瓣波瓣 的英文怎麼說

中文拼音 [bànbōbàn]
瓣波瓣 英文
lobe
  • 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...
  • 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...
  1. This represents successive stages of transfer of amplitude to later lobes.

    這代表振幅向後面波瓣傳遞的相繼各階段。
  2. Second, this paper analyzes the time - frequency distribution of the clutter from airborne pulse doppler radar ( pdr ). the side - lobe clutter, which is the main factor to influence the pdr, is analyzed and calculated. based on the simulation of typical geometry of the land, we analyze and discuss the side - lobe clutter and concluded that the dft of can be considered as the phase of the coho

    並且根據各種典型地貌的近似模擬，從統計特性上和頻率域上對脈沖多卜勒雷達的旁瓣雜波進行了分析討淪，還得出脈沖多卜勒雷達的dft可以近似地看作相參積累，並在程序的編制中利用了這一個結論。
  3. In radiocommunications, the radiation in a lobe of a directional antenna

    在無線通信技術中，定向天線以某一波瓣輻射的電磁能。
  4. 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。
  5. Mve mitral valve echogram

    二尖瓣回波描記圖
  6. 2. the spectrum correcting technique is applied in one dimension distance sidelobe restraining successly and deal with well with this understanding of zero or low doppler frequency and without noise, mussy weaves

    2 、在一維距離旁瓣抑制中成功地應用了譜修正技術，在無噪聲、雜波干擾，零或低多普勒頻率情況下，處理效果良好。
  7. Lobe design for aerial of a single pulse radar in the empty tube

    一種空管單脈沖雷達天線的波瓣設計
  8. The main feature of aesa is to adaptive produce null in the pattern by weight control of elements in the array

    通過陣元收發幅相的權矢量控制，以使波瓣在產生干擾的方向「置零」 。
  9. 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。
  10. Antenna lobe pattern

    天線波瓣方向圖
  11. 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。
  12. Side - lobe echo

    旁波瓣回波
  13. The antenna system has a good characteristic with wide symmetrical beamwidth, broad impedance bandwidth and compact structure

    整個線性漸變槽天線系統具有對稱波瓣、寬頻帶、寬主瓣和結構緊湊等特點。
  14. Phased - array radiation lobe is superposed by isometric array element with constant amplitude. using the concept of real and imaginary space, the scanning lobe is researched

    通過「實虛空間」的概念，分析了掃描中的陣列波瓣，總結給出相控陣天線的方向性系數。
  15. 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。
  16. 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。
  17. 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。
  18. 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。
  19. For the first time a hybrid optimized algorithm based on differential evolution and ga and little perturbation method are combined to produce the nulls in the pattern by amplitude and phase control of elements in the array of elements on a triangle lattice. the simulating results prove that meet request basically

    針對有源相控陣陣元三角形柵格的排列方式，首次運用基於差分進化演算法和改進的遺傳演算法的混合優化演算法與微擾法相結合實現波瓣控零，模擬結果表明基本滿足設計要求。
  20. From analyzing the side, lobe, the angular velocity of sight line of autoloading seeker, and the response delay of missile, the main reasons of airdefence missile end control invalidation are made sure

    2 、從半主動導引頭副瓣波束影響、導引頭最大跟蹤角速度限制以及導彈響應延遲特性三個方面，分析了造成防空導彈末端失控的主要原因。
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