waveguide aperture 中文意思是什麼

waveguide aperture 解釋
波導孔
  • waveguide : 【電學】波導（管）。
  • aperture : n. 1. 孔，隙縫。2. （照相機的）光圈；孔徑，口徑。
  1. Abstract : according to the continuative condition of the tangential fields on the slot aperture which is the inclined narrow - slot on the broadwall of a sectoral waveguide, the moment method is used to calculate the magnetic current coefficient and distribution. then the scattering field, the scattering parameter and the equivalent impedance are obtained. leting only the te11 dominant mode propagates in the waveguide, the scattering parameters and the normalized equivalent series impedance in the x - band are computed. the basis disigned the slot antenna and the slot array is offered

    文摘:根據縫隙口面切向場的連續條件，採用解析數值法矩量法，對扇面波導寬壁上窄的斜縫進行了計算，解得了磁流系數及其分佈，並得到散射場、等效散射參量及等效阻抗等重要參數.假定波導中僅有te11主模傳輸，在x波段計算了散射參量和歸一化等效串聯阻抗，給出計算結果，為縫隙天線和縫隙陣列設計提供了依據
  2. So, in this paper, a new feeding method is proposed. it is a combination of aperture coupling from a slotted waveguide and coplanar feeding using series - fed microstrip line

    因此，在本文中提出一種對微帶貼片天線陣饋電的新方法，它是由波導縫隙的口徑耦合饋電和微帶線串饋的平面饋電共同完成的。
  3. This dissertation is a part of the research project, " millimeter wave synthetic aperture radar ( sar ) ", which is the pre - researchful item of the elelctric 10th institute of ministry of information industry. it ' s aim is to improve performance of stop - band of waveguide band - pass filter ( bpf )

    本論文工作是中國電子科技集團公司第十研究所「十五」預研項目「毫米波合成孔徑雷達」中的一部分。要求對目前的e面全金屬膜片波導濾波器進行改進，提高其阻帶性能。
  4. Starting with analysis on the field of gaussian feed ' s aperture, the relations of radiation characteristic and power capacity and gaussian beam waist radius are investigated particularly by using the circular waveguide intrinsic mode expansion method

    =本文從圓錐高斯饋源口面場分析入手，利用高斯場展開成規則圓波導場的方法，細致的討論了高斯束腰對饋源輻射特性和功率容量的影響。
  5. At the same time, in order to increase the gain of the radiation aperture, a new way to enlarge the waveguide radius is presented. and a gigawatt level of averaged output power with quasi - single tmoi mode is obtained at 3. 9ghz under the diode voltage of 550kv and the beam current of 23ka

    同時，為增大輻射口增益，提出了一種增大波導管半徑的方法，並且在二極體電壓為550kv 、束流為23ka的條件下，模擬獲得了平均功率達gw量級，頻率為3 . 9ghz的準tm _ （ 01 ）模式的微波輸出。
  6. Waveguide aperture phased array antenna is analyzed using the transparent source technique and the auxiliary fields fdtd. a method to calculate triangular lattice array is put forward

    有源結構中以波導口徑相控陣天線為例，將透明源技術與輔助場fdtd結合起來，並提出了一種分析三角形柵格陣列的方法。
  7. In this work we designed and produced an auto - scanning and data - acquisition apparatus of microwave imaging with rectangular open - aperture waveguide as the sensor

    摘要採用矩形開口波導作為傳感器，建立對成像樣品板進行自動掃描控制和數據採集的微波成像裝置。
  8. As the most widely used type of slot antennas, waveguide slots arrays have the advantage of tight structure, easily controlled aperture distribution, and wide band for the nonresonant waveguide slots antennas, which make it be one of the preferred form in antenna domain of high efficiency and low side - lobe

    縫隙天線在現代天線設計中有著重要的地位，而波導縫隙天線又是縫隙天線中應用最為廣泛的天線形式。波導縫隙天線有結構緊湊、口徑幅度相位分佈容易控制和頻帶較寬（行波式縫隙天線）的特點，成為了高效率、低副瓣天線的優選方案之一。
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