phased-array antenna 中文意思是什麼

phased-array antenna 解釋
相控陣天線
  • array : vt 1 打扮,裝飾。2 使…列隊,排列。3 提出(陪審官)名單,使(陪審官)列席,召集(陪審官)。n 1 整...
  • antenna : n. (pl. -nae , antennas)1. 【動物;動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  1. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測角原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、圓形陣等簡單形式的相控陣天線,推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。
  2. 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

    每部相控陣雷達需要上千個移相器,才能控制天線孔徑面上各輻射單元的相位變化進而實現快速掃描。
  3. In addition to the conventional techniques such as low sidelobe antennas and displaced phased center antenna ( dpca ), there has been great interest in space - time adaptive processing ( stap ) because it can suppress clutter effectively and improve the detection performance of airborne phased array radar evidently

    除了採用低副瓣天線、偏置天線相位中心( dpca )等傳統雜波抑制技術,能夠有效提高機載相控陣雷達地雜波抑制能力和動目標檢測性能的空時二維自適應處理( stap )受到了廣泛關注。
  4. " with the developme1lt of the phased array antenna system, it is very important to research on various phase shifters, particularly on a duai - mode latching reciprojal ferrite phase shifter

    隨著相控陣雷達技術的應用發展,各類移相器的研製工作越來越重要,其中雙模互易鐵氧體移相器由於其獨特的優點而得到廣泛應用。
  5. This thesis in combination with the actual engineering demand, analyzes and designs a horizontally polarized triangular - grid planar phased array antenna, which composed of open - ended rectangular waveguide, the main steps of analyzing and designing are as follows : 1. at first, taking no account of mutual coupling among the array elements, classical electromagnetic theory is used to establish analyzing model for finite array, and initial value parameters of the array structure which basic satisfy the design index are got, these parameters provide reference for subsequent analyzing and design

    本論文結合實際工程需要,分析和設計了一個採用水平極化方式的三角形柵格矩形波導相控陣天線,其主要步驟如下: 1 .首先,在不考慮陣列單元間互耦影響的情況下,採用經典電磁理論建立有限陣列分析模型,通過分析得到了基本滿足設計指標的陣列結構參數,為后續的分析、設計提供參考。
  6. 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

    其中可控數字移相器的使用,是相控陣天線優越性能實現的關鍵,但由此引入的相位量化誤差,嚴重影響了相控陣天線的波束指向精度。
  7. Testing method for phased array antenna

    相控陣天線測試方法
  8. Method for improving the beam - steering accuracy of phased array antenna

    提高相控陣天線波束指向精度的方法
  9. Especially, designing conformal phased array antenna in such high frequency is a challenge subject

    尤其在毫米波段這樣高的頻率下設計共形相控陣天線是具有挑戰性的課題。
  10. 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。
  11. With this method, the receiving signal of the probe is measured with a fixed distance of phased array antenna and the probe. experimental data is disposed by mathematic algorithm, thus amplitude and phase in each channel is determined in any disposing - phases status. all the patterns can be recovered only through a test result

    該方法中相控陣天線和測量探頭均保持固定,測量相控陣天線不同配相狀態下探頭接收信號的幅相,用數學演算法對試驗數據進行處理即可確定任意配相狀態下各通道的激勵幅相,進而所有的方向圖根據一次試驗結果就能夠復原。
  12. The directivity coefficient of the phased array antenna has been generalized and discussed. according to the formulations of microstrip antenna design theory, planar and cylindrical microstrip patch cell has been analyzed. we can conclude that the cylindrical microstrip patch cell has the performance of high gain, low thickness, high resonant frequency, uniform directivity diagram, and easy fabrication on missile body, so it is a good choice

