monopole antenna 中文意思是什麼

monopole antenna 解釋
單極天線
  • monopole : 單極子
  • antenna : n. （pl. -nae , antennas）1. 【動物；動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  1. An omnidirectional ultra - wideband monopole antenna, with the characteristics of simple structure, easy fabrication and low cost, mainly comprises a ground plane, a u - shaped radiating member above the ground plane and a feeding member

    一種可提供超寬頻操作頻帶之全向性超寬頻單極天線，其具有結構簡單、製作簡單以及成本低廉的特性。
  2. Resonant characteristics of a trapezoid meander line monopole antenna

    梯形彎折線單極子天線的諧振特性
  3. The circular monopole antenna is a kind of miniaturized and easy - feed ultra - wideband antenna

    本課題所研究的圓盤單極天線是一種小型化、饋電簡單的超寬帶天線。
  4. In this thesis, the concept of " fractal " and the recursive algorithm of fractal structure are depicted. the wavelength - independent character of archimedean spiral antenna and the space filled property of koch monopole are analyzed by the method of moment

    本文介紹了分形的基本概念和分形結構的迭代演算法，採用矩量法分析了阿基米德螺旋天線的頻率無關特性和koch單極天線的空間填充特性。
  5. The research of a novel wideband monopole antenna

    寬帶振子天線的研究
  6. The circular monopole ultra - wideband antenna has not only the extremely wide band in frequency domain, but also stable phase center, which makes the antenna radiate and receive the short pulse signals without any distortion, and suitable for various ultra - wideband communication systems or the single antenna of other multi - frequency operating communication systems

    這種天線不僅具有極寬的阻抗帶寬，還擁有穩定的相位中心。這使得圓盤單極超寬帶天線可以不失真地收發時域短脈沖信號。所以該天線不僅適用於超寬帶通信中，還能夠作為復雜多頻工作系統的單一收發天線。
  7. Type plane wave incidence and the input admittance of cylindrical monopole antenna, it is testified that the proposed method is more accurate than the conventional square contour integration method

    型平面波的散射電流以及單極細圓柱形天線的輸入導納，對所提出的方法作了驗證，證明了該方法比常用的矩形積分迴路法對細導線上電流的模擬要精確得多。
  8. Some novel electrically small antennas and wide band antennas such as hybrid loaded monopole, open - circuited transmission line loaded antenna and wire - taper antenna are designed according to these effective technologies found before

    設計了混合加載線天線、頂部套筒電小天線、線錐天線等幾種新型的小型化天線和寬帶化天線結構。
  9. A 1 / 10 - scale model quasi - fractal rcl - loaded monopole antenna was fabricated and measured, which has a bandwidth ratio of about 10 : 1, with vswr less than 3. 0, calculated system gain greater than - 9. 4db and the efficiency above 14 %

    加入寬帶匹配網路后，對其10 : 1的縮比模型天線進行了測試，在全頻率段內駐波系數小於3 ，理論增益大於- 9 . 4db ，效率大於14 % 。
  10. Then on the basis of former studies, the miniaturization and planar structure of the circular monopole antenna are respectively analyzed and two feasible schemes are presented

    然後在上述研究的基礎之上，本課題進一步分析了圓盤單極天線的小型化以及平板化的實現方案。
  11. And the design method of the circular monopole antenna is presented

    給出了圓盤單極超寬帶天線的設計方法。
  12. Folded monopole antenna

    折疊單極天線
  13. However, in hf band, the band of the antennas is narrow, and the input impedance of monopole antenna with limited height undergoes rapid variation with frequency

    但是，在hf頻段，有限高無加載單極子天線帶寬相對較窄，輸入阻抗隨頻率劇烈變化，難于和50的同軸饋線匹配。
  14. Secondly, through the electromagnetic simulation, the impedance and radiation properties of the circular monopole antenna are thoroughly analyzed

    其次，本課題著重分析了圓盤單極超寬帶天線的阻抗以及方向圖特性。
  15. Using the phase conjugation mixer the compact wire antenna with two isolated ports presented in chapter 2 is simulated, and the results show that the antenna can follow the incoming signal with the main beam and has 4 - 8db gain improve against the standard monopole in the incoming signal direction

    對本文第二章提出的兩饋電埠的高隔離度線天線的模擬表明，利用相位共軛電子科技大學博士論文混頻器，天線系統能以主波束在0 』一360 』的范圍內跟蹤入射波方向，具有一定的方向回溯能力。
  16. Then, lump loading is used to enhance the valid height of the antennas, as a result the input impedance of the monopole antenna undergoes gently variation with frequency, and consequently it is easy to match by wideband matching network

    加載后，輸入阻抗變化得到減緩，這是能夠使用寬帶匹配網路進行寬帶匹配的前提，經過寬帶匹配達到了天線小型化和寬帶化的設計目的。
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