波束形成 的英文怎麼說

中文拼音 [bōshùxíngchéng]
波束形成 英文
beam forming
  • 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...
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  • 波束 : wave beam; beam; wave packet波束空間 [半] wave number space
  1. Adaptive beamforming for the multiuser stbc system

    系統中一種自適應波束形成方法
  2. Beamforming takes an important role in the multi - beam bathymetric

    波束形成在多波束測深中具有十分重要的作用。
  3. 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
  4. This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation

    本文首先討論了ar模型法、 capon法、 music法和mn法四種高解析度演算法的原理，在理想的情況下分別對上述四種演算法作了計算機模擬，通過比較，高解析度演算法的束寬比常規波束形成法窄得多;然後結合實際運用時的情況，重點探討了延時失配、時域抽樣、平面波假設和基陣的幅相不一致對波束形成的影響並做了計算機模擬。
  5. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行波束置零之前，需要估計干擾源的方向和個數，因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理，並分析了它們的性能和優缺點。
  6. Cycle frequency - based blind beamforming shows the performance degradation due to cfe ( cyclic frequency error ). an improved algorithm is presented in literature 6, which adopting forgetting factor in estimation cyclic correlation matrix would largely depress the sensitivity of cab to cyclic frequency error. by using this method, the improved algorithms of the c - cab and ecab algorithms are presented in this dissertation

    針對基於循環頻率的盲波束形成演算法對循環頻率誤差cfe （ cyclicfrequencyerror ）很敏感而導致演算法性能下降的情況，參照文獻[ 6 ]提出的遺忘因子cab演算法，提出了c - cab演算法以及基於特徵空間的盲波束形成演算法（ ecab ）的改進演算法。
  7. The gsc is the most popular method in time domain

    寬帶波束形成有時域處理方法和也有頻域處理方法。
  8. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。
  9. A logarithm - kurtosis based complex algorithm for blind signal extraction and blind beamforming

    基於峰度自然對數最大化的信號盲分揀演算法和盲波束形成
  10. In addition, the beamforming techniques for cdma systems are discussed emphatically. the algorithm based on code filtering is deduced in detail theoretically, and the performances such as convergence and bit error rate ( ber ) are simulated. meanwhile, we improve a decision - projected algorithm based on least - mean - square ( lms ) error

    論文重點討論了cdma系統的波束形成技術，在理論上詳盡地推導了基於擴頻碼濾波的波束形成演算法，對其收斂性、誤碼率等進行了計算機模擬；針對基於最小均方（ lms ）誤差的一種判決映射演算法進行了改進。
  11. 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。
  12. In this dissertation, some algorithms and techniques of digital beam forming ( dbf ) of the conformal array are studied and also adaptive digital beam forming ( adbf ) of uniformity circular array ( uca ) based on wideband signal is investigated. this dissertation is organized as followed. in the first part of dissertation, the basic theory of conformal array is introduced

    本文研究了共形相控陣的數字波束形成技術，對共形陣的相關技術進行了詳細介紹，並且對一些常規共形陣的數字波束形成技術進行了研究，得到較好的模擬結果，此外，還對寬帶共形陣數字波束形成技術及性能進行了討論、模擬及其性能分析。
  13. At first some modification is made in conventional beam forming of frequency domain, namely to estimate doa by arrays outputs on compensated spacial frequency points of echoes. then the cwt is utilized to signal processing in space - frequency domain for estimation of doa, and the corresponding modification is also made. in the dissertation, the computer simulations of doa estimation for both narrow - band and wide - band echoes are given, so do the necessary comparison among several methods and crb

    首先在傳統的頻域波束形成演算法的基礎上，提出對寬帶信號的頻率補償，也即對寬帶回波信號的各空間頻率根據時間頻率的差異進行相應補償，然後對各陣元輸出求和來得到方位估計；其次將連續小波變換引入到空間?頻率處理中，從而完成對目標方位的估計，並進行了相應地補償。
  14. Cumulant - based blind adaptive beamforming technology

    基於累積量的盲自適應波束形成技術
  15. The correct estimation of incident signals " direction of arrivals ( doas ) is the premise of doa - based beamforming algorithms

    對來波的波達方向（ doa ， directionofarrival ）進行正確估計是doa波束形成演算法的前提條件。
  16. 3. an improved algorithm directly designing the fir ( finite impulse response -. fir ) filter fan to realize time domain wcbb is presented

    提出了通過直接設計fir （ finiteimpulseresponse ： fir ）濾波器組來實現時域恆定束寬波束形成器的改進方法。
  17. Results of lake - experiment show that the high gain beamforming approach can obtain extra 3db under the situation of the experiment, compared to that obtained via the conventional method

    結果表明，在實驗條件下，高增益波束形成比常規處理方式獲得了3db的額外處理增益。
  18. Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, whereas beamforming plays an important role. as it is known, the conventional beamforming approach provides limited array gains and low interference suppression abilities, and cannot resolve multi - targets distributed within a small spatial region

    但是，傳統的波束形成方式所提供的陣增益有限，對干擾的抑制能力不強，且不能分辨空間小角域內的多個目標，影響了聲吶系統整體性能的發揮。
  19. Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals

    智能天線技術是目前通信和信號處理等領域的研究熱點，自適應波束形成演算法的研究是智能天線的一個關鍵技術，它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束，在干擾信號方向產生較深的零陷，是實現用戶信號最佳接收的有效方法。
  20. The thesis firstly analyzes the signal form of frequency modulated interrupted continuous waveform ( fmicw ) in theory, studies the principles of detecting range and velocity for fmcw, and further discusses the essential processing methods of the fmicw signal form, including the range transform processing method based on the strict corresponding relation between time and frequency domain, the velocity doppler transform, the digital beam forming

    本文首先從理論上分析了在高頻地波超視距雷達所用的線性調頻斷續波信號的形式，研究了fmcw雷達測距測速原理，並深入地探討了fmicw信號的基本處理方法以及具體的演算法，主要包括距離變換中採用的時間波門相關處理方法，速度多普勒變換，數字波束形成。
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