波束掃描 的英文怎麼說

中文拼音 [bōshùsǎomiáo]
波束掃描 英文
beam scanning
  • 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;...
  • 掃 : 掃構詞成分。
  • 描 : 動詞1. （照底樣畫） copy; depict; trace 2. （在原來顏色淡或需改正之處重復塗抹） retouch; touch up
  • 波束 : wave beam; beam; wave packet波束空間 [半] wave number space
  1. Secondly, this paper illustrated the nonlinear phase dynamic theory of the aia array and the application of it to power - combining and beam - scaning technique. according to these theories, the coupling parameter of nearest neighbors was found by experiment, then the two - element and three - element aia array were designed, and the result of measurement was in agree with that of the nonlinear phase dynamic theory, and the beam - scaning of two - element array was realized by tuning the free oscillation frequency of the elements

    其次，本文討論了有源集成天線陣列的非線性相位動態理論以及它在功率合成和波束掃描方面的應用，包括同步工作條件、穩定條件和相位動態方程等，通過實驗確定了陣列中相鄰單元間耦合參數，並將之運用於有源集成天線二元陣和三元陣的設計，實驗結果與理論結果吻合較好。
  2. Scanned beam current

    掃描波束電流
  3. 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。
  4. As the vital development of the millimeter wave guidance technology, phased array antennas use electrical control scanning beam, which results to faster scanning velocity, more flexible beam control and higher anti - interference ability. thus it can realize target seeking, tracing, guidance at the same time, and can work in the complex and worsening condition

    作為毫米波制導技術的一個重要發展方向，相控陣制導技術中的相控陣天線是採用電控方式掃描波束，掃描速度快、波束控制靈活、抗干擾能力強等，可以同時完成目標搜索、跟蹤、引導等多項功能，能工作在日益復雜和惡化的工作環境中。
  5. 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。
  6. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈方程，分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析，推導了天線方向圖旁瓣包絡、波束寬度，干凈掃描區寬度的估計公式，給出了近軸旁瓣電平與陣列參數的關系。
  7. In such devices, it is desirable to have a high dielectric tunability in a certain electric field range, where tunability is defined as the variation of dielectric constant with respect to the applied voltage

    自上世紀50年代以來，用電控的方式進行波束掃描的方法得到了迅速發展，從而使相控陣天線及其基本元件移相器的研究獲得了廣泛的重視。
  8. 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。
  9. Study on the laser scanner is very important since fluctuate of rotating speed of the motor, wobble of the shaft of the laser scanner, tremble introduced by motor changing phase, shake generated out of dynamic balance, turbulence introduced by the deflector rotating at high speed have an influence on rotating shaft and light beam so as to decrease quality of the laser imagesetter

    轉速的波動、掃描器主軸的晃動、電機換相過程中的抖動、動不平衡產生的震動、轉鏡高速旋轉產生的湍流對轉軸和光束的影響等諸多因素，直接影響激光照排的質量。所以，對轉鏡式激光掃描器的研究有十分重要的意義。
  10. The radiation patterns with and whitout radome are calculated, and the angle difference in the maximum field point of their main clot show the bse of the radome, the bse from - 15 degree to 15 degree in direction, that been calculated and compared with the excited experimented data shows they coincide quite well

    有天線罩時的遠區場和沒有天線罩時的遠區場相比較，兩個主波束對應的角度差即是天線罩的瞄準誤差，本文對方位掃描角從負15度到正15度進行分析。
  11. The text introduces the theory of the radar antenna " s scan wave by adopting the method of using wave width to describe antenna radiate direction fig

    本文介紹了雷達天線的掃描波束理論，採用了用波束寬度描述天線輻射方向圖的方法。
  12. To receive energy transmitted in a steered beam by any of the three scanning methods, the applied frequency, time, or phase relationships are maintained at each element, which has the effect of making the radar sensitive to energy from the direction of transmission

