How it works: a 2-metre antenna and mobile generator produce and aim a beam of 95-gigahertz (3-millimetre) radiation.
工作原理：一个两米长的天线和移动发电器制造95束千兆赫(3毫米)的辐射对准目标。
The beam of the antenna gets wider as the aircraft get farther from the antenna, thus making the measured position information less accurate.
飞行器离雷达天线越远，天线电波的波长越宽如此以来使测量出的位置信息误差越大。
The beam scan with variable linear polarization directions of antenna arrays using MM/C transmit-receive (T/R) modules is explored.
研究了由单片微波集成收发组件所构成天线阵的可变极化扫描问题。
In this paper, principle, design and test result of MMW wide beam antenna on flight vehicle is introduced.
本文介绍一种用于飞行器上的毫米波宽波束天线的原理、设计方法和实验结果。
During radar tracking target in low elevation, the measuring error of tracked target was removed or reduced with array antenna beam forming technique that can reduce the multi-path error.
当雷达在低仰角跟踪时，降低多径误差的阵列天线波束的形成技术，可消除或降低低仰角跟踪目标时的测量误差。
To enhance the tracking technology of satellitic antenna controller, the article introduces a improving method based on electronic beam forming.
为改进卫星天线控制器的跟踪技术，提出一种基于电子波束成形的跟踪子系统改进方法。
The direction of Radar Target is got by antenna beam scanning.
雷达测定目标的方向是利用天线波束的扫描来实现的。
Smart antenna using digital signal process technique, produces space directional beam, and utilizes space filter ability for improving the performance of CDMA systems.
智能天线利用数字信号处理技术，产生空间定向波束，利用其空间滤波特性可以提高CD MA系统的性能。
The approach for enlargement of SAR patch mapping area by antenna beam scan is investigated, which serves for moderate fine-resolution mapping of medium-sized terrain patches.
研究通过天线波束扫描扩大SAR区域成像范围的方法，以适应较大区域中等分辨率成像的要求。
The inspection method of cosecant beam antenna is discussed in depth in this paper.
对余割波束天线的检测方法进行了较深入的探讨。
Since cannonball travels in the antenna beam of the radar, its echo signal contains Doppler information.
炮弹在雷达天线波束里飞行，回波信号包含多普勒信息。
The phased array antenna is a discrete array, the beam of which is steered by the digital shifter.
相控阵天线是一离散阵，它的波束控制采用了数字移相器。
This thesis places emphasis on one of the key techniques of smart antenna - adaptive digital beam forming (DBF) algorithm and its applications in the DS-CDMA mobile telecommunications systems.
本文重点研究智能天线系统的关键技术之一——自适应数字波束形成(DBF)算法在DS - CD MA移动通信系统中的应用。
Based on Gaussian beam theory and the antenna parameters, the size of the reflectors of the beam waveguide, the distance between them and their relative locations can be determined.
以高斯波束理论为基础，根据天线基本参数要求，分析确定出波束波导系统中各反射面尺寸、反射面彼此间距及各部件相对位置。
Its antenna beam scanning entirely electronically controlled beam scanning speed is not only high, but the number of beams, movement pattern can be arbitrarily controlled.
其天线波束的扫描完全用电子的方式控制，不但波束的扫描速度极高，而且波束的数目、运动方式都可以随意的控制。
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。
As core of the smart antenna, beam-forming algorithms have become a hot topic in the study of mobile communication.
波束形成算法作为智能天线的核心，近年来成为移动通信领域中的一个研究热点。
The adaptive nulling and interference localization based on beam-space of satellite planar array multi-beam antenna are investigated and some simulation results are also presented.
研究了基于卫星平面阵列多波束天线波束空间的自适应调零和干扰源定位技术并给出了仿真结果。
Thus, people pay their attention to the realization of the switched-beam smart antenna gradually.
因此，人们将注意力逐渐转移到了波束切换智能天线的实现上来。
The project of digital beam forming in antenna arrays was suggested based on DSP.
提出了一种利用DSP实现基于阵列天线的数字波束形成的方案，对数字波束形成原理作了简单介绍。
Main task of this dissertation is designing a multi-beam lens antenna to both improve the resolution and reduce the imaging time of the passive millimeter-wave imaging system.
本文的主要任务是针对提高毫米波无源成像系统的分辨率和减小成像时间而设计一个多波束透镜天线。
In this paper, the equations for calculation of the radiation performances on high efficiency double reflector antenna fed by beam waveguide are derived.
本文导出了地面站常用的改进型波束波导馈电高效率双镜天线的辐射特性的计算式。
Although the planar spiral antenna has characteristics of wide bandwidth, small volume, wide main beam and easy to be mounted, it still can not meet the needs of practice usages.
平面螺旋天线虽然具有频带宽、体积小、主瓣宽、易封装等特点，但是在具体应用中常常不能适应实际的需要。
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.
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。
The radiation patterns of the antenna are analyzed, and the formulas to estimate the wave beam parameters and to design the antenna are provided.
详细分析了天线的辐射特性，给出了天线辐射波束相关参数的估算公式和天线设计公式；
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.
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。
Angular resolution of a real aperture radar is limited by the beam width of the radar antenna.
一般非综合孔径雷达的方位分辨率受天线波束宽度的限制。
Based on the study, tri-beam operation of the antenna is implemented .
并在此基础上实现了天线的三波束工作。
Based on the study, tri-beam operation of the antenna is implemented .
并在此基础上实现了天线的三波束工作。
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