波束中心 的英文怎麼說

中文拼音 [bōshùzhōngxīn]
波束中心 英文
beam center
  • 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;...
  • 波束 : wave beam; beam; wave packet波束空間 [半] wave number space
  1. Method of measurement of centre beam intensity and beam angle of reflector lamps

    反光燈的中心波束強度及波束張角的測量方法
  2. By processing the eoo terrain data of hefei, comparisons between the average value method and the largest value method indicate that the beam blockage coefficients calculated by using the average value method are smaller

    利用以合肥雷達站為中心的數字高程模式資料，對平均值法與最大值法進行了比較。結果表明：平均值法計算的波束阻擋系數小於最大值法的計算結果。
  3. The new technology of non - contact life - parameter detection is relative to that of the normal contact one, which uses microwave beams to illuminate the human subject, whose reflected wave will be modulated by the surface movement resulting from the physical activity. by this way, some parameters of the reflected wave, such as frequency and phase will be changed. if these changes can be detected, the life parameters such as respiration rate and heartbeat rate will be extracted from those changes

    非接觸生命參數檢測是相對于常規的接觸式檢測而言的一種新技術，它利用微波束照射人體，其回波信號被人體生命活動引起的體表微動所調制，使得回波信號的某些參數（如頻率、相位）發生改變，檢測到這些變化就能從中提取出人體的生命參數（如呼吸或心跳） 。
  4. Beam riding systems use a target tracker whose purpose is to maintain the antenna boresight pointing at the centre of the reflecting area of the target.

    波束制導系統使用一個目標跟蹤裝置，它的目的是保持天線視軸指向目標反射的中心。
  5. In order to analyze the effect of aberration of amplitude and phase of laser beam on centroid position of focal spot, based on the fraunhofer formula for light wave scaler diffraction theory, according to the definition of first order moment centroid position, the general expression of focal spot centroid position directly depending on the complex amplitude of near field is derived

    摘要為分析振幅和相位發生畸變情況下光束焦斑質心位置所受的影響，以光波標量衍射理論中的夫瑯和費衍射公式為基礎，根據光斑強度分佈一階矩質心位置的定義，推導了直接依賴于光束近場復振幅分佈的焦斑質心位置的一般表達式。
  6. So after the 2003 seminars, fellow initiates helped her complete the renovation of her home and finally set up a new group meditation center in bogota

    當這兩場講座結束后，我們協助瑪利亞師姊完成房子的整修工作，我們終于成立了波哥大共修中心。
  7. Real time seafloor tracking technique is the critical technique to ensure smooth seafloor surveying with full coverage and high efficiency. after detailed investigation on stochastic features of seabed reverberation produced by mbss systems, the author presented an algorithm and a set of relevant key coefficients for real time seafloor tracking, taking into account of characteristics of signal processing and timing sequence of the real system and introducing theorems of terrain surveying. as an achievement, a mathematical model was established based on the technique of centered filtering

    海底地形實時跟蹤技術是保證多波束測深系統實現高效率全覆蓋水下地形測量的核心技術，作者通過對多波束測深系統海底回波信號統計特性的研究，依據地形測量理論，並結合實際系統信號處理的技術特點和處理時序，提出了實現海底跟蹤控制的關鍵參數及計算方法，建立了基於中值濾波技術的海底地形實時跟蹤數學模型，並開發出實時地形跟蹤專家系統，該系統經多次海上實驗驗證表明：理論正確、方案可行，取得良好效果。
  8. The theoretical analysis shows that mz - ifog can be used to detect the rotation rate of moving objects. a systematic analysis of transfer characteristics of mz - ifog is made. performance - limiting factors, including the path - length difference, the disturbance of temperature fluctuation and stress from working environment, the quality of light source, are all discussed along with methods to reduce their effect on the output signal

    本文用系統的方法分析了mz型干涉式光纖陀螺儀的光傳輸特徵，指出了其較大的非互易性因素-臂長差的存在，分析了工作環境因素（溫度，應力） 、光源質量（輸出光束中心波長、光功率波動及偏振態波動）對系統工作性能的影響，並指出了減少系統非互易因素、抑制噪聲、提高檢測穩定性的措施。
  9. Firstly, the study of real two - channel data recorded by the airborne battlefield radar is made based on the methods of gmti, which including the study of methods of two - channel equilibrium, that of the precious estimate of beam scanning angle, that of the doppler center, that of the compensation for pattern error and that of gmti and that of location of the moving target using the phase - comparison mono - pulse method

    首先，結合動目標檢測方法，對機載遠程戰場偵察雷達實驗系統錄取的雙通道數據的處理進行了研究。內容包括兩通道均衡方法研究，波束掃描角精確估計方法研究，多普勒中心估計方法研究，方向圖誤差補償方法研究，動目標的檢測和干涉定位方法研究。
  10. The result demonstrates that the variable phase center of fish antenna is much more steady than the lpda in the main beam

    計算結果表明魚骨天線在主波束相當寬的范圍內，其可變相位中心的穩定度要優于對數周期偶極子天線。
  11. On the other hand, we give the condition of correctly solving range ambiguity and performance calculating formula of for stagger frequency difference ; condition of constraint for deciding stagger parameter value ; range " s analysis result for targets with multiple scattering centers or low altitude. this part includes chapter 2, 3, 4, 5

    另外，我們還給出了參差比相測距正確解模糊的條件以及參差測距下的性能公式；提出了決定參差參數取值的約束條件；給出了多散射中心目標和低空目標的多頻連續波測距性能的結論。
  12. Study on sar satellite beam directivity of antenna jitter

    衛星天線擾動對波束中心指向的影響
  13. This thesis describes a all fiber optic accelerometer based on t - g double beam interferometer, the whole system include a coherent source whose wavelength is 1310nm, a flexural optic fiber disk act as sensing unit, photodetector, piezoelectric ceramic act as a phase modulator and signal processing circuit. the all fiber optic accelerometer described in the paper has many desirable engineering features which include : broad frequency response ; high sensitivity to measurands ; antielectromagnetic interference and small size

    本課題研究的是一種基於泰曼-格林（ t - g ）雙光束干涉儀原理的光纖加速度計，系統主要包括：中心波長為1 . 31 m的ld相干光源、起傳感作用的光纖柔性盤、光探測器（ pin ） 、相位調制用的壓電陶瓷以及信號處理系統。
  14. 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。
  15. In the early 70 " s, the usd - centred international currency svstem collapsedo and the majority of western countries began to carrv out the floating - rate svstem. thus the rate fluctucates frequently subject to no limits. for example, the l ' sd rate once jumped to a very high point and then dropped down again during the 80 " s

    70年代初期，以美元為中心的國際貨幣體系崩潰以後，西方主要國家先後實行了浮動匯率制度。從此，匯率的變化不再受什麼約束，波動頻繁。比如1985年2月以後的三、四年間，美元匯率從高峰急劇而持續下降，貶值達50以上， 1989年又一度大幅回升。
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