beam antenna 中文意思是什麼

beam antenna 解釋
【無線電】定向天線。

  • beam : n 1 梁，棟梁，桁條；（船的）橫梁。2 船幅；（動物、人的）體幅。3 （秤）桿，杠桿，（織機的）卷軸，...
  • antenna : n. （pl. -nae , antennas）1. 【動物；動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  1. Synthesis of antenna arrays shaped - beam using genetic algorithm

    遺傳演算法在陣列天線賦形波束綜合中的應用
  2. Design of switched beam antenna in mobile communication system

    移動通信系統中的智能天線技術
  3. A multi - satellite tt amp; amp; c system based on digital multi - beam antenna

    基於數字多波束天線的多星測控系統
  4. Application of lcmv algorithm to pattern synthesis for satellite multiple - beam antenna

    方法在衛星多波束天線賦形中的應用
  5. Spot beam antenna

    點波束天線
  6. Across the rigid - flexible coupling dynamic analysis, we acquired the coupled effects between the three - dimensional attitude motion of the satellite and the flexible vibration of the antenna ' s supporting beam, and got the dynamic behaviors of the system. and we found the change pattern of the antenna ' s structure parameters, which decide the system ' s connatural characteristic and its dynamic response

    通過對衛星?天線形成的剛柔耦合系統進行動力學分析，獲得了衛星的剛體運動與天線的彈性振動之間的耦合影響規律及其真實的動力學行為，得到了天線結構參數對衛星?天線系統的固有特性及其動力學響應的影響規律，為衛星姿態控制和天線結構優化設計奠定了基礎。
  7. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測角原理為基本理論出發點，利用相位控制的坐標分離技術，基於線陣、圓形陣等簡單形式的相控陣天線，推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。
  8. One factor is that unlike the old line feed antenna, which was hanging by itself, exposed to the tropical elements, the multi - beam receiver is located inside the distinctive - looking gregorian dome

    與老的線性反饋天線暴直接露在熱帶環境中不同，多通道接收器安放在富有羅馬特色的穹頂中。
  9. An antenna array that is truly smart would be able to aim a radio beam directly at a mobile user instead of choosing a beam that comes relatively close

    一個真正聰明的陣列天線，必須能夠直接把波束瞄準行動用戶，而不是選用與用戶較為接近的波束。
  10. Parabolic antenna in a widely used is tracking antenna area, by use the optimum design, it may produce a very narrow beam, it ' s tracking precision is high, but because it ' s beam width is very narrow, the searching target is very difficult

    摘要拋物面天線是火控雷達中普遍使用的一種跟蹤天線，通過系統優化設計，可以形成很窄的波束，所以其跟蹤精度很高，因為其波束很窄，所以搜索發現目標困難。
  11. Antenna beam width

    天線波束寬度
  12. In actual radar antenna design several thousand elements could be used to obtain a high - gain antenna with a beam width of less than two degrees

    實際的雷達天線設計為擁有數千個單元能夠獲得高增益使波束寬度小於2度。
  13. 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。
  14. Antenna beam compression

    天線波束壓縮
  15. An analysis on improving mobile communication capability by using multiple beam smart antenna

    多波束智能天線對改善移動通信性能的分析
  16. Smart antenna has two critical tasks, one is to filter the uplink signals, and the other is to form the downlink beam, and we need adaptive algorithm and digital signal processing ( dsp ) technology to fulfill these work. adaptive algorithm is one of the most important technologies of smart antenna, and it determines smart antenna ' s speed to the wanted to signal and the complexity of the circuit of the communication system

    自適應演算法是智能天線的核心技術之一，它決定著智能天線對來波信號響應的速率和系統實現電路的復雜程度，系統需要針對各種通信環境來選擇合適的演算法，也可以採用演算法分集的方法來使整個系統工作在最佳狀態。
  17. In the next generation of wireless communication, the base station antenna should have these functions : integration of different diversity methods to release multi - path fading, beam - downtilt to reduce co - channel interference, beam - forming to optimize coverage

    在設計新一代移動通信基站天線時，應使天線能綜合各種分集方式進行天線分集以消除多徑效應，具有波束下傾以減少同頻干擾，能波束賦形以實現優化覆蓋。
  18. On the basis of discussing the analyzed restraint relationship between the link loss and the spot - beam antenna gain a new spot - beam model of optimum design named link level balance spot - beam model is proposed

    在分析鏈路損耗與點波束天線增益之間制約關系的基礎上，提出了一種新的點波束優化設計模型鏈路電平平衡點波束模型。
  19. If we tracked satellite by the tradition narrow beam antenna, that should caused the jumping tracking between multi - aircraft. that is difficult to achieve by the immense antenna boot and the follow - up system. using digital beam forming realize aircraft target tracking and controlling should be best means to resolve this problem

    隨著我國多星測控系統的發展，在一個測控站作用范圍內將出現多星，同時要求地面站對多星同時進行跟蹤測控；如果採用傳統的窄波束天線對目標進行跟蹤測控，必然導致天線在多個飛行器之間進行跳動跟蹤，這對于龐大的天線引導、伺服系統來說難以實現，採用數字波束對飛行器目標進行跟蹤測控是解決此問題的最好方法。
  20. Influence on performance of interference localization using satellite multiple - beam antenna with pointing error

    衛星多波束天線指向誤差對干擾源定位性能的影響
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