雷達波束 的英文怎麼說

中文拼音 [léidábōshù]
雷達波束 英文
radar beam
  • 雷 : 1. （雲層放電時發出的響聲） thunder 2. （軍事上用的爆炸武器） mine 3. （姓氏） a surname
  • 達 : Ⅰ動詞1 （暢通） extend 2 （達到） reach; attain; amount to 3 （通曉; 明白） understand thoroughly...
  • 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;...
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  • 波束 : wave beam; beam; wave packet波束空間 [半] wave number space
  1. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析，給出了更為嚴格的約束條件，保證了信號處理后距離譜峰值的唯一性。最後，分別介紹了fmpcw和fmicw信號的不同處理方式，並對兩者不同的時域濾波性能進行了比較，並對二者的差異進行了分析。
  2. There are not only beam - slanting but also large blind zone near the zenith in the two - axes radar used in the present

    現有的艦載兩軸雷達由於受到船搖的影響，不僅波束傾斜，而且天頂附近有很大的跟蹤盲區。
  3. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章對虛假圖像干擾進行了研究，通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較，推導了干擾信號的生成公式，對干擾信號的特徵作了詳細的分析，並結合實測數據做了模擬實驗。
  4. A radar beam picks out the moving target and stays with it all the time.

    雷達波束能辨認出活動的目標，並一直跟蹤該目標。
  5. Phase array radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction. therefore, phase array radar is fit for the necessity of combat readiness

    這種雷達通過電的方式控制天線孔徑面上各輻射單元的相位變化，以實現波束的快速掃描，使其具有靈活、變化快速、多功能等優點，適應戰備需要。
  6. 4 a block diagram of phased array radar used which is used to measuring the distance, velocity and azimuth of the object in the horizontal plan and the highness in the vertical plane

    4給出了水平方向採用二維譜估計技術測距離、速度和方位，垂直方向採用波束掃描測高的小型車載相控陣雷達系統框圖。
  7. Parabolic antenna in a widely used is tracking antenna area, by use the optimum design, it may produce a very narrow beam, it ' s tracking precision is high, but because it ' s beam width is very narrow, the searching target is very difficult

    摘要拋物面天線是火控雷達中普遍使用的一種跟蹤天線，通過系統優化設計，可以形成很窄的波束，所以其跟蹤精度很高，因為其波束很窄，所以搜索發現目標困難。
  8. Firstly, the methods to restrain the effect of ship swing are studied for two - axes shipbome radar. two different methods based on ship rectangular frame and inertial frame are proposed separately according to consistence of radar base angle and beam angle

    本文首先研究了艦載兩軸雷達系統抑制船搖的方案，對雷達天線轉角和波束轉角一致和不一致的情況，分別提出了基於甲板坐標系穩定和基於大地坐標系穩定的不同方法。
  9. In actual radar antenna design several thousand elements could be used to obtain a high - gain antenna with a beam width of less than two degrees

    實際的雷達天線設計為擁有數千個單元能夠獲得高增益使波束寬度小於2度。
  10. 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。
  11. The phase shifter, as a important component in transmit / receive ( t / r ) module of phased array radar, steer the electronic beam for inertialess scanning

    移相器是相控陣雷達發射/接收（ t / r ）組件的重要組成部分，用來控制雷達波束的無慣性電掃描。
  12. In airborne synthetic aperture radar ( sar ), antenna stabilization platform is used to isolate antenna pointing, which is stabilized through controlling the platform axis ' rotation, from the vehicle ' s varying attitude and dynamical vibration

    摘要機載合成孔徑雷達中，天線穩定平臺用於隔離載機的姿態變化和機械振動對天線指向的影響，並通過伺服系統控制平臺支承軸的轉動穩定波束指向。
  13. 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。
  14. Optimal antenna radiation pattern integration for multi - beam forming in high frequency radar

    高頻雷達多波束最優天線方向圖綜合
  15. Application of dem and gis to simulation of airborne radar signal

    在機載雷達波束內信號模擬中的應用
  16. The missile "rides" the beam; that is, it follows the radar signal until it hits the target.

    導彈就駕馭著該波束，即跟著雷達信號直到擊中目標為止。
  17. In this paper ， an optimal search strategy by dividing the whole surveillance area into regions is presented so that the optimal search can be adaptively implemented in phased array radar. firstly ， the inherent relationship among average discovering time ， radar resources consumption ， search frame period and target distribution density is studied. secondly ， parameters for the region search are optimized to achieve the optimal search performance inside regions. then ， the optimal search frame period for each region is derived to minimize the average discovering time of targets ， where the constraint of radar time resource and the importance of each region are taken into account. finally ， the adaptability of this search strategy is discussed. only if the optimal parameters for each region are utilized and the beams are scheduled according to the optimal frame period under the radar time constraint ， the optimal distribution and the optimal scanning sequence of beams can be implemented adaptively. thus ， optimal search is adaptively implemented in the whole surveillance area

    本文提出一種分區搜索演算法，實現了相控陣雷達的自適應最優搜索.首先，研究了各區域平均發現一個目標消耗的雷達資源和目標被發現的平均時間同搜索幀周期以及目標強度的關系；然後，研究了在各區域採用兩步搜索演算法的最優參數設計，實現了局部區域的最優搜索；其次，在雷達時間資源有限和區域重要性加權的約束條件下，導出了使目標被發現的平均時間最小的區域最優幀周期；最後，討論了分區搜索演算法的自適應性.只要採用各區域的最優參數，按最優幀周期調度雷達波束，就可以自適應地實現使目標被發現的平均時間最短的波束的最優分佈和掃描順序，即自適應最優搜索
  18. The wall is easily detected from space by radar because its steep, smooth sides provide a prominent surface for reflection of the radar beam

    城墻很容易被雷達探測到，因為城墻的豎直光滑的平面提供了一個反射雷達波束的突出表面。
  19. The following figures show the + / - 120 - degree coverage of the radar scan relative to your nose. the radar beam sweeps back and forth from your 8 o ' clock to your 4 o ' clock position

    下圖標明了雷達在機頭+ / - 120度掃描的覆蓋范圍。雷達波束在8點和4點之間來回掃描。
  20. In this paper, grounded on the project of “ 973 ”. it includes specifically the study on the signal processing, and to multiple move targets resolving. plentiful simulations are presented to testify the validity of these techniques

    本文結合973項目，基於現代信號處理方法對雷達波束內多目標分辨方法進行了比較深入的研究，並進行了大量的模擬實驗。
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