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。
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.
电-磁振子组合型UWB天线集电振子和磁振子于一身，具有尺寸小、辐射效率高的特点。
The electric-magnetic vibrator combined UWB antenna (EMV-UWB) that constructed of electric and magnetic vibrator, has the characters of small size and high radiated efficiency.
本文讨论了矩形脉冲激励的对称驻波天线的能量方向图、总辐射能量、辐射效率和辐射电阻等问题。
The energy pattern, total radiation energy, radiation efficiency and radiation resistance of standing-wave dipole excited by rectangular pulse are discussed.
由于纳米管内电子运动固有的弹道输运效应，使得纳米管阵列天线具有辐射效率高的优点。
The intrinsic ballistic transportation of electrons in nano-tube makes it possible for antennas consisting of nano-tube array to radiate with higher efficiency.
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。
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.
阵列天线辐射单元采用空气介质的微带贴片天线，辐射效率高；阵列天线的馈线网络采用低损耗的空气带状线形式，降低了馈线损耗。
The radiating element of array antenna is air dielectric microstrip patch antenna, which has high efficiency, and the feed network is low loss air strip, which can reduce the loss of the feed line.
数值结果表明，金属栅厚度对漏波天线波求方向影响较小，但对漏波天线的辐射效率和波束宽度有明显的影响。
Numerical results show that the effect of metallization thickness is smaller on the direction of main beam and very noticeable on the beamwidth and aperture efficiency.
数值结果表明，金属栅厚度对漏波天线波求方向影响较小，但对漏波天线的辐射效率和波束宽度有明显的影响。
Numerical results show that the effect of metallization thickness is smaller on the direction of main beam and very noticeable on the beamwidth and aperture efficiency.
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