helical antenna

英 [ˈhelɪkl ænˈtenə] 美 [ˈhelɪkl ænˈtenə]

网络  螺旋天线; 螺旋性天线; 螺旋形天线; 螺旋天線; 螺旋型天线

电力



双语例句

  1. The utility model provides a radio-frequency identification super-high frequency helical antenna which relates to a radio-frequency identification system.
    射频识别超高频螺旋天线涉及一种射频识别系统。
  2. The content of the graduation paper is to design and simulate the helical antenna.
    该毕业设计的内容主要是对螺旋天线具体设计,并进行仿真。
  3. Novel broadband circular-polarized dielectric hemispherical helical antenna
    一种宽带圆极化介质半球面螺旋天线
  4. Study on the power distribution of backfire helical antenna and Its Applications
    背射模螺旋天线方向性研究及其应用
  5. Analysis on Bifilar Hemispherical Helical Antenna Array Based on MOM
    基于矩量法的双臂半球面螺旋天线阵列分析
  6. A fast algorithm is investigated for calculating the electric characteristics of a helical antenna, and the broadband miniature helical antenna is designed by Genetic Algorithm ( GA).
    研究了一种快速计算螺旋天线电特性的新方法,并结合遗传算法对天线进行了宽带、小型化设计。
  7. Compared with the traditional microwave applicators, the exposed inner conductor of this applicator is replaced by a cone helical antenna with the reflect shade.
    这种辐射器与常规微波辐射器不同的是,其前部的内导体被一个带有反射罩的锥形螺旋天线所替代。
  8. The Near-Field Analysis of Thin Helical Antenna
    细螺旋天线的近场分析
  9. This paper chooses a normal mode helical antenna to replace the short dipole antenna to improve efficiency.
    本文采用法向模螺旋天线代替以前采用的短偶极子天线以提高效率。
  10. Theory of the Frequency Responses of Backfire Helical Antenna
    背射模螺旋天线频率响应理论
  11. Research on Normal Mode Helical Antenna
    基模螺旋天线的研究
  12. The characteristics of magnetic field and magnetic flux distribution and scattering field in the coaxial double-deck cylindrical magnetic substance is studied using the theory of electromagnetic field, and suggestions are made to improve the characteristics of normal helical antenna using theoretical analysis and numerical calculation.
    根据电磁场理论,利用理论解析和数值计算的方法,分析了平面波入射时双层同轴圆柱形磁性体中的磁场、磁通分布及其散射场的特性,提出了改善法向模螺旋天线的建议。
  13. A Fourier series expansion of radiation field for axial helical antenna
    轴射螺旋天线辐射场的一个富氏级数展开式
  14. Compared with the traditional spherical and hemispherical helical antenna, this novel antenna has better radiation characteristics, which show that it is of great potential value in the field of satellite communications.
    与传统球面螺旋天线、半球面螺旋天线相比,该天线具有更加良好的辐射特性,在卫星通信领域有着巨大的应用前景。
  15. Numerical Simulation on Electromagnetic Radiation of Helical Antenna Handset Used in Normal Manner
    自然操作方式下螺旋天线手机电磁辐射的数值模拟
  16. 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.
    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。
  17. A theory is presented for frequency responses of backfire helical antenna.
    本文叙述了背射模螺旋天线的频率响应理论。
  18. The study of broadband impedance matching technique for helical antenna
    螺旋天线宽带阻抗匹配技术的研究
  19. This paper has made a theoretical analysis of active receiving antenna formed by combining negative impedance converting circuit with small cone helical antenna, and pointed out the stable working conditions for such an active antenna.
    本文对用负阻抗变换电路同小圆锥螺旋天线相结合,构成的有源接收天线进行了理论分析,并给出了该有源天线稳定工作的条件。
  20. Fast analysis and broadband design of the helical antenna
    螺旋天线的快速分析及宽带化设计
  21. 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.
    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。
  22. Study on Spherical Helical Antenna
    球面螺旋天线的研究
  23. Fast computation of the electrical characteristics of the normal mode helical antenna
    快速计算法向模螺旋天线的电特性
  24. The analysis results indicate that the impedance and pattern bandwidths of the one-arm hemispherical helical antenna are relatively narrow, and its gain varies acutely in the whole band.
    结果表明,单臂半球面螺旋天线阻抗带宽窄,频带内增益起伏较大,天线的方向图带宽较窄;
  25. In this paper, a new spherical helical antenna which has relatively small volume and high gain is studied. The radiation characteristics and input impedance at two different modes are presented.
    研究了一种新型的球面螺旋天线,与传统螺旋天线相比,具有结构紧凑、尺寸小、增益高的特点,分析了两种不同模式下球面螺旋天线的辐射特性和输入阻抗;
  26. The two-arm hemispherical helical antenna has very wide impedance and pattern bandwidth, and its gain in the whole band is larger and wave mildly, which show that it is of great application value in the field of martial satellite communications.
    双臂半球面螺旋天线具有较宽的阻抗带宽和方向图带宽,工作频带内增益变化不大,该天线在军事卫星通信领域具有广阔的应用前景。
  27. 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.
    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。
  28. The complex helical antenna with excellent electrical properties is of great significance in the field of communication.
    复合螺旋天线具有优良的电气性能,在相关领域得到了广泛的应用。
  29. The helicone which is composed of a helical antenna and a conical horn can reduce the sidelobe of the helical antenna. The mutual coupling between two helicones is less than that between two helical antennas when they used as units of an array antenna.
    有研究指出,螺旋天线和圆锥喇叭相结合构成的螺旋-圆锥喇叭天线,可以有效地降低螺旋天线的副瓣电平,该天线在用作阵列天线的单元时,能够有效减小互耦。
  30. The genetic algorithms and the finite element method are used to optimize the design of the broadband loaded small normal mode helical antenna.
    采用遗传算法和有限元法相结合的方法来优化设计宽带小型化加载法向模螺旋天线。