With the widespread availability in space-borne radar system and airborne radar system of the phase-array radar, the research on which became an active demand.
并且由于相控阵雷达在星载和机载系统中得到日益广泛的应用，使得这种研究显得尤为必要和迫切。
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。
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。
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。
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。
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。
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 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 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。
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。
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 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 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。
PV array was also conceived but postponed for a later phase, due to budgetary considerations.
光伏发电设备也进行了构思，但是由于预算原因我们推迟到后期进行安装。
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。
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。
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。
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。
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。
In order to improve the test efficiency of phased array antennas, phase-shift measurement method is adopted in this paper.
为了提高相控阵天线的检测效率，本文采用了相控阵天线换相测量法。
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。
Ferrite phase shifter is one of the key devices in phase array antenna system, while its temperature property significantly affects the system performance.
铁氧体移相器是相控阵天线系统的关键器件之一，而它的温度特性对系统的性能影响较大。
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。
Based on flow imaging technique, a new method for the discrete phase concentration measurement of two phase flow using capacitance array sensor is proposed.
本文提出了一种基于流动成像技术测量两相流离散相浓度的新方法。该法以阵列式电容传感器为信息获取手段。
Modern phase array systems require a large number of expensive phaseshifters.
现代相控阵当中需要大量昂贵的移相器。
This thesis has been done with the scientific research projects. The mainly work is research on the relationship between structure parameters and the electric performance for phase array antenna.
论文结合科研项目进行研究，主要工作是对相控阵天线结构参数与电性能的影响机理进行探讨。
A method of phase array radar anti-jamming effectiveness evaluation is discussed which is based on radar resource consumed criterion.
研究了一种以雷达资源消耗为标准的相控阵雷达抗干扰效能评估方法。
Microwave phase shifter is a device that can change the phase of electromagnetic wave. It is widely used in the phase array radar and microwave communications systems.
微波移相器是能改变电磁波相位的器件，广泛应用在相控阵雷达和微波通信系统中。
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。
应用推荐