自適應陣列 的英文怎麼說

中文拼音 [zìshìyīngzhènliè]
自適應陣列 英文
adaptive array
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 適 : 形容詞1 （適合） fit; suitable; proper 2 （恰好） right; opportune 3 （舒服） comfortable; well Ⅱ...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 陣 : Ⅰ名詞1 （作戰隊伍的行列或組合方式） battle array [formation]: 布陣 deploy the troops in battle fo...
  • 列 : Ⅰ動1 （排列） arrange; form a line; line up 2 （安排到某類事物之中） list; enter in a list Ⅱ名詞1...
  • 適應 : suit; adapt; get with it; fit
  • 陣列 : [統計學] array陣列處理機 array processor; 陣列印表機 array printer; 陣列雷達 [電學] array radar
  1. This paper begins with an overview of the fundamentals of adaptive antennas. the correspondence between a spatial filter and the fir filter is illustrated, and the spatial filter characteristic of adaptive antennas is investigated by dmi and ls - drmtcma algorithms. the discrete - time transmission model of synchronous cdma systems with antenna arrays is also developed

    本文首先對自適應天線的基本原理進行了簡要介紹，建立了陣列接收的同步cdma系統離散時間傳播模型，並論述了空域濾波和時域fir濾波器的類比性，用dmi和ls ? drmtcam演算法模擬了自適應天線空間濾波性能。
  2. And the gist of dividing subarray is proposed. according to the gist, a new subarray whose configuration is simple is proposed, and makes its grating lobes unobvious and its adapted antenna pattern close to that of the full optimum processing by confusing the periodicity of subarry and making the power of output noise equal

    然後在此基礎上提出了一種新的結構簡單的子陣結構，並且通過打亂子陣排列的周期性以及保證各子陣輸出噪聲功率相等，該子陣的柵瓣效應幾乎可以忽略且其自適應方向圖保形良好。
  3. The mutual coupling between elements is expressed in terms of the normalized impedance matrix of the uniform linear array, the concise expressions for the optimized weight of the lms algorithm and the signal - to - interference - plus - noise ratio are given. the effect of mutual coupling on the performance of the sinr is illustrated with two examples, a method for compensating the mutual coupling is present, the compensation effect of this method is verified by example

    用譜分析法，把陣元問的互耦用陣列的歸一化阻抗矩陣來描述，推導了均勻線陣的最佳權矢量及信號干擾噪聲比的表達式，模擬計算了互耦對自適應天線陣列的信號干擾噪聲比的影響，給出了一種校正互耦的方法，數值模擬了校正的效果。
  4. The improved algorithm not only inherits the fast convergence trait from rls and realizable systolic array from qr _ rls, but also eliminates square - root operation and gets directly equalizer output signals from systolic array. so this algorithm has more simple operation, faster executing speed, less hardware resource and lower hardware cost. some different equalization algorithm are imitated on the qpsk communication system with multipath channel

    其次對一些成熟的自適應均衡演算法（如lms演算法、 rls演算法、 qr _ rls演算法、逆qr _ rls演算法）進行了分析;介紹了一種改進后的無平方根的qr _ rls演算法，該演算法不但繼承了rls的快速收斂特性和qr _ rls演算法的systolic陣列可實現性，還取消了qr _ rls演算法的平方根運算，使演算法在硬體實現時運行速度更快，佔用資源也更少，同時該演算法還可由systolic陣列直接得到均衡后的輸出信號，運算量更小。
  5. Study of pattern synthesis algorithm for adaptive arrays

    自適應陣列綜合方法研究
  6. The results of the simulations show this method can keep the amplitude of the desired signal, restrain the interference signal, and keep the output power of array to minimum

    模擬表明，採用自適應演算法能夠在保證接收方向回波信號幅度保持不變的條件下，抑制干擾信號，且使陣列輸出功率最小。
  7. This dissertation is focused on the study of adaptive digital beam forming ( dbf ), two - dim spectrum estimation and the determination of the highness of the object. main work include : 1 a method of adaptive dbf in received antenna array