    仍然以每個單元接收通過三種掃描方法? ?頻率，時間，相位關系控制波束發射的能量，這使雷達對發射方向的能量敏感。
  13. With compensation of signal ’ s time delay from different radiating element by phase shifters, phased - array antenna can control array beam easily. because there are no mechanical devices for rotating beam, the phased - array antenna system can scan everywhere in beam covered areas in millisecand by stepping the phase shifters. it improves the tracking velocity of antenna towards the object, and becomes the development trends of weapon system antennas

    相控陣天線利用移相器補償信號到達輻射單元時間的差異，從而控制波束方向;天線沒有機械旋轉問題，只需改變移相器的設定值，波束便可以在毫秒級內掃描其覆蓋空域內的任何地方，提高了天線對目標的跟蹤速度，是目前武器系統天線的發展方向。
  14. Ultrasonic bio - instrumentation has several display modes used in medicinal field now, such as b - mode and m - mode, etc. b - mode uses the modulated brightness to represent the amplitudes of ultrasonic echoes, and the coordinates in the formed profiles correspond to positions of ultrasonic beam scans one by one

    B型顯示是用亮度調制來顯示回波脈沖幅度，顯示的橫軸和縱軸與聲束掃描的位置一一對應，形成超聲切面圖像。
  15. Linear array can only provide an azimuth scan ranging from 0 to 180 degree, while circular array from 0 to 360. by means of recurring moving array excitation, circular array controls the beams ’ orientation simply and neatly, creating a perfect pattern in azimuth and an ideal pattern in pitch

    線陣只能有180的掃描范圍，而圓形陣列能夠提供360方位角，通過循環移動陣列激勵，簡單而靈活地操縱波束的方位，能夠在方位上產生沒有方向性方向圖，而在俯仰方向上也有一個理想的方向特性。
  16. According to the reciprocal characteristic of dual - mcde reciprocal ferrite phase shifters, the antenna only requires to provide the sa : lle beams of operation between the trtinsmit and receive beams. in addition, 1he phased shifter can operate in various polarizations such as linear polarization or circular polarization, which is adiipted to the development of modern ra ( 1ar technologies

    對電掃描相控陣天線來說，雙模互易式鐵氧體移相器的互易特性可使收、發在同一特定波束位置上工作；此外，雙模互易鐵氧體移相器可以在線極化、圓極化等多種極化方式下工作，適應了現代雷達技術的發展。
  17. Popular automotive anticollision radar is required to measure the velocity and angle of its targets as well as range. therefore, the short - wavelength high - resolution millimeter wave is used, measuring range and velocity through fmcw scheme, measuring angle through multi - beam scanning

    通行的汽車防撞雷達採用了波長短、測量精度高的毫米波，以調頻連續波制式測量距離和速度，以多波束掃描的方式測量角度。
  18. 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。
  19. The using of dbs into the gmti mode of battlefield awareness radar adopting beam scanning may get the ground scene image at large area, at the same time, making gmti and marking the moving target on scene image. dbs is a kind of technique which improves the resolution of airborne radar

    把多普勒波束銳化（ dbs ）技術用於波束掃描的戰場感知雷達的地面動目標檢測模式，可以快速得到大面積的低分辨地面場景圖像，而且可同時進行地面動目標檢測，並把動目標標定到場景圖像上。
  20. Digital beam forming ( dbf ) is a kind of new technique which based on the antenna beam forming and the well - developed digit signal processing. the technique should convenient obtains high resolution and low sub beam by sufficiently utilizing of the space message received by array antenna. and make the technology of beam scanning, self - calibrating and adaptive beam should be realized easily

    數字波束形成（ dbf ）是在天線波束形成的基礎上，引入先進的數字信號處理方法后建立起來的一門新技術，這種技術可以充分利用陣列天線檢測到的空間信息，並易於獲得超解析度和低副瓣，實現波束掃描，自校準和自適應波束形成等。
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