    本文根據微帶天線設計理論,分析了平面和柱面兩種微帶貼片單元,其中柱面微帶貼片單元增益高、厚度小、諧振頻率高、方向圖均勻,且較易加工製作在彈體上,適合在相控陣天線中做共形輻射單元。
  13. Key technologies are first introduced here such as the phased array antenna theory, dbf ( digital beam forming ) theory and the configuration of transmit and receive ( t / r ) modules. then part of analog circuitry is optimized with the digital technology. cell circular microstrip disk antenna successfully developed based on the theory of microstrip antenna, the four - celled circular microstrip disk antenna arrays are designed, simulated and analyzed with eda tools - hfss, opt1metrics

    本文以相控陣雷達組成為主軸,逐一對相控陣雷達關鍵技術中的天線陣原理、數字波束形成( dbf )技術和收發( t r )組件組成進行詳細的分析,利用數字技術對傳統相控陣雷達設計方案中的模擬電路部分進行改進;在理論設計單元圓形微帶貼片天線單元的基礎上,利用微波模擬軟體hfss和optimetrics對四單元的圓形微帶貼片天線陣進行設計與模擬;對相控陣雷達的幅相監測技術進行理論分析和討論,選擇最佳的幅相監測方案。
  14. The ferroelectric materials for their excellent dielectric, piezoelectric, ferroelectric, pyroelectric, electro - opticial, phonon - optic and nonlinear polarization properties have been widely applied in many fields especially in microwave tunable devices, such as phase shifter in phased array antenna, resonantor and filter etc. as far as microwave tunable dielectric materials, barium strontium titanate ( bst ) and its doped series have been investigated intensively, which have about 50 % tunability

    鐵電材料具有優良的介電、壓電、鐵電、熱釋電、電光、聲光及非線性極化等特性,在多種領域有著廣泛的用途。利用其非線性極化特性能制備微波可調元器件,如相控陣天線上的移相器,諧振器,濾波器等。
  15. Particular mathematic analysis is made about the characteristics and modeling methods of phased array antenna, especially of the density - weighted antenna. theory analysis and simulation are made about the circular ? caliber weight, circular - tylor distribution and bayliss circular ? caliber weight

    相控陣天線部分是整個雷達系統的關鍵環節,天線方向圖模擬的準確與否直接影響到整個雷達系統模擬的準確性和精度。
  16. Waveguide aperture phased array antenna is analyzed using the transparent source technique and the auxiliary fields fdtd. a method to calculate triangular lattice array is put forward

    有源結構中以波導口徑相控陣天線為例,將透明源技術與輔助場fdtd結合起來,並提出了一種分析三角形柵格陣列的方法。
  17. Phased array radar is a detective system with multiple function, high reliability and adaptive ability, spatially the rapid scan and beam shape change characteristic of phased array antenna made its application more and more abroad

    相控陣雷達是一種具有多功能、高可靠性和自適應能力的探測系統,尤其是相控陣天線所具有的波束快速掃描能力和波束形狀快速變化能力等優點,使得相控陣雷達得到了越來越廣泛的應用。
  18. The digital beamforming ( dbf ) of the phased array antenna is a key technology of the smart antenna

    陣列天線的數字多波束形成技術是智能天線中的一項重要技術。
  19. Abstract : thermal design of phased array antenna is always the key of phased array radar ' s design, it directly affects reliability and performance of radar

    文摘:相控陣雷達天線的熱設計,一直是相控陣雷達方案的關鍵,熱設計的成功與否將直接影響雷達的可靠性指標及電性能。
  20. Several critical technologic problems of simulation system of phased array radar are discussed in this paper, firstly, transmission and processing procedure of signal in the phased array radar system are analyzed and the simulation systemic modular structure of phased array radar is founded. and the collectively simulation procedure are discussed. among all parts of whole phased array radar system, the phased array antenna is the most critical one, because the veracity and accuracy of the radar system simulation is directly influenced by it

    本文針對相控陣雷達模擬系統中的幾個關鍵技術問題進行了探討,研究了相控陣雷達的結構、組成及信號在相控陣雷達系統中的傳輸、處理過程,在不影響模擬精度的前提下,進行了適當的簡化和替代等效,構建了模擬系統的模塊化結構,並分析研究了相控陣雷達系統模擬的總體流程。
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