Then, we will analyse the pattern of antenna with radome.
然后，将对带天线罩的情况进行分析。
In this thesis, we reported a reconfigure antenna that is able to radiate different topologies of radiation pattern.
在这篇论文中，我们提出一种可动态辐射不同增益场型的天线系统。
Simulation results showed that the antenna array's directional pattern formed by this kind of fixed-point format LMS algorithm had high performance.
测试结果表明采用这种定点数制的算法所形成的天线阵方向图具有较好的性能。
The test of antenna pattern is a key activity in developing a low or ultra-low sidelobe antenna, it calls for positive involvement of structural designer in it.
波瓣测试是低副瓣、超低副瓣天线研制中不可或缺的一个重要环节，结构人员积极介入其中是必要而有益的。
Hence, it is a very unique wave pattern and requires a very special type of antenna to pick it up.
因此，它是一个很独特的波形而需要一个特别型号的天线去接收它。
A method of calculation of the correct factor K for antenna power pattern at eclipse is presented in this paper, and it's result is also discussed.
本文介绍了食时天线功率方向图改正因子K的计算方法，并对其结果进行了讨论。
Finally, the eff of the increase in the auxiliary antenna weight coefficients on the main antenna pattern is also discussed.
最后还讨论了由于辅助天线权系数的增大对主天线方向图的影响程度。
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。
A main mission of antenna pattern synthesis is to determine the array's excitation coefficients.
天线方向图综合的一项主要任务，是确定阵元的激励系数。
Computer simulations show that the pattern synthesis of antenna arrays can be carried out with fast convergence and excellent stability by the model, even for complex cases.
计算机仿真结果表明，与现有算法相比，该算法用于天线方向图综合具有收敛速度快、优化能力强、算法可靠等优势。
The aperture field distribution of the ring focus antenna is reviewed in view of the energy conservation law, and the simple formula for calculating its radiation pattern is deduced.
该文从能量守恒观点出发，讨论了副面为椭圆的环焦天线的口径场分布，并导出了计算其方向图的简单表达式。
The antenna radiation pattern and antenna coupling or isolation as well as near electric field strength are measured by using anechoic chamber as the test site of ship model prediction.
采用电波暗室作为船模预测的试验场地，进行天线方向图、天线耦合度(或隔离度)、近区场强等参数测试。
The pattern of an antenna in missile is calculated by using GTD method.
本文应用几何绕射理论（GTD）计算了弹载天线的辐射方向图。
The electric characteristic parameters of this novel sleeve antenna are calculated, including the input impedance, voltage standing wave ratio (VSWR), horizontal gain and radiation pattern.
研究了这种新型套筒天线的输入阻抗、电压驻波比（VSWR）、增益及辐射方向图等电特性。
This paper describes a new method of antenna reception pattern measurement for spaceborne SAR using encoding transmitters.
对利用多个编码发射机在轨测量星载SAR接收天线二维方向图的技术进行了研究。
There are many methods to measure the pattern of phased array antenna, such as the technique of plane scanning in near field, focusing method in Fresnel zone, general method in far field, etc.
阐述了用聚焦法在菲涅尔区测试相控阵天线的理论依据及实现方法，用实验结果对近远场方向图进行了比较。
Then based on this design, varactor diode is adopted in the reconfigurable antenna, and continuous alteration of antenna pattern and gain is achieved.
接着以此为基础，将变容二极管用于方向图可重构天线的设计，实现了天线方向图和增益的连续可调。
The pattern synthesis widely applies to the design of phased array antenna.
阵列天线方向国综合在相控阵天线设计中有着广泛的应用。
Inflight measurement of antenna pattern is a key technology of spaceborne SAR calibration.
天线方向图在轨测量是星载sar定标技术的关键部分。
Measuring system for antenna pattern was developed based on analysis of measurement principle.
在分析测量原理的基础上开发了天线方向图测量系统。
Using the moment method, the antenna and surface currents of aircraft are calculated. Finally, the radiation pattern of a D-type-no-man aircraft is induced.
用矩量法计算了飞机天线及其机身表面的电流分布，推导了飞机天线的辐射方向图。
Finally, the information process model of the low frequency UWB-SAR is given, and antenna pattern and the impulse response function of the system are discussed.
最后研究了低频uwb - SAR系统信息处理模型。利用该模型分析了天线方向图和系统的冲击响应函数。
This paper investigates the effect of reflector surface distortion on the antenna radiation pattern, and gives some reasonable criteria for reflector antenna structure design.
本文基于机电一体化的设计思想，研究了反射面变形对无线辐射特性的影响，给出了设计反射面无线结构的一些合理准则。
A diversity antenna system in a mobile unit which provides time, space and antenna pattern diversity to mitigate the effects of fading at a CDMA mobile unit.
一种在移动单元中提供时间、空间和天线图形分集以减弱CD MA移动单元处的衰落影响的分集天线系统。
On the base of the amplitude and phase distribution derivated from the synthesis procedure, the radiation pattern is synthesized and the feed system for the phased array antenna is designed.
在综合求解阵列天线幅相分布的基础上，分析计算了阵列天线的辐射特性，设计了相控阵的馈电网络。
Multilayer radome will exert a tremendous influence on low sidelobe antenna pattern. Integrated directivity analysis of antenna with radome will be helpful to airborne antenna optimization design.
多层介质天线罩对机载天线低副瓣性能有显著的影响，对带罩天线的方向性进行一体化分析有助于机载天线的优化设计。
The wide accumulating azimuth Angle is one of the main characteristics of low frequency UWB SAR, so the effect of the antenna pattern on the system performance cannot be neglected.
低频uwbSAR系统具有较大的方位向积累角，天线方向图非均匀性对系统性能的影响不能忽略。
The simulation indicated that the polarization axial ratio and antenna gain pattern of this antenna are good for "BD-1" signal and GPS signal.
设计的组合天线具有良好的电磁兼容性，仿真结果表明该天线对于接收“北斗”和GPS信号都具有较好的圆极化轴比和增益方向图。
Then introduced the theoretical basis of the antenna design and performance parameters: including the circuit parameters and radiation pattern.
接着介绍了天线设计的理论基础和性能参数：包括电路参数和辐射参数。
Then introduced the theoretical basis of the antenna design and performance parameters: including the circuit parameters and radiation pattern.
接着介绍了天线设计的理论基础和性能参数：包括电路参数和辐射参数。
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