相移天線 的英文怎麼說

中文拼音 [xiāngtiānxiàn]
相移天線 英文
phase displacement antenna
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. Every phased - array rader needs thousands of phase shifters, which control the phase of radiator elements in the antenna aperture surface to scan beams fast

    每部控陣雷達需要上千個器,才能控制孔徑面上各輻射單元的位變化進而實現快速掃描。
  2. To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied

    為提高比幅測向的精度,選用多通道體制,採取位延時估計法從頻域來估算方向圖系列的達到角,同時在具體的工程實現上對選取、信號的量化、去摸開關等進行優化,從而滿足指標要求。
  3. Based on the doppler effect and pulse coherence technique, synthetic aperture radar ( sar ) breaks through the azimuth resolution limitation imposed by real aperture antenna. in combination with the pulse compression technique, two - dimensional high resolution imagery to distant targets can be realized

    合成孔徑雷達( sar )利用以多普勒頻理論和脈沖參為基礎的合成孔徑技術,突破了實孔徑對方位向分辨力的限制,與脈沖壓縮技術結合,實現了遠距離目標的二維高分辨成像。
  4. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導比,脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點,使其得到了越來越多的應用,例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、器、脊波導縫隙陣等等。
  5. 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,從而使控陣及其基本元件器的研究獲得了廣泛的重視。
  6. Single beam focusing lens antenna is the basis and crux of the multiple beam focusing horn lens antenna. only adequately and accurately analyzing focal area ’ s position and resolution, consider the influence when horn feed ’ s position is displaced to different location, we can design multiple beam focusing horn lens antenna

    單波束點聚焦透鏡是多波束聚焦透鏡的基礎和關鍵,只有充分精確地分析了單波束點聚焦透鏡解析度大小和焦斑位置,以及單個波束的偏產生的應影響,才能設計多波束聚焦透鏡
  7. Mouse control antenna baby mobile click the left mouse button to move blocks, put blocks into place at least four slabs can be linked to elimination

    鼠標控制寶寶動,點擊鼠標左鍵搬磚塊,把磚塊放到適當位置使至少4塊磚連即可消去。
  8. The key for phased array antennas with good functions is the use of controllable phase shifters. however, phase quantization errors affect the accuracy of phased array antenna beam pointing badly, which is mainly researched here

    其中可控數字器的使用,是控陣優越性能實現的關鍵,但由此引入的位量化誤差,嚴重影響了控陣的波束指向精度。
  9. However, the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect

    但是,基於器的普通控陣在進行寬帶寬角掃描時,由於渡越時間和孔徑效應的影響,使信號的瞬時帶寬受限。
  10. The smart antenna, which is adapted in the wireless mobile communication system, in fact, forms an antenna with a high gain. thus communication in all directions can be proceeded, then base station antenna coverage, system capacity and service quality are improved, also inter - symbol interferes and multi - access interfere are reduced. the space division multiple access ( sdma ) is introduced, and users can be distinct from each other through their special location

    在無動通信系統中採用智能技術,實際上是通過數字信號處理,使陣為每個用戶自適應地進行波束賦形,當于為每個用戶形成了一個可跟蹤它的高增益,從而即可以進行全方位通信,也可以用較小的發射功率覆蓋同的范圍以及提高系統容量和業務質量、降低用戶間的碼間干擾和多址干擾。
  11. Bringing into play the communication market resources in hangzhou bay, the park devotes itself to the formation of a “ mobile valley ”, which means a unique zhejiang - flavored economic pattern : forming a complete telecommunication industry chain from software and operation development of key parts, such as ic chip, rf modules, base band, display, high capacity battery, to related components like cell phone housing, keypad, antenna, vibration motor, mould, pcb ( circuit board ), photoelectricity device, electronic device, connectors and system and software development, and operation service development

    園區依託杭州灣通信市場資源,致力打造「動谷」 ,創造中國浙江經濟特有的專業版塊模式:從集成電路晶元、 rf組件、基帶、顯示器、高能電池等核心器件到接手機外殼和按鍵、、振動馬達、模具、 pcb (電路板) 、光電器件、電子器件、連接件等關組件及系統和軟體開發、運營服務開發,形成完整的通信產業鏈。
  12. Wire antennas are still very popular on vehicles, ships and aircrafts. they are easily to be interference sources and sensitive bodies. in our calculation we must take account of the mutual coupling between wire antennas when they are very close

    動通信系統中被廣泛地應用,它作為許多機載、艦載、衛星、通信電子設備中電磁能量的發射和接收埠,最有可能成為輻射干擾的干擾源和敏感體,特別是當靠得很近的時候,必須考慮互之間的互耦。
  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

    控陣利用器補償信號到達輻射單元時間的差異,從而控制波束方向;沒有機械旋轉問題,只需改變器的設定值,波束便可以在毫秒級內掃描其覆蓋空域內的任何地方,提高了對目標的跟蹤速度,是目前武器系統的發展方向。
  14. In the purpose of enhance the circular polarization, the sub - array have used a phase transfer circuit which made each patch have 90deg phase difference in turn. matching branches are added to the full array to enhance the bandwidth of the antenna

    在4單元子陣的設計過程中採用了電路,使4單元間的位依次差90 ,展寬了的圓極化軸比帶寬。
  15. 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

    對電掃描控陣來說,雙模互易式鐵氧體器的互易特性可使收、發在同一特定波束位置上工作;此外,雙模互易鐵氧體器可以在極化、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。
  16. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力的角度直觀地描述了脈沖電磁波的輻射過程,然後進一步從場與電荷互作用的角度分析了上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的和局部彎曲的進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益
  17. In the earth displacement respect of real - time supervisory control, the control system of gps multi - antennae will change the traditional method of a gps receiver connecting to a gps antenna, and implement data collection by the method of a gps receiver and multi - antennae

    在大地位實時監測方面, gps多數據控制系統( gms )改變了一臺gps接收機與一個gps連的傳統做法,採用1機多的方法實現gps數據的採集。
  18. Several key factors such as signal fading and multi - path effect are further analyzed and simulated. summarizes smart antenna algorithms for cdma mobile terminal

    在總結應用於cdma動終端的智能演算法基礎上,提出一種利用接收信號與期望信號關特性的新型智能演算法。
  19. The previous discussion addressed the theory required to compute the relative phase shift between adjacent radiating elements in order to position the beam of an array - type antenna to a specific angle off of the antenna boresight axis

    前面的討論中給出了計算使陣列的波束視軸一個給定角度所需的鄰單元間的理論。
  20. Abstract : the single toroidal non - reciprocal ferrite phase shifter that isthe key components of a phase array antenna is studied to develop the phase array antenna for autotracking synchronous communication satellite

    文摘:為了研製自動跟蹤同步通信衛星平板陣系統,對控陣中的關鍵元件單環非互易鐵氧體器進行了研究。
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