螺旋天线

luó xuán tiān xiàn
  • spiral antenna
螺旋天线螺旋天线
  1. 自补型阿基米德平面螺旋天线的设计与分析

    Design and Analysis of Self-Compensated Archimedean Plane Spiral Antenna

  2. 一种新型的低剖面阿基米德螺旋天线

    A New Low Profile Archimedean Spiral Antenna

  3. 新型WLAN螺旋天线的设计

    A New Design of Helix Antenna for WLAN System

  4. 多臂井径成像测井技术计算曲线天线电流分布的一种新途径参数形式下的B样条有限元法Ⅱ:应用实例多臂螺旋天线的电流分布

    A New Numerical Technique for Calculating Current Distributions on Curved Wire Antennas B-Spline Finite Element Method in Parametric Form Part ⅱ: Application of Method-Current Distributions on Multiple-Arm Spiral Antennas

  5. 根据星载GPS接收天线的主要技术要求,给出了谐振式四臂螺旋天线用于星载GPS天线的设计思路与设计过程,并给出了最后的测试结果。

    According to the main technical requirements of GPS receiving antenna on satellite , the design and the test results for resonant quadrifilar helical antenna are given .

  6. 研究表明,双层悬空结构的圆形射频微电感不仅具有较大的电感量,而且其Q值也较高;平面螺旋天线的变形探讨

    It is found that both of the inductance and Q-factor of this inductor had higher values than those of traditional planar spiral inductors . Study on Deforming of Planar Spiral Antenna

  7. 以同轴波导馈电的双锥天线和自补偿阿基米德四臂螺旋天线为例讨论了多模式天线在MIMO技术中的应用。

    In this dissertation , two antennas , biconical multibeam antenna and self-complementary , archimedian , four-arm spiral antenna , are discussed to introduce the applications of multimode antennas in MIMO systems .

  8. 求阻抗矩阵Z时,利用螺旋天线的对称性和周期性,只需求出一小部分元素就可得到Z矩阵的其它元素的值。

    When calculating the impedance matrix Z , all the elements of the matrix can be obtained by only calculating a few elements with the application of the symmetric and periodic characteristics of the NMHA .

  9. 用基于电磁耦合法的VHF宽频带钳型电流传感器配合基于阿基米德螺旋天线的UHF传感器的方法研究了在线检测带有交叉互联线的XLPE电缆绝缘接头局部放电。

    In this paper , a method of PD on-line detection of XLPE cable insulating joints is developed , using two VHF clamp current transducers and an UHF sensor .

  10. 其次,本文对TEM喇叭天线、对数周期天线、双锥形天线和螺旋天线四种典型的超宽带天线进行了理论分析,总结并讨论超宽带天线的设计方法和手段。

    Secondly , in this paper , the four typical UWB antennas of TEM horn antenna , log-periodic antenna , biconical antenna and helical antenna are theoretically analyzed and the UWB antenna design methods are generalized and discussed .

  11. 论文讨论了UHF频段圆极化天线的设计方法,主要研究工作分为两个部分:1.研制了UHF频段圆极化十字交叉振子天线;2.设计了UHF频带宽波束平面阿基米德螺旋天线。

    The design method of the UHF-band circular polarization antennas is presented in this paper . It includes two parts in this thesis : 1 . UHF-band crossing dipoles circular polarized antennas are designed ; 2 .

  12. 2GHz~25GHz圆锥对数螺旋天线的设计与性能仿真

    The Design and Performance Emulation of 2GHz ~ 25GHz Conical Log - spiral Antenna

  13. 本文对基于螺旋天线原理的对讲机外置天线做了细致的研究,并使用HFSS软件对该天线进行了仿真优化设计。

    Hence , a stubby antennas of interphone , based on the theory of helical antenna and can operate at 420MHz ~ 460MHz , is simulated and optimum designed by using HFSS .

  14. 本文对超宽带平面螺旋天线的设计理论与实现方法进行了研究。同时应用UTD分析、计算了安装于机翼填角与垂尾顶部处的机载平面螺旋天线方向图。

    Analysis and design of ultra-wideband ( UWB ) plane spiral antenna are researched in this paper . he Uniform geometrical theory of diffract ton ( UTD ) and the Ray tracing methed .

  15. 最后,本文分析了环境因素对天线辐射的影响,应用天线和电磁场理论对天线的特性进行分析,设计一种倒F型天线和螺旋天线相结合的天线结构,并用HFSS软件和CST软件仿真。

    In the end , this article analyses the influence of environment on the antenna . Meanwhile , it also analyses characteristic of the antenna by using electromagnetic theory , and then designs a kind of inverted-F antenna . This antenna has been simulated in HFSS and CST .

  16. 用金属导电圆柱体建立了导弹的简化模型,利用几何绕射理论(GTD)分别分析计算了弹载单极子天线、惠更斯元面天线,微带螺旋天线和介质环加载圆锥喇叭天线的辐射方向图。

    The simplified model of the missile is built using conducting cylinder . The high frequency-Geometrical Theory of Diffraction ( GTD ) is used to analyze and calculate the pattern of monopole antenna , Huygens antenna , micro-strip-spiral antenna and horn antenna loading with dielectric .

  17. 轴射螺旋天线辐射场的一个富氏级数展开式

    A Fourier series expansion of radiation field for axial helical antenna

  18. 混合遗传算法优化设计宽带加载螺旋天线

    Design of broadband loaded helical antennas using a hybrid genetic algorithm

  19. 双臂圆锥对数螺旋天线的矩量法分析

    Analysis of the Conical Log istic - Spiral Antenna Using MM

  20. 曲线分段的矩量法分析阿基米德平面螺旋天线

    Analysis of Archimedean spiral antenna using moment method with curved segmentations

  21. 一种新型基于负折射电路的类螺旋天线结构

    A Novel Analogy-Helix Antenna Structure Based on Negative Refraction Circuit Mode

  22. 谐振式四臂螺旋天线的矩量法分析

    The moment method for analysis of resonant quadrifilar helical antennas

  23. 带后腔螺旋天线辐射场的计算

    The calculation of the radiation field of a spiral antenna with back-cavity

  24. 本文叙述了背射模螺旋天线的频率响应理论。

    A theory is presented for frequency responses of backfire helical antenna .

  25. 平面阿基米德螺旋天线的矩量法分析

    The moment method analysis of the plane Archimedean spiral antenna

  26. 一种平面等角螺旋天线及宽频带巴伦的研究

    Study of A Planar Equiangular Spiral Antenna and the Relevant Wideband Balun

  27. 快速计算法向模螺旋天线的电特性

    Fast computation of the electrical characteristics of the normal mode helical antenna

  28. 一种探地雷达平面螺旋天线的研究与开发

    Research and development of planar spiral antenna used in ground penetrating radar

  29. 平面等角螺旋天线阵列/树脂复合吸波材料

    The planar equiangular spiral antenna array / epoxy resin composites

  30. 螺旋天线宽带阻抗匹配技术的研究

    The study of broadband impedance matching technique for helical antenna