波瓣寬度 的英文怎麼說

中文拼音 [bōbànkuāndù]
波瓣寬度 英文
lobe width
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 瓣 : Ⅰ名詞1 （花的分片） petal2 （植物的種子、果實或球莖可分開的小塊兒） clove; segment 3 （物體破碎後...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. The experimental results show : the flattop phenomenon on the diode voltage pulse was very apparent for using the carbon fiber cathode, that is to say, the pulse duration of the diode voltage was widened ; moreover, under the condition of the same power of microwave, the pulse duration of the out - put microwave was prolonged by about 30 % ; the peak power of the microwave was enhanced by 3db

    通過在裝置上做的兩種陰極的對比實驗，結果顯示:碳纖維陰極的使用，改善了電子束質量，使輻射微波的脈寬增加了30 %以上，輻射主瓣方向上的功率密度提高了3db以上，頻譜分佈較純凈，實現了微波的高效輸出。
  2. The paper studies three key problem of base station array antenna for mobile communication, controlled radiation pattern, beam width and passive intermodulation

    本文研究移動通信基站天線中的三個關鍵問題，波束賦形、波瓣寬度、無源交調。
  3. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程，分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析，推導了天線方向圖旁瓣包絡、波束寬度，干凈掃描區寬度的估計公式，給出了近軸旁瓣電平與陣列參數的關系。
  4. The width of the central peak is twice as great as the width of the lobes along-side it (generally referred to as side bands).

    中心波峰的寬度是它毗鄰波瓣（一般稱作旁瓣）寬度的兩倍。
  5. The e - plane and h - plane half power beamwidths of all linear arrays are 15 ~ 25 and 65 ~ 75, respectively. the arrays have achieved expected goals and fit for vehicle anti - collision radar

    所有線陣的e面和h面半功率波瓣寬度分別在15 ~ 25之間和65 ~ 75之間。
  6. Because the adjustment of antenna beam direction is in a very small range, so the effection on antenna sidelobe and beamwidth can be omitted, that is to say, it will not make any effection on other performances of the radar system

    由於對天線波束指向的調整在很小的范圍內，故對天線的副瓣及波瓣寬度指標的影響可忽略，從而不會影響到雷達系統的基他性能。
  7. Based on the requirement, a base station array antenna of which beam width in h - plane is 45 is made. the relationship between the size and the performance of array antenna is researched. the antenna is tested and is proved eligible

    根據實際要求，設計一副水平面波瓣寬度為45的基站陣列天線，討論天線尺寸與性能指標的關系，對天線進行測試，達到了設計要求。
  8. The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out

    本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上，對系統中通道的幾個關鍵技術進行了詳盡的研究，主要分為三個方面: 1 ，提出並研製了新型的片式環形磁感應天線，並對傳輸能量載波的天線的近場互感特性進行了分析，得到互感效率隨天線的周長大小以及導帶寬度的變化規律，並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論，設計了信號載波天線的寬帶匹配網路。
  9. The author ? major contributions are as follows. 1. with the performance requirement ( the pattern of the antenna, the rang of scanning angle, the maximal sidelcbe level and the beam ~ vidth ) givcn, a method is presented to determine the basic parameters of a serpentine feed, which includes the distance and ~ vaveguide length bet ~ veeii t ~ vo couplers, the size of the arrays and the number of components

    根據天線的工作頻帶、掃描范圍、副瓣電平、半功率寬度等技術指標要求，給出了確定波導慢波線基本結構尺寸的計算公式，即對相鄰單元之間的空間距離、耦合器之間的饋線波導長度、陣列的大小和單元數的計算。
  10. In chapter 4, a chebyshev method beamforming for uniform circular arrays ( ucas ) is proposed based on dolph - chebyshev method for uniform linear arrays ( ulas ). this method is that it computationally efficient which makes it eminently suitable for real - time beamforming and beamstearing applications. we describe the new approach for synthesizing array patterns with guaranteed least sidelobe levels for any look direction

    我們對基於均勻線陣dolph - chebyshev波束合成方法進行研究，提出了基於均勻圓陣dolph - chebyshev波束合成演算法，即期望信號在任意入射角度時，均能保證同樣的主瓣寬度和最小旁瓣電平的陣列方向圖合成演算法。
  11. 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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