space time transmit diversity 中文意思是什麼

space time transmit diversity 解釋
空間時間發射分集
  • space : n 1 空間；太空。2 空隙，空地；場地；（火車輪船飛機中的）座位；餘地；篇幅。3 空白；間隔；距離。4 ...
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • transmit : vt （ tt ）1 傳送，寄，送（信、貨等）。2 送達，傳達（命令、話等）；透射（光），傳導（熱等），傳聲...
  • diversity : n. 1. 不同，異樣，差異。2. 繁多，多種，多樣，駁雜，參差。
  1. The analysis of the performance and its comparison to space time transmit diversity ( sttd ) are presented in this chapter. the link level simulations are performed. finally we discuss the effects of feedback delay and feedback error on the performance

    第五章首先介紹了閉環發送分集的原理；接著對其性能進行了仔細的分析，完成了鏈路級模擬，並與開環發送分集進行了對比；最後討論了反饋延遲、錯誤對性能的影響。
  2. Comparing with the system which does not space - time code, space - time coding can obtain transmit diversity and increase channel capacity without frequency bandwidth loss

    與空間未編碼系統相比，空時編碼可以在不犧牲帶寬的情況下起到發射分集和提高功率增益的作用。
  3. At the same time, to achieve space, time and frequency diversity, some research is done on stf technology, which joints transmit diversity and ofdm technology

    同時對發射分集技術和ofdm相結合，通過適當的編碼技術來獲得空、時、頻分集的空時頻編碼技術進行了一定的研究。
  4. The newly developing transmit diversity and space - time codes are just one of the most important schemes to improve wireless spectrum efficiency

    而近年來提出的發射分集和空時碼就是能夠有效提高無線頻譜利用率最重要的方案之一。
  5. Space time coding was proposed by combining transmit diversity and coding technology to improve the system performance, such as error bit rate, data rate, and system capacity. in particular, space - time block coding ( stbc ) schemes, proposed originally by alamouti were adopted by the 3g standardization committees as one key technique in 3g wireless systems

    將發送分集與編碼調制技術相結合，進一步產生了空時編碼技術，由於空時編碼技術具有優異的抗衰落性能，並且能通過發送分集和接收分集提供高速率、高質量的數據傳輸，因此它已經成為第三代移動通信技術的重要組成部分，並將繼續在下一代移動通信技術的發展中發揮重要作用。
  6. Performance analysis of space - time transmit diversity techniques for multi - antenna wcdma systems

    系統空時發送分集技術的性能分析
  7. In chapter 6, we presents a novel transmit diversity scheme - space - time variable correlation ( stvc )

    第六章對一種新穎的發送分集方案?空時變相關碼stvc進行了研究。
  8. Space - time block coding is a new technique that combines coding, modulation and transmit diversity. it has been an ideal candidate for improving wireless communication performance and increasing data rates in systems with bandwidth constraints

    空時分組編碼是將編碼、調制和發射分集技術結合起來的一種新興技術，它是改善無線通信性能、提高帶限系統數據速率的一種理想的選擇。
  9. In chapter 8, the research work is summarized ; the existing problems are pointed out. in the meanwhile, the developments of transmit diversity and space - time coding techniques in the future are prospected

    第八章對研究工作做了總結，分析不足：同時，還對發送分集和空時碼今後的發展應用進行展望。
  10. This thesis focuses on transmit diversity and space - time coding techniques and their implements to the 3rd generation ( 3g ) mobile communication systems especially in wcdma. the main contents are as follow : chapter 1 is an introduction of the application background of transmit diversity and 3g standards, and also presents the proposed transmit diversity schemes in wcdma and cdma2000 briefly

    本文主要研究的是發送分集和空時碼技術和其在第三代移動通信系統主要是wcdma系統中的應用，主要內容如下：第一章首先簡單介紹發送分集的應用背景和第三代移動通信系統，並專門對wcdma和cdma2000中的發送分集方案做了說明。
  11. Necessary condition for symbol transmit rate in which maximum diversity and channel capacity of linear space - time code are attained is given and a new systematic space - time block code design framework is proposed

    摘要給出了線性空時碼同時能達到最大分集度和通道容量的符號傳輸率必須滿足的條件。
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