circular antenna 中文意思是什麼

circular antenna 解釋
環狀天線
  • circular : adj 1 圓的，圓[環]形的。2 循環的；巡迴的。3 通告的，環游的；供傳閱的。4 夥伴的，團體的。5 【邏輯...
  • 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. The circular monopole antenna is a kind of miniaturized and easy - feed ultra - wideband antenna

    本課題所研究的圓盤單極天線是一種小型化、饋電簡單的超寬帶天線。
  3. High gain circular waveguide antenna using 1 - d electromagnetic band - gap structure

    結構的圓波導高增益天線
  4. A circular polarization microstrip antenna with the shape of polygonal

    正多邊形貼片圓極化微帶天線
  5. Optimization design of dual - feed circular polarization patch antenna based on feeding correction

    用饋電校正優化設計雙饋點圓極化微帶天線
  6. The circular monopole ultra - wideband antenna has not only the extremely wide band in frequency domain, but also stable phase center, which makes the antenna radiate and receive the short pulse signals without any distortion, and suitable for various ultra - wideband communication systems or the single antenna of other multi - frequency operating communication systems

    這種天線不僅具有極寬的阻抗帶寬，還擁有穩定的相位中心。這使得圓盤單極超寬帶天線可以不失真地收發時域短脈沖信號。所以該天線不僅適用於超寬帶通信中，還能夠作為復雜多頻工作系統的單一收發天線。
  7. 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單元天線子陣的設計過程中採用了移相電路，使4單元間的相位依次相差90 ，展寬了天線的圓極化軸比帶寬。
  8. To study the resonant characteristics of eccentric circular and concentric circular - elliptical ring microstrip antennas, the method, which is connected with the concentric ring microstrip antenna and based on the perturbation, is employed to calculate resonant wave numbers. comparisons of calculations with reference for the fundamental mode are also presented, agreement is very good for small eccentricity

    為研究偏心圓環及同心圓-橢圓環微帶天線的諧振特性，運用了一種以對同心圓環微擾為基礎的計算方法，計算的諧振波數值與參考文獻作了比較，在小偏心率的情況下，一致性很好。
  9. Genetic algorithm assisted beamforming algorithm for circular antenna array

    基於遺傳演算法的圓形天線陣波束成形演算法
  10. 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。
  11. Design of a circular smart antenna array and its calibration network

    一種圓形智能天線陣列與校正網路的設計
  12. A new topology of antenna array named arcuate array is proposed. as the analysis shows, the arcuate array has its particular advantages, and the linear array and circular array can be unified into arcuate array family

    接著提出了弧形智能天線陣列結構，分析了弧形陣列的獨特優點，並把直線陣和圓陣統一到弧形陣列結構體系中。
  13. Shape adjustment on ground of circular - truss deployable antenna

    周邊式桁架可展開天線基於地面的網面調整
  14. In this paper we focus on the superdirective circular array antenna

    本文中我們選取超方向性圓陣列作為我們的研究對象。
  15. 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。
  16. 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。
  17. Secondly, a microstrip antenna used in portable reader and the two novel tag antennas which are a dual - band dipole antenna and a circular polarized microstrip antenna are developed

    提出並研製了新型的雙頻段（ 900mhz / 2 . 4ghz ）電子標簽天線、圓極化微帶型標簽天線以及便攜式讀出裝置用微帶天線。
  18. The system solves the problem of information transmission by using microwave communication including heights design of microwave antenna to ensure the power of communication. the author studies the theory of malfunction control, and to control the system by the circular code system and to use error control by redundancy method, to ensure the reliability of the communication

    系統採用微波通信技術解決信息傳輸的難點，從天線高度設計、冗餘法差錯控制，循環碼制選擇等方面保證通信的可靠性，採用沖突避演算法防止通信沖突，使系統有序地進行工作，並充分地利用了通道，也提高了工作效率。
  19. In this thesis, the overall scheme is to establish a circular array system which is formed from units of parabolic antenna. then, the resultant field will be detailed studied, in order to find out a steady - going array antenna system with the best combined efficiency

    本文的主要內容是，利用拋物反射面天線組成圓形陣列，並對該天線陣列的空間合成場問題進行研究，力求在實際應用中得到穩定的、合成效率達到最優的空間合成場。
  20. Linear array and circular array are the two commonest types in adaptive antenna arrays

    線形陣列和圓形陣列是自適應天線中最常見的兩種陣列。
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