收斂射束 的英文怎麼說

中文拼音 [shōuliǎnshèshù]
收斂射束 英文
convergent beam
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 斂 : Ⅰ動詞1 （收起; 收住） hold back; keep back 2 （約束） restrain 3 （收集; 徵收） gather; collect; ...
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 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;...
  • 收斂 : 1 （減弱或消失） weaken or disappear 2 （約束言行） restrain oneself 3 [數學] convergence; constr...
  1. 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。
  2. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值迭代收斂準則和輸出功率，用fox - li迭代法求出反射鏡上實際的光強分佈和熱源，得到鏡面的位移變形和單程附加相移，以zernike多項式擬合單程附加相移，分別用迭代法和幾何法計算了腔鏡變形時的腔模光場，建立了光學元件對光束質量影響的評價因子，研究腔鏡冷卻效果和冷卻方式，對輸出耦合鏡的變形進行了分析。
  3. The simulation results show that the throughput of proposed method converges to that of eigen - beamforming when the number of users in a cell is large

    模擬結果表明，當小區內的用戶數足夠多時，所提出的方案獲得的系統吞吐量將收斂于在發射端使用特徵波束成形矩陣的吞吐量。
  4. In the aspect of detection and high precision estimation of seafloor backscattering, algorithms of fast convergence of energy center and correlation of eigen - replica were developed. also studded were processing methods of weighted mean time ( wmt ) and bearing direction indicator ( bdi ) based on fft beam forming as well as high precision detection and estimation of time of arrival ( toa ) and direction of arrival ( doa ) using split beams phase difference detection technique

    圍繞海底反向散射信號的高精度檢測和估計技術，開發了快速能量中心收斂演算法和特徵模型相關演算法，研究了基於fft波束形成的加權時間平均與方位指示處理方法，並討論了利用分離波束相位差檢測技術的海底反向散射信號到達時間（ toa ）和到達方向（ doa ）的高精度檢測與估計方法。
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