The computed results show that the antenna radiation field is interfered severely by the rotating blades.
计算结果表明，旋转桨叶对直升机机载天线辐射场产生了显著的影响。
At least most of an antenna radiation plate (3) is protruded to the outside not to face a ground bottom board (4).
天线辐射板(3)向外伸出，使得它的至少主要部分不面对接地板(4)。
The solution is helpful to the further investigation of pulse antenna radiation and electromagnetic pulse scattering.
所得公式为进一步研究脉冲天线辐射、散射等问题提供了一种方法。
This invention is related to a micro-strip antenna, especially a coupling structure of a micro-strip antenna radiation unit and a filter.
本发明涉及微带天线，特别涉及微带天线辐射单元与滤波器的耦合结构。
Aimed at the phenomenon of the antenna radiation pattern distortion during the simulation, the paper studies and verifies their causes, and gives a conclusion.
针对在仿真过程中出现的天线辐射方向图变形的现象，文章研究并验证了其产生原因，并得出相关结论。
Many phenomena and problems in RFID application have something to do with radiation field, but research on antenna radiation field of RFID system is scarce at present.
RFID应用中的很多现象和问题都和辐射场有关，但是目前对于RFID系统天线辐射场的研究还不多。
In this paper, the general formulas of probe antenna radiation in an elliptic waveguide are given by means of dyadic Green's function and field transformation methods.
本文采用并矢格林函数和场量变换给出了椭圆波导中探针天线辐射的普遍公式。
In this paper, the antenna radiation features on finite constructional bodies is studied via GTD, and the calculated result of vertical antenna on cylinder is obtained.
本文应用几何绕射理论研究了有限结构体上天线的辐射特性，并给出了圆柱体上直立天线的计算结果。
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。
The theory of electromagnetic field and RFID technology are combined in this paper and some exploring work for research on RFID antenna radiation field and RFID application is done.
本文正是把电磁场理论和RFID技术结合，为RFID系统天线辐射场的研究和应用做了一些探索性的工作。
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。
And Wilson and Penzias discovered the cosmic microwave background radiation, physical evidence for the Big Bang, while fiddling with an antenna designed to catch radio waves bouncing off satellites.
威尔逊和彭齐亚斯捕捉人造卫星上反弹回来的无线电波的天线时不经意地发现了宇宙微波背景辐射，而这正是宇宙大爆炸的物理性证据。
For good reception, the length of an antenna needs to correspond with the wavelength of the radiation it is receiving.
为了很好地接受信号，天线的长度需要对应它接受的信号的波长。
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 wire on many headsets can act as an antenna, which can deliver a dose of electromagnetic radiation to your head.
许多耳机的线可以当做天线，将电磁辐射传播到你的头部。
In radiocommunications, the radiation in a lobe of a directional antenna.
在无线通信技术中，定向天线以某一波瓣辐射的电磁能。
A new broadband slot antenna with a fan-shaped microstrip feed is presented, and the return loss curve and radiation patterns of the antenna is simulated in this paper.
介绍了一种新型的采用扇形微带馈源的宽带缝隙天线，给出了反射损失曲线和辐射方向图。
The formula of radiation resistance of the antenna is derived.
导出了圆环天线的辐射电阻公式。
The definition of radiation performance of the antenna in conductive medium is given.
描述了导电媒质中天线辐射性能的定义。
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。
This is significant in improving the radiation performance of the single ridged wave-guide slot phased antenna.
这对于提高单脊波导缝隙相控阵天线的辐射性能具有重要意义。
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。
The transverse radiation phenomenon of the NRD guide slot antenna is deeply studied.
本文对NRD波导裂缝天线横向辐射现象进行了深入的研究。
The radiation characteristics of a new millimeter-wave omnidirectional circular rod antenna with double dielectric gratins are analyzed with the rigorous mode matching method.
采用严格的模匹配方法分析了新型双介质栅毫米波棒形全向天线的辐射特性。
To increase the radiation efficiency and broaden the operation bandwidth, an aperture-coupled microstrip antenna of high temperature superconductor with multi-layer substrates is designed.
为提高辐射效率和扩展工作带宽，对一种口径耦合馈电的多层介质高温超导微带天线进行了设计。
According to the specific characteristics of monopole antenna, feeding signal may be multi reflected at the terminals, which could seriously damage the radiation characteristics.
基本的单极子天线由于其本身的特性会在天线内部对馈入的信号进行多次反射，严重制约着它的辐射性能。
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；
Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.
应用此模型，并结合分层介质中的并矢格林函数，分析了贴片天线的辐射阻抗、空间波辐射效率等特性。
For the two operating frequencies of the proposed antenna, the same polarization planes and broadside radiation patterns are obtained.
该天线在两个频段有相同的极化平面和较宽的辐射波束。
In this paper, the parametric equation and radiation field formulas for a parabolic torus reflector antenna are given.
本文给出了抛物环面天线的参数方程和辐射场公式。
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