空間天線分集 的英文怎麼說

中文拼音 [kōngjiāntiānxiànfēnjí]
空間天線分集 英文
spaced antenna diversity
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 線 : 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...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 集 : gatherassemblecollect
  • 空間 : space; enclosure; room; blank; interspace
  1. The characters of this antenna lie in three points : using yagi - uda antenna to obtain antenna gain through the radial direction ; making full use of the space of the base station along the z - axis direction to get array gain ; arranging the antenna array properly to achieve pattern diversity in azimuth plane

    其特點集中體現在三個方面:在天線徑向通過八木天線的形式獲得增益;充分利用基站空間在z向組成陣列獲取陣列增益;利用開關八木天線方向圖可重構的特性，通過合理的布局，在方位面內實現角度分集。
  2. The thermal distortion test of 5x8 sub - array panel was done in high temperature and normal pressure environment. the methodology, procedure and results of thermal distortion test are explained in detail. the test shows the differences between measuring results and fea analyzing results are quite limited

    介紹浙江大學博士學位論文空間4 10米可展開天線的動力耦合分析及實驗技術研究韋娟芳了常溫高溫下的5x8子陣板的熱變形試驗，包括試驗方法、試驗步驟以及數據採集設備。
  3. Space or multi - anntenna, diversity techniques are particularly attractive as they can be readily combined with other forms of diversity, e. g., time and frequency diversity, and still offer dramatic performance gains when other forms of diversity are unavailable

    空間或多天線分集技術由於可以與其它如時間分集，頻率分集技術相結合，並在其基礎上提供很大的性能增益，而成為一種很有吸引力的分集技術。
  4. However, in practical systems, the deployment of antenna array is difficult due to the size and / or price limitation. recently a new form of space diversity, which is based on relay channel model and through users ’ help for each other, named cooperative diversity has become an atructive technology

    但是由於尺寸，能量，價格等因素限制，在移動終端使用多根天線具有一定的困難，最近一種基於中繼通道模型的，同時利用多個用戶的互相協助而實現空間分集的技術? ?協同分集技術，成為一個新的研究熱點。
  5. Because of the affection of noise and signal fading, in order to high data rate access and high quality, wireless communication need new technology to improve the link reliability and enhance the spectrum efficiency. mimo ( multiple input and multiple output ) can enhance the spectrum efficiency and increase channel capacity greatly, and reduce the multipath affection without spectrum band and power increasing. the 3th generation mobile communication wcdma is coming, with the purpose of putting mimo, stbc ( space time block coding ), space diversity into practice of wcdma systems, in order to lay the foundation of 3g toward 4g, this dissertation has done some research under this background

    在發射機和接收機使用多個天線進行數據傳輸的多輸入多輸出（ mimo ）技術，可以在不增加帶寬和天線發送功率的條件下，成倍的提高頻譜利用率，提高系統的通道容量，還可以抗多徑干擾。第三代移動通信wcdma即將到來，為了將多天線技術（ mimo ） ，空間分集技術，空時編碼技術用到wcdma系統中去，為第三代移動通信向第四代移動通信系統平穩過渡奠定一定的基礎，需要做一些理論上的研究。
  6. Among the non - coherent transmit diversity technologies, differential transmit diversity is a remarkable technique. in this thesis we consider the combining diversity of the differential transmit diversity and receive diversity. the potential of space diversity was discussed and the error performance of combining diversity system was investigated

    本論文採用聯合分集的方式將差分發送分集技術與接收分集技術相結合，進一步探討了空間分集在抗衰落方面的潛力，並對基於聯合分集技術的多天線通信系統進行了研究。
  7. Stzware is a two and three dimension spatial analysis software based on realms math model developed by nuaa, and the two - dimension subset of this software defines spatial data types on 2 - dimension discrete grid, such as point set ( privpoints ), line set ( privlines ) and region set ( privregions ), and implements attribute operation functions of these 3 types and topology analysis functions among these 3 types

    Stzware是由南京航空航天大學研製的基於數學模型realms的二三維空間分析軟體，其中的二維子集定義了二維平面離散網格上的空間數據類型:點集（ privpoints ） 、線集（ privlines ）和區域集（ privregions ） ，並實現了這三種類型的屬性操作函數和這三種類型間的拓撲分析函數。
  8. Because using ofdm, a frequency - selective fading channel can be transformed into multiple frequency - flat fading sub - channels, in the coding process, spatial diversity ( due to multiple antennas ) is integrated with frequency diversity ( due to delay spread ), therefore, the proposed code can provide higher diversity gain than space - time code alone

    該編碼利用正交頻分復用把頻率選擇性衰落通道變換成平衰落通道的特性，同時引入了基於多天線的空間分集和基於時延擴展的頻率分集，比空時編碼具有更高的分集增益。
  9. One of the convertion technologies of space diversity is antenna array, which is researched and ultilized in 3g and beyond 3g system

    空間分集技術的一種傳統的應用技術是通過多天線或天線陣列實現，並在3g ， beyond3g等系統中得到研究和應用。
  10. Among the effective methods to mitigate the fading in wireless communications is transmit diversity, which can utilize the space diversity of transmit antennae to generate the receive diversity and improve the performance of the forward link

    發送分集技術是對抗無線通道衰落的重要手段，它能將發送天線的空間分集轉化為接收機可以利用的分集方式，以改善前向鏈路的性能。
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