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。
Multi-beam antenna is a key technology in the satellite mobile communication system.
多波束天线技术是卫星移动通信系统中的关键技术之一。
The paper describes a kind of circular polarization feed, which is used for shaped beam antenna.
本文介绍了一种赋形波束天线用的圆极化馈源。
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。
Another advantage is, most obviously, that the multi-beam antenna looks at seven different points simultaneously.
另一个很明显的优势,多波束天线在同一时刻观察着七个不同的方向。
The multi-beam antenna which is one of the smart antenna possesses the advantages which the traditional antenna don't have.
多波束天线是智能天线的一种,具有传统天线所不具备的优越性。
When it is used as a reflector, it gives an alternative to parabolic cylinder reflector in application on fan-beam antenna.
由此而得到的平面反射器可作为抛物柱面反射器的替代物来构成扇形波束天线。
It is proved that the locations and the total number of the interference sources influence greatly the performance of the multi-beam antenna.
证明了干扰源的位置及数目对卫星多波束天线的性能有很大的影响。
Using a directive beam antenna and the Highband Networking Waveform (HNW), the radio can automatically create the entire network using a single frequency.
通过使用定向声波天线和高频网络波形(HNW),无线电可以采用单一频率自动创建整个网络。
Based on the principles that lateral offset-focus feed makes the antenna pattern deflect an angle, the multi-beam antenna can be used in passive imaging system.
本文首先分析了焦平面阵列馈源横向偏焦产生多波束的原理,并采用面电流法对偏焦抛物面天线方向图进行了编程计算。
This paper describes the test method of active multi-beam antenna pattern by using high precision 3-axis antenna test turntable and the test procedure of antenna 3d pattern.
论述了利用高精度三轴天线测试转台,测试有源多波束天线立体方向图的方法。
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。
The invention solves the problems of larger size and more complicated design of the multiple-wave beam antenna, thereby achieving the effects of compact structure and simple design.
通过本发明,解决了多波束天线体积较大且设计比较复杂的问题,进而达到了使多波束天线结构紧凑、设计简单的效果。
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。
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。
A sphere, in contrast, concentrates its beam to a line - which is why a "line feed" antenna was originally used at Arecibo.
球形的则不同,它会把波束汇聚到一条线上——这就是为什么阿雷西博先前使用的是“线反馈”天线。
We adopted Gaussian beam, ray tracing and vector diffraction integration together to analyze single beam spot-focusing lens antenna.
本文采用将高斯波束法,射线追迹和矢量衍射积分相结合的方法来分析单波束的点聚焦透镜天线。
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。
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。
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。
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。
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。
A shaped beam base station antenna is realized with the unequal spacing array using an optimization technique based on genetic algorithms.
本文利用遗传算法对不等间距阵列天线进行优化,实现了一种赋形波束基站天线。
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。
When phased array radar operates in wideband wide scan condition, the antenna beam is dispersed and thus the distance profile is broadened.
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。
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。
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。
It also discusses the antenna beam control, the radar pulse control, and the clutter-lock on the raw data stage, etc.
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.
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;
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