天线的研制结果。
The present invention provides a new passivity synthetic aperture electro-optical imaging array phase real time delay system.
本发明提出一种新型的被动综合孔径电光成像阵列相位实时延迟系统。
The space equalization method (SEM) is put forward in this paper to eliminate the amplitude and phase errors among antennas caused by mechanical manufacturing errors and array edge effects.
提出空间均衡方法用来消除由天线的机械加工误差和阵面的边缘绕射引起阵元间的幅相误差。
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