利用这种控制码,波束指向精度提高了一个数量级。
The optimum phase control code for beam pointing increases accuracy of beam pointing obviously.
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.
空间光调制器的像素数和相位量化调制特性限制了其波束指向精度。
Steering accuracy is limited by the quantized phase modulation values and the number of phase pixels for spatial light modulators (SLMs).
然而多子阵平板天线阵的离散口径会造成天线波束指向频率响应的恶化。
However, the excursion of beam pointing versus frequency is deteriorated because of its dispersed aperture.
针对旁瓣电平、波束指向等指标分析了幅相误差对数字波束形成系统的影响。
This paper analyzes the effect of amplitude phase errors on sidelobe level and beam direction in digital beam forming system.
同时也兼顾到了天线姿态,波束指向的控制;雷达波门,脉冲重复频率控制;
It also discusses the antenna beam control, the radar pulse control, and the clutter-lock on the raw data stage, etc.
文章也给出了阵列单元或子阵设置数字延迟器后,扫描波束指向漂移改善的分析结果。
Final, improve of beam-pointing drift with digital delayer at elements or sub-arrays is given.
用X波段的实验模型测量了波束指向与频率的关系,测量结果与理论计算值符合得很好。
The experimental results at X-band for the radiation anglt agree well with the theory.
本文基于平均斜率与波束指向的关系,提出了一种基于相位面台阶平移的波束扫描方法。
In this letter, a beam steering approach based on horizontally moving phase steps is proposed.
本文讨论了一种关于微带天线阵的设计技术,这种技术可用于设计任意波束指向的梳形微带行波阵。
A design technique for microstrip arrays is discussed. The technique is applicable to comb travelling-wave microstrip arrays with any beam direction.
仿真结果表明,该方法可以有效减小天线波束指向漂移,满足卫星移动通信系统对天线波束指向精度的要求。
Simulation results show that the method can reduce the excursion of beam pointing effectively, and the requirement of beam pointing accuracy for SOTM can be satisfied.
传统的相控阵体制雷达都是采用全相干信号,通过控制各发射单元信号之间的相位使得雷达波束指向发生改变。
The phase array radar USES same signal, and controls the phase of each transmitter signal. So the direction of beam-form can change.
用边界元方法,给出了水声发射换能器共形阵各阵元的单元指向性以及基阵的自然波束指向性和束控波束指向性。
The radiation directivity of a complicated conformal array of underwater acoustic transducers is presented based on the boundary element method.
相控阵雷达波束控制系统的主要功能是实现天线波束指向的控制,此外,其自身还应具备脱机检测和联机监测功能。
Steering the beam direction is the main function of beam steering system of phased array radar, besides, outline-testing and online-monitoring can be performed by itself.
最初在通信领域人们通过改变阵元激励信号的相位达到改变天线阵方向图波束指向的目的,从而相控阵天线应运而生。
In communication fields wave orientation of antenna array can be changed by the phase of stimulus signal, which is called phased array.
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.
首先,简介主SAR卫星与伴随卫星编队所构成干涉测量系统的工作原理,当主SAR卫星施加偏航导引补偿多普勒频移时,为实现波束指向同步,伴随编队需进行构形与姿态的协同控制。
When SAR satellite compensates Doppler Shift with yaw steering, for beam pointing synchronization, formation maintenance and attitude control of concomitant satellite formation should be coordinated.
在导引头主波束内只有一个干扰源情况下,导引头给出的平均到达角指向干扰源真实到达角方向。
In the case of one jammer within the main beam, the average Angle of arrival given by the seeker points in the direction of the jammer.
波束制导系统使用一个目标跟踪装置,它的目的是保持天线视轴指向目标反射的中心。
Beam riding systems use a target tracker whose purpose is to maintain the antenna boresight pointing at the centre of the reflecting area of the target.
并且用MATLAB编写程序,计算了其幅度相位加权后的理想方向图。3、天线五个不同指向波束的形成。
And to write programs using MATLAB to calculate its amplitude and phase weighted ideal pattern. 3, the antenna beam pointing to the formation of five different.
风廓线雷达的波束有五个,分别指向不同方位,在使用中这五个波束快速变换。
Wind profiling radar beam has five, respectively, point to different directions in the use of rapid transformation in the five-beam.
采用子阵合成式宽带波束形成方法,改进常规滤波器设计原理,使其可以在规定的带宽范围内获得一致的基阵指向性。
By using the aperture synthetic wideband beamforming algorithm, the theory of designing the conventional filter is improved, and a wideband constant beamwidth is reached in the appointed bandwidth.
采用子阵合成式宽带波束形成方法,改进常规滤波器设计原理,使其可以在规定的带宽范围内获得一致的基阵指向性。
By using the aperture synthetic wideband beamforming algorithm, the theory of designing the conventional filter is improved, and a wideband constant beamwidth is reached in the appointed bandwidth.
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