波瓣成形 的英文怎麼說

中文拼音 [bōbànchéngxíng]
波瓣成形 英文
lobe shaping
  • 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...
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  1. Firstly, the steering vector of mainpath of desired user is estimated by using code filtering method, then dummy signals are introduced, main lobe of wave is built by using the steering vector of mainpath of desired user and side lobes is constrained by using dummy signals

    該方法首先利用碼濾波的方法估計期望用戶主徑的波達方向，然後引入虛擬信號，利用期望用戶主徑的波達方向形成波束的主瓣，並利用虛擬信號抑制旁瓣。
  2. In the case of the main - lobe interference, we construct the preprocessing matrix, which cancels the main - lobe interference before adaptive beam forming. so the main - lobe aberrance is taken off. the dissertation focuses on the dbf of conformal array

    特別針對主瓣內干擾情況下的寬帶自適應波束形成，通過構造圓陣預處理矩陣，消除主瓣內干擾后再作自適應波束形成，解決了主瓣畸變的問題。
  3. 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。
  4. Robustness is the study focus of adaptive beamforming techniques because of the inevitable array imperfections in practice. a robust adaptive beamformer based on the structure of the generalized sidelobe canceller ( gsc ) is proposed in this thesis

    由於陣列天線的空間采樣誤差不可避免，自適應波束形成的穩健性是當前波束形成研究的熱點，論文提出了一種基於廣義旁瓣相消器結構的穩健的自適應波束形成器。
  5. In the chapter, we are also presented a low sidelobe beamforming synthesis technique. the main beam is pointed in the proper direction by choosing the steering vector for that direction

    為了獲得自適應優化權向量，形成任意的旁瓣電平波形，即使在旁瓣區域干擾很強時，也能保證有很好的方向圖輸出。
  6. However, the optimal results being a statistical average, the antenna pattern of random phasing is unsteady with the scanning angle and scanning period, so it is not easy to form the actually needed codes for control of the antenna scanning

    應用遺傳演算法對隨機饋相方案進行優化，能有效抑制寄生副瓣的出現，形成掃描空域確定的波控代碼，實現相控陣波束無慣性的精確指向。
  7. As an example, the time domain low - sidelobe wcbb is designed for a 12 - element arc array. simulation results show the effectiveness of the proposed method

    針對陣元具有指向性的圓弧陣，設計了具有低旁瓣特徵的時域恆定束寬波束形成器。
  8. Digital beam forming ( dbf ) is a kind of new technique which based on the antenna beam forming and the well - developed digit signal processing. the technique should convenient obtains high resolution and low sub beam by sufficiently utilizing of the space message received by array antenna. and make the technology of beam scanning, self - calibrating and adaptive beam should be realized easily

    數字波束形成（ dbf ）是在天線波束形成的基礎上，引入先進的數字信號處理方法后建立起來的一門新技術，這種技術可以充分利用陣列天線檢測到的空間信息，並易於獲得超解析度和低副瓣，實現波束掃描，自校準和自適應波束形成等。
  9. The technology of digital beamforming ( dbf ) can dramatically increase array antenna performances. these performances include fast adaptive pattern nulling, ultra - low sidelobes, closely spaced multiple beams, adaptive space - time processing, high resolution direction fiding ( df ) and increased capacity for band - limited communications systems

    數字波束形成（ dbf ）技術可顯著提高陣列天線的性能，這些性能包括：快速自適應波束置零、超低副瓣、密集多波束、自適應空時處理、高分辨測向和大容量有限帶寬通信等等。
  10. The content can be outlined as follows : the introduction of broadband beamforming, the study of a robust broadband generalized side lobecanceller ( gsc ), the discussion of an integral constraint beamforming based on subband processing. the broadband beamforming can be designed in time domain or frequency domain

    內容包括：寬帶波束形成器的時域處理的介紹，一種穩健的寬帶旁瓣對消器；基於子帶處理的積分約束的波束形成器的設計；並在文中簡述了寬帶波束形成器時域處理以及頻域處理的優缺點。
  11. The results of simulation show that the beamformer can reduce the use of degree of freedom and can improve the performance

    結果表明這種積分約束的波束形成器很好的壓低了旁瓣，提高了波束形成器的性能。
  12. 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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