天线的带宽的英文

• bandwidth of antenna

• "天线"英文翻译    antenna; aerial; antenna wir ...
• "的"英文翻译    4次方是 The fourth power of 2 i ...
• "带宽"英文翻译    tape width; strip width; tap ...
• "天线的频带宽度" 英文翻译 :    band width of antenna
• "反射膜的带宽" 英文翻译 :    width of the high reflectance zone
• "天线的" 英文翻译 :    antennal; antennary
• "天线天线的" 英文翻译 :    antenna
• "存储器系统的带宽" 英文翻译 :    memory system bandwidth
• "天线带宽" 英文翻译 :    antenna bandwidth
• "顶帽天线的" 英文翻译 :    top hat
• "天线的调谐" 英文翻译 :    antenna tuning
• "天线的极化" 英文翻译 :    antenna polarization
• "架空线天线天线的" 英文翻译 :    aerial
• "天线的方向性" 英文翻译 :    antenna directional characteristic
• "天线的渐消场" 英文翻译 :    antenna evanescent field
• "天线的择向性" 英文翻译 :    directivity of an antenna
• "有天线的机器" 英文翻译 :    radio and treo
• "【无线电】(天线的)下引线。" 英文翻译 :    downlead
• "带天线的振荡器" 英文翻译 :    antenna-mitter
• "空中的，航空的，天线的" 英文翻译 :    aerial
• "雷达天线的面积" 英文翻译 :    area of radar antenna
• "偶极子天线的摆动" 英文翻译 :    flutter
• "射频天线的概念" 英文翻译 :    identify and understand application of basic rf antenna concepts
• "天线的副反射器" 英文翻译 :    subreflector
• "天线的功率馈电" 英文翻译 :    power feed for antenna

• The result of this paper brings forward a new idea for improving the bandwidth of the slot array antenna
  本文的研究成果为展宽波导裂缝天线的带宽提供了一个新的思路。
• Usually the frequency bandwidth of microstrip patch antenna is relatively narrow . however , it can be effectively broadened with the employment of the micro - electro - mechanism systems technique to fabricate microstrip antenna with multilayer dielectric substrates and patch
  通常微带贴片天线的频带较窄，而利用微电子机械系统（ mems ）技术制作具有多层介质和贴片结构的微带天线，可以有效地扩展天线的带宽。
• In this paper , an micro - strip antenna based on novel electromagnetic ( photon ) structure is designed , numerical experiments show that such kind of structure can decrease the surface - wave caused by thick substrate , thus the bandwidth and gain of antenna are improved evidently
  本文设计了一种加入新型电磁(光子)晶体结构的微带天线，通过数值仿真，证明它消除了大量由厚介质带来的表面波效应，从而明显增加了天线的带宽和增益。
• A patch antenna with air holes in the substrate has been designed . the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna . it is shown that the surface waves are significiently suppressed , the frequency bandwidth is improved , the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )
  设计了一种基底钻周期圆孔结构的电磁(光子)晶体贴片天线，用fdtd方法并结合pml吸收边界条件对该天线进行了研究，结果表明本文所设计的基底钻孔型电磁晶体贴片天线取得了多方面的性能改善，与普通天线相比，基底中的表面波受到很大抑制，天线的带宽增加，远场方向图上天线的旁瓣和背瓣被明显削弱，向前辐射的增益由原来的12db增加到26db ，增加了14db ，比文献上报道的gonzalo等人的研究结果提高了4db 。
• The radiation pattern of the antenna is more rotationally symmetric , and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface . in conclusion , in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures . it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas
  该平面圆环结构软表面天线是在空气介质的皱褶圆环结构软表面天线的基础上改进得到，为了便于比较，我们首先研究了空气介质的皱褶圆环结构软表面天线，用fdtd方法并结合pml吸收边界条件对该天线的性能进行了研究，结果表明天线的带宽增加，天线的轴对称性得到了很大改善， e面和h面方向图的波束几乎重合，天线的旁瓣和背瓣受到很大的抑制。
• A patch antenna with etched holes on the ground plane is also studied . the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment . the results show that the surface waves are suppressed greatly , the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane
  全面地研究了地面腐蚀周期圆孔结构的电磁晶体贴片天线在基波频率处的性能，用fdtd方法并结合pml边界处理技术对该天线所取得的研究结果显示，本文设计的地面腐蚀型电磁晶体结构抑制了贴片天线中的表面波，增加了天线的带宽，并有效地削弱了旁瓣，使天线的e面方向图上110和260方向的两个旁瓣被削弱了10db 。