波束成形器 的英文怎麼說

中文拼音 [bōshùchéngxíngqì]
波束成形器 英文
beam-shaper
  • 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...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 波束 : wave beam; beam; wave packet波束空間 [半] wave number space
  1. 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。
  2. 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。
  3. 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。
  4. ( 2 ) the disturbances are analyzed which are caused when signals with a few work frequencies are inputted. and the influence in the realization are also discussed such as calculation period and the quality of multibeamforming. they are solved by software and hardware methods - array processing with multiple dsp and low - passed re - filter

    （ 2 ）根據本系統的多個工作頻率的特點，分析了各個工作頻率的輸入信號波束形成時造成相互干擾，以及對波束形成演算法的影響（如在dsp處理器中的實現的運算量、波束結果的質量等） ，提出相應的軟體和硬體解決方案? ?多dsp陣列處理和二次低通濾波，並進行了理論模擬。
  5. 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。
  6. Simultanously, according to the principle of beamforming, the arithmetic method of beamforming based on delay filter is presented

    同時，根據波束成形原理，提出了一種基於延時濾波器的波束成形演算法。
  7. Based on these, it is discussed how to realize and simplify it in dsp system. the primary parameters of the hardware system are also estimated such as sample frequency, calculation period and the amount of memory

    並在此基礎上，分析了該演算法在dsp處理器中的實現以及運算量的初步簡化，估算了該波束形成演算法所要求的硬體系統載荷? ?運算量（計算周期） 、采樣率以及數據存儲量。
  8. In the latter part, we discuss some classical algorithms of conventional amti and stap and present a new method to combine space conventional beamformer with the maximum improve factor amti filter. then we present a concrete method of putting dpca into aerial phased array ' s amti, simulation result proves the validity

    在自適應動目標指示部分，討論了常規amti處理和空時聯合自適應處理的各種演算法，提出一種將空域常規波束形成與最大改善因子amti濾波器相結合的處理方法並進行了模擬驗證。
  9. Dbf algorithms for 2d planar array based on the algorithms for 1d array are discussed in this paper. the author ' s main contributions include research of the adaptive digital beamforming algorithm, which control both amplitude and phase of each array element : diagonal loading qrd - smi algorithm. research of two phase - only dbf algorithms : small phase perturbation restriction algorithm and maximum gain of the expected direction restriction algorithm

    面陣的數字波束形成演算法是面陣dbf技術的關鍵，本文在現有的一維數字波束形成演算法基礎上，研究了二維面陣的數字波束形成演算法，主要工作有：面陣的幅度相位全控制自適應數字波束形成演算法? ?對角加載qrd - smi演算法的研究；兩種面陣唯相位（ phase - only ）數字波束形成演算法? ?小相位擾動約束演算法和期望方向增益最大約束演算法的研究；面陣的數字多波束形成演算法? ?二維fft多波束的研究，以及fft在可編程邏輯器件中的實現。
  10. 2. the time domain wcbb design method based on sub - band decomposition is studied

    研究了基於子帶劃分的時域恆定束寬波束形成器的設計方法。
  11. 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。
  12. An adaptive beamformer based on minimum bit error rate method for ofdm systems

    準則的自適應波束形成器
  13. Application of high resolution beamformer in multibeam bathymetric system

    高解析度波束形成器在多波束測深系統中的應用
  14. Here a scheme to implement broad - band constant beamwidth digital beam - former has been presented. the results of computer simulation show the scheme is effective

    本文給出了一種寬帶恆定束寬數字波束形成器的實現方案，計算機模擬結果表明了該方案的有效性。
  15. The work presented in this paper is carrying out to the theory research of dbf. the work includes : research of dbf algorithms, dbf antenna system composition and realization. the application of dbf algorithms used in high frequency ground wave radar for near ocean inspection and ocean situation remote sensor is also presented. at last, we give a effective scheme to implement broad - band constant beamwidth digital beam - former

    本文的主要工作是圍繞數字波束形成技術的理論研究，內容包括：數字波束形成演算法的研究，數字波束形成天線的系統構成和實現，以及將數字波束形成演算法應用於高頻地波雷達近海監測和海態遙感，最後給出了一種寬帶恆定束寬數字波束形成器的設計方案。
  16. 2. the two thoughts of designing constant beam - width beam - former are studied, and the least square method and spatial resample method to calculate the weighting coefficients of the array elements are analyzed and compared, and the constant beam - width beam - former is designed, both in frequency and time domains

    研究了寬帶恆定束寬波束形成器的兩種設計思想，並重點分析了計算陣元權系數的最小二乘法和空間重采樣法，比較了二者的性能，分析了恆定束寬波束形成器的頻域和時域實現原理。
  17. The beam former of array signal processing is a space filter

    陣列信號處理的波束形成器實質上是一種空域濾波器。
  18. 4. the effects of array mismatch errors on time domain wcbb based on ideal array model is thoroughly studied via computer simulations and water tank experiments

    利用計算機模擬和水池實驗，深入分析了陣列模型失配對基於理想陣列模型設計的時域恆定束寬波束形成器性能的影響。
  19. Computer simulation results show that the beamspace wsf algorithm retains the super performance of its element space counterpart when applied to the beam outputs of some practical acoustic - receiving array. 3. an improved form of classical time domain broadband beamforming is proposed by combining digital delay lines and fir filters

    提出了對經典時域寬帶波束形成器的改進方法，採用數字延遲線和fir數字濾波器結合的方式實現時域波束形成，以消除波束畸變並實時實現結構特殊的空間頻率響應。
  20. In the design of the adaptive beamforming, linear constrained minimum variance is the commonly used method. this paper studies an integral constraint beamformer to overcome the shortcoming in multi - point constraint beamformer that requires a large number of the degree of freedom in the weight vector

    另外，在自適應波束形成的設計中，線性約束的最小方差波束形成方法是一種常用的波束形成演算法，這種方法主要是根據不同陣列模型給波束形成器加不同的約束來調整陣列響應。
分享友人
分享到 Line

分享到臉書