antennas 中文意思是什麼

antennas 解釋
天線（18類）
  1. Radio disturbance characteristics for the protection of receivers used on board vehicles, boats, and on devices - limits and methods of measurement - specifications for active antennas

    道上車輛船舶和設備上用接收機保護的無線電干擾特性.限值和測量方法.有源天線規范
  2. Radio astronomy today is armed with the largest antennas in the world.

    射電天文學擁有世界上最大的天線。
  3. Elliptic - beam antennas in satellite communications

    衛星通信中的橢圓波束天線
  4. Review of multiple - beam antennas for satellite communications

    衛星通信多波束天線綜述
  5. Neural network - based adaptive nulling with multiple - beam antennas

    基於神經網路的多波束天線自適應調零
  6. A new kind of fan - beam antennas

    一種新型扇形波束天線
  7. Performance analysis of shaped beam for, multiple - beam antennas with array - fed reflectors

    衛星陣饋反射面多波束天線賦形波束的性能分析
  8. A comparative analysis of adaptive beamforming algorithms for satellite multiple - beam antennas

    應用於衛星多波束天線的自適應波束形成演算法比較
  9. Mutual coupling analysis of collinear antennas with signal and system concept

    利用信號與系統概念分析線天線的互阻抗
  10. The thesis focus on the numerical analytical method of curved broadband wire antennas. first, the paper introduced the development of broadband antennas, the common measures to broaden antennas " bandwidth and the study on curved antennas. second, the generalized halen integral equation ( mei ' s equation ) was derived based on the three basic equations of wire antennas by two means and its numerical solution method was discussed

    本文就曲線寬頻帶線天線的數值分析方法展開研究，首先介紹了寬頻帶天線的發展，實現天線寬頻帶的常用方法和曲線天線的研究現狀，然後在直線加載天線滿足的方程的基礎上用兩種方法推導了曲線天線滿足的推廣的海倫積分方程（ mei 』 s方程） ，討論了不同基函數下方程的數值解法。
  11. Conductance of parallel double - slotted waveguide array antennas

    平行雙縫型波導縫隙陣列天線的導納分析
  12. This paper presented a new method which is usable when the base stations ' antennas are directional or omni - directional antennas by using a new objective function

    摘要採用新的目標函數提出能夠同時適用於定向天線和全向天線的場強定位演算法。
  13. Survey of earth station antennas for mobile satellite communications

    衛星移動通信地球站天線發展綜述
  14. This has since been confirmed by russian sources ; the transmitter consists of two swept - frequency generators of sinusoidal voltage and two parallel horizontal grounded antennas, each about 60 km long

    這一點被來自俄方的消息所證實；發射機有兩個掃頻發生器，產生正弦波，同時有兩幅相互平行的水平地面天線，每個天線有60千米長。
  15. 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。
  16. Four tem - horn antennas have been made. using these antennas two - element rain gutter tem - horn array, two - element stacked tem - horn array, four - element rain gutter tem - horn array and four - element stacked tem - horn array are been mades up of. the results of experiment accord with theory and numerical stimulation

    最後，對tem喇叭天線陣列進行了原理性實驗研究，設計了帶地板結構的半tem喇叭天線，組成二元槽狀陣列、二元疊狀陣列、四元槽狀陣列、四元疊狀陣列等，應用小信號測試，得到的結果與理論和數值模擬相一致。
  17. Autonomous formation flyer technology developed by jpl is used three receiving antennas and one transmitting antenna are installed on each satellite each of satellites can transmit analog gps signal but more accuracy. the multiple receiving antennas on the every satellite are capable of acquiring precise pesudorange and carrier phase signals transmitted by other satellite and compose of a kind of onboard augment gps system

    在文中，利用jpl提出的自主編隊飛行技術aff ，在每個編隊衛星上安裝一個發射天線和三個接收天線，每一個發射天線可以發射類似於gps的高精度偽距和載波信號，與其它衛星上的多個接收天線構成星載擴展gps系統。
  18. Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters, radiators, resonators, and wide - band transmission lines, etc. periodic - loaded waveguides play very important roles in high - power microwave tubes, corrugated antennas and linear accelerators

    在各種微波器件如濾波器、輻射器、諧振器和寬帶傳輸線中橢圓波導有著廣泛的應用。周期加載波導在高功率微波管、波紋喇叭和線性加速器等中起著重要作用。
  19. Though maximum likelihood detection ( mld ) can obtain optimum detection performance in mimo communication systems, the ergodic search increases the complexity exponentially with the number of the antennas, which lead to implemental difficulty

    在mimo通信系統信號檢測中，最大似然檢測（ mld ）可以獲得最佳的誤碼性能，然而遍歷式搜索方式使得mld的計算復雜度隨天線數呈指數形式遞增，在實際系統中，往往難以實時實現或者不能實現。
  20. In view of the drawback of the existing models, a novel geometrical based spatial - temporal hybrid - path channel model is proposed for multiple antennas system

    基於現有模型的不足，提出了一種基於幾何結構的混合路徑空時無線通道統計模型。
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