螺線天線 的英文怎麼說

中文拼音 [luóxiàntiānxiàn]
螺線天線 英文
spiral antenna
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  1. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋天線輻射的寬頻帶特性，所得的結果均與參考文獻吻合很好。
  2. 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，本文對tem喇叭天線、對數周期天線、雙錐形天線和螺旋天線四種典型的超寬帶天線進行了理論分析，總結並討論超寬帶天線的設計方法和手段。
  3. Analysis of archimedean spiral antenna using moment method with curved segmentations

    曲線分段的矩量法分析阿基米德平面螺旋天線
  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. Part three raiders a game. crocodile left switches, oven gas bottle left in the switch, middle banana on the first rocket, the lower left - hand corner of machinery, machine screws below, the alligator left switch, gas bottle switch, the tail of a rocket, fired right lower antenna first

    第三集游戲攻略1 .鱷魚左邊的開關3次，烤爐左邊的煤氣瓶開關，中間的香蕉放在火箭頭處，左下角的機器，機器下面的螺絲，鱷魚左邊的開關，煤氣瓶開關，火箭尾部，右下天線發射頭。
  6. Information is collected through the use of special rotating antennae found on the two strands that form the helix and located where each strand intersects with its four ladders

    通過使用在二條里發現的特別旋轉天線收集信息，二條形成螺旋狀用它的四個階梯固定在每條橫斷面上。
  7. Aerospace series - inserts, screw thread, helical coil, self - locking - assembly procedure ; german version en 2945 : 1998

    航空航天系列.自鎖螺旋形線圈螺紋襯套.組裝程序
  8. Aerospance series - installation holes for inserts, screw thread, helical coil, self - locking - design standard ; german version en 3044 : 1998

    航空航天系列.自鎖螺旋形線圈螺紋襯套的安裝孔.設計
  9. 1. analyse two - axis antenna platform based on rate gyroscope with the method of kinematics, conclude the stabilization condition of two - axis antenna, provide the theory reliance for closed loop scheme based on gyroscope. 2

    一、對基於速率陀螺的兩軸天線平臺進行了運動學分析，得出了兩軸天線穩定的條件，為陀螺閉環方案的採用提供了理論依據。
  10. High power helical array antenna fed from single - layered radial waveguide

    高功率單層徑向線螺旋陣列天線的設計與模擬
  11. The result shows that the solar radiation pressure moments play a mainly part. based on kalman filtering, three kinds of attitude determination algorithms were studied using the attitude sensor now available on the explorer : the first based on digital solar sensor ( dss ) and gyroscope when the star sensor is not available ; another based on dss, high - gain antenna ( hga ) and gyroscope when the explorer is in the earth - safe mode ; the third based on star sensor combined with gyroscope when the explorer is in the normal mode

    針對配置了典型測量敏感器的深空探測器，基於擴展kalman濾波給出了其姿態確定的方法:針對星敏感器不可用情形，給出了使用太陽敏感器和速率陀螺定姿的濾波器演算法;針對安全模式下的對地穩定定向情形，給出了太陽敏感器和高增益天線融合速率陀螺信息的定姿演算法;針對正常巡航模式給出星敏感器和速率陀螺聯合定姿演算法。
  12. Built to withstand weather the conical radome housing, uv - resistant material and a tubular mounting nut specially designed for ease of weatherproofing, assure superior performance while

    圓錐形天線屏蔽器盒子、防紫外線材料和一個設計可以增強抵抗風雨管狀螺母，保證在全球越來越惡劣的環境下正常工作。
  13. Aerospace series - inserts, screw thread, helical coil, self - locking, in corrosion resisting alloy fe - pa3004 ; german version en 2944 : 1998

    航空航天系列. fe - pa3004耐蝕鋼制自鎖螺旋形線圈螺紋
  14. The joining device of 7 / 16 ( l29 ) type has whorl to join the organization, its characteristic is the power, the capacity is large, voltage little to stay bob, three steps it pays to be superior to transfer performance, kind airtight have, suitable for radio, tv aerial system, jump line join and microwave communication system present cable connection spend mainly

    型連接器具有螺紋連接機構，其特點是功率、容量大，電壓駐波比小，三階交調性能優越，氣密性好，可供廣播、電視天線系統、跳線連接以及微波通訊系統主饋電纜連接用。
  15. This platform system adopts azimuth - pitching mould to realize the stabilization of antenna, by using qrs ( horizon hzi - 90 - 100a ) to form closed loop control mould. this system has been developed many experiments, the result has been proved to be better and better

    該兩坐標動中通系統採用方位、俯仰兩軸天線穩定，由石英音叉陀螺儀（ horizonhzi - 90 - 100a ）構成閉環控制，並通過一定的控制方式使天線的指向在慣性空間保持不變。
  16. Yield locus is analyzed when antenna is controlled under either pt mode or at mode. double trapezium velocity locus is designed for pt mode while the helix search algorithm is designed for at mode

    對程序跟蹤（ pt ）模式和自動跟蹤（ at ）模式下星間鏈路天線的運動規律進行分析，設計了梯形速度軌跡和螺旋掃描運動軌跡。
  17. Passive helical antenna

    無源螺旋天線
  18. Active helical antenna

    有源螺旋天線
  19. Four helical antenna

    四螺旋天線
  20. Gps helical antenna

    Gps螺旋天線
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