    本文圍繞著自適應接收波束形成、時-空二維譜估計和對目標高度判定等方面進行研究，主要研究工作包括以下幾個方面： 1討論了在接收陣列天線中，自適應數字波束形成（ dbf ）的方法，引入了采樣梯度矩陣演算法。
  8. Partial adaptive digital beam forming has the potential for improved time - energy management, and reduced life - cycle costs, and reduced complexity of adbf system, especially in large array antenna used thousands of sensors. this dissertation was part of the national ' s array radar project

    對于大型空時自適應陣列天線，採用部分自適應技術（ padbf ） ，可以降低陣列自適應演算法的復雜性，產生較快的自適應響應，同時也可極大的降低系統硬體成本。
  9. This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method, respectively. examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented. compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly

    提出了一種簡單、易於實現的恆定束寬波束形成器設計方法，該方法對陣形和陣元指向性沒有任何限制；分別提出了基於陣列接收數據重采樣、基於dft插值和自適應綜合的三種具有頻率不變波束圖的寬帶波束形成器設計方法，對于每一種設計方法都給出了一個設計實例並做了性能分析；提出一種基於dft插值的簡化線性約束最小方差寬帶自適應陣列演算法，該方法可以大大降低自適應陣列的運算量。
  10. Under ideal conditions, adaptive array signal processing methods can get excellent performance and adaptive beamformers provide an improvement in array output signal - to - interference - plus - noise - ratio ( sinr ) in comparison with conventional beamforming. in practical operating circumstances, the performance of adaptive array signal processing methods degrade extremely due to existing errors

    但是，在實際系統中總存在有誤差，包括自適應訓練樣本有限次快拍引起的協方差矩陣的估計誤差和各種系統誤差，誤差使得實際陣列流形與理想陣列流形存在差異，這時自適應陣列信號處理的性能會急劇下降。
  11. On adaptive array of mobile terminals for satellite communications

    衛星移動終端自適應陣列技術研究
  12. With the development of communication, the technology of adaptive array has drawn comprehensive attention

    隨著通信技術的發展，自適應陣列技術得到了廣泛的重視。
  13. Although there is much research on the theory, the research of combining theory with practice is still in the start stage

    目前，自適應陣列技術在理論上的研究較為深入，但理論與實際系統相結合還處于起步階段。
  14. Thirdly, the dissertation presents an anti - interference technology of adaptive array for non - spread spectrum signal using a pilot signal, by which a non - spread spectrum system can use the decoupled 2 - d rake receiver and the original non - spread spectrum system need not be modified

    第三，提出了採用擴頻信號作為導引信號的非擴頻信號自適應陣列天線抗干擾方法。該方法使得非擴頻系統可以採用解耦合空時2 - drake接收機，而且不改變原非擴頻系統。
  15. Both the two algorithms can be applied to adaptive arrays working on radiation mode, thus greatly improving radar " four - anti " capabilities

    這兩種演算法均可應用於自適應陣列的發射模式，從而能大大提高雷達的「四抗」能力。
  16. Performance analysis of phase shifter error of adaptive array antenna for satellite ground - level station

    自適應陣列天線移相器的誤差對衛星地面站性能影響分析
  17. Therefore the study of robust algorithm for adaptive array signal processing is becoming more urgent and important

    因此，對自適應陣列信號處理穩健性演算法研究顯得越來越重要。
  18. Second, both the optimized beamforrnkig for antenna array and constant module algorithm are explored. we deeply study the performance of adaptive array under wireless multi - path environment

    其次，分析了天線陣列最優波束形成技術和恆模演算法，深入研究了無線多徑環境下自適應陣列的性能。
  19. In chapter two we describe an adaptive array system model and the algorithm we used in this thesis, then introduce the principle of spread spectrum system and dynamic simulation tool system view in brief

    第二章首先介紹了自適應陣列的系統模型及本文研究所採用的自適應演算法，然後簡單介紹了擴頻系統的原理和動態實時模擬系統systemview 。
  20. The direction of arrival and time of arrival statistic for circular and elliptical vector channel model are derived, and efficient methods are give that can be used to simulate these models. the benefits of using adaptive antennas are also studied for 3g mobile radio system based on td - scdma. hi this thesis, these benefits are explained theoretically and illustrated by computer simulation

    然後用矩量法和等效網路方法分析了自適應陣列的互耦特性，建立了考慮互耦后的陣列信號接收模型，考察了計入互耦后music來波估計演算法性能，並給出了一種基於music演算法的互耦矩陣求解方法。
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