array antenna system 中文意思是什麼

array antenna system 解釋
陣列天線系統
  • 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〉。
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. Realization of adaptive antenna array simulation system using matlab

    實現自適應天線陣模擬系統
  2. Because of its special antenna structure, testing the antenna ’ s performance is necessary to prove its theory. auto measurement system of cfa array annates can measure the annates ’ s amplitude - phase character and resistance matrix quickly and effectively

    艦載超視距雷達使用交叉場天線cfa ( crossedfieldantenna )作為陣列天線陣元,由於其特殊的天線結構,對其特性的理論研究也需要測量數據來驗證。
  3. " 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。
  4. Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference

    用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈,用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式,舉例說明了互耦對陣列天線性能的影響,數值模擬了在弱干擾和強干擾下,互耦造成系統性能下降的情況並分析了原因。
  5. Electronic scan array is a new antenna system on the foundation of array antenna adapt to the requirement

    相控陣天線正是適應這種要求,在陣列天線基礎上發展起來的一種新的天線體制和技術。
  6. 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。
  7. Abstract : by comparing the channel capacities hetwem orthogonal space - time block coding and multi - antenna array system over rayleigh fading channel, some capacity loss for orthogonal space - time block coding is obtained, which is a function of the code rate, the rank of channel matrix and the number of transmitter and receive antennas, although the system of orthogonal space - time block codes is simple and easy to implemented. if is also shown that there is no capacity loss only if both the code rate and the channel matrix rank are all one

    文摘:在研究瑞利衰落條件下正交空時分組編碼通道容量的基礎上,將其與多發送多接收天線系統的通道容量進行了比較.比較結果表明,正交空時分組碼雖編碼簡單,易於實現,但在通道容量方面存在較大的損失,損失的程度與編碼碼率、通道矩陣的秩及收發天線數等因素有關.進一步研究表明只有當編碼碼率和通道矩陣的秩都為1時,才沒有通道容量的損失
  8. Partial adaptive digital beam forming has the potential for improved time - energy management, and reduced life - cycle costs, and reduced complexity of adbf system, especially in large array antenna used thousands of sensors. this dissertation was part of the national ' s array radar project

    對于大型空時自適應陣列天線,採用部分自適應技術( padbf ) ,可以降低陣列自適應演算法的復雜性,產生較快的自適應響應,同時也可極大的降低系統硬體成本。
  9. As an example, an off - loading equipment for 10 meter deployable panel array antenna is described in detail, including system design, active function and key components developing

    最後以10米平面陣式可展開天線的零重力展」開設備研製為例,詳細介紹了系統的總體設計、系統組成、工作原理及關鍵設備的研製。
  10. Firstly, the work principle of staring laser detection optical system is introduced, and the relation between optical antenna ’ s amount and fov in laser warning system of optical antenna array is deduced

    首先闡述了凝視型激光輻射探測光學系統的工作原理,推導了光學天線陣列激光告警系統中光學窗口數與光學單元視場角應滿足的關系。
  11. The smart antenna array calibration is one of the key techniques which are able to improve system performance

    智能天線陣列校正技術是保證wcdma系統性能的關鍵技術之一。
  12. It demonstrates the general project of vehicles mutual moving - state detection and control system, which use a frequency modulated continuous wave ( fmcw ) radar with the antenna replaced by a frequency scanning array as the basis of detecting sensor

    文中闡述了汽車相互運動狀態監控系統的總體方案,使用調頻連續波( fmcw )雷達作為探測傳感器的基礎,並在天線部分作了改進,採用了獨立的頻率掃描天線。
  13. In this paper, we use method of array signal processing, analyze the continuous aperture antenna, modify the parabolic antenna to a new antenna system that possess the functional of the searching and tracking

    利用陣列信號處理方法,對連續口徑天線進行分析,將拋物面天線改進成為一種集搜索、跟蹤於一體的新型天線。
  14. 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。
  15. 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。
  16. Firstly, a novel four - element retrodirective array is designed, based on dual - polarization microstrip array antenna technology and phase - conjugating mixers technology. secondly, a simple, effective testing system is designed and set up, by which the array ’ s monostatic and bistatic radar cross section ( rcs ) are tested

    本文所採用的技術和方法,新穎、簡單、易實現,適合具體的工程應用;本文的結果對于天線研發人員研究方向回溯天線有一定的參考意義。
  17. Detailed introduce the tracking problem to multi - aircraft tracking telemetry and command system. by use of circular array antenna realize the tracking of multi - aircraft by digital beam forming ( dbf ). detailed introduce the gradient tracking rule, and utilize it to multi - aircraft tracking

    對多飛行器測控系統的跟蹤問題進行了詳細介紹,提出了採用圓陣、實現利用數字波束對多飛行器跟蹤的方案,對梯度跟蹤方法進行了詳細說明,利用梯度演算法實現飛行器跟蹤,並在此基礎上討論了跟蹤的實現方法。
  18. A multi - body dynamic model of a rigid satellite with flexible antenna system and flexible solar array has been built

    建立了包括剛性衛星星體、柔性帆板和柔性天線系統的多體力學模型。
  19. 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。
  20. In mobile communication, the multi - path of channel brines the inter - symbol interference ( isi ) which cna make the ber of system larger. a technology called adaptive equalizer combined with adaptive array antenna is researched. this technology is used in the base station to restrain isi, and it is realized through landscape orientation filter, whose weight vectors are formed by rls algorithm. the result of computer simulation showe that the ber performance of system is good enough to ensure the requirement of communication

    在移動無線通信中,由於傳輸通道的多徑性質,會在接收端引起碼間干擾,使系統誤碼率變大,結合智能天線系統研究了一種自適應均衡技術,在基站一端使用,用來抑制碼間干擾,它通過橫向濾波器來實現,通過rls演算法自適應地產生加權因子.計算機模擬的結果可以證明,使用無衡技術后,系統的誤碼性能可能滿足通信需要
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