時碼 的英文怎麼說

中文拼音 [shímǎ]
時碼 英文
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  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  1. Little by little the scene on the quay became more animated ; sailors of various nations, merchants, shipbrokers, porters, fellahs, bustled to and fro as if the steamer were immediately expected

    這時，碼頭上漸漸熱鬧起來了。一些不同國籍的水手商人掮客搬運夫當地苦力都涌到碼頭上來了。顯然是船馬上就要到了。
  2. Space - time codes can be divided into tree mainly parts : bell layered space - time architecture ( blast ), space - time trellis codes ( sttc ) and space - time block codes ( stbc ). in this paper, we mainly compare the performance of blast and stbc in many aspects, such as design criterion, transmission rate, diversity gain, diversity combining, bit error rate and channel capacity etc. in this paper, we first respectively analysed the instantaneous received symbol energy - to - noise ratio of v _ blast in the diversity combining methods of maximal ratio combining ( mrc ), equal gain combing ( egc ) and selective combing ( sc )

    Mimo技術核心是空時編碼（ stc ） 。空時編碼主要分為三種:分層空時碼（ blast ） 、空時格碼（ sttc ）和空時塊碼（ stbc ） 。本文主要對分層空時碼和空時塊碼這兩種編碼方式在設計準則、傳輸速率、分集增益、接收合併、比特差錯率和通道容量等方面進行了較為詳盡的研究。
  3. Make sure the correct size and right - left - unit

    鞋面配雙時碼數左右腳要正確
  4. ( 3 ) the features of the low frequency time - code receiver are digital, high performance and high precision. on the basis of the testing flat of low frequency time - code, we designed a low frequency time - code receiver based on software radio

    在前面已經實現的低頻時碼信號測試平臺的基礎上，對設計一種基於軟體無線電模式的低頻時碼接收終端作了初步的探討，為今後的全數字化接收機的實現打下一定的基礎。
  5. On the other hand, in the approach based on vector - matrix, through several special operations on vector - matrix, we have constructed a sparse ‘ 0 ’, ‘ 1 ’ parity - check matrix with dual diagonal matrix whose structure can easily construct the code. the simulation results have demonstrated the performance of this approach is similar to that of - rotation while the complexity is also higher. this problem is to be solved in the future research

    在基於矢量矩陣的結構化方法中，通過對矢量矩陣進行一系列特殊處理可以構造出稀疏的『 0 』 、 『 1 』校驗矩陣，而校驗矩陣中的雙對角結構易於構造出相應的ldpc碼字，模擬表明，採用矢量矩陣的結構化方法具有和-旋轉構造法相當的性能，但是實現的復雜度大於-旋轉構造法，同時碼率和碼長受到一定的限制，這也是未來需要研究的方向。
  6. Finally, the concept of space - time codes and encoding design criteria are discussed here. chapter 4 describles space - time block codes thoroughly

    最後闡述了空時碼概念，並詳細給出了空時碼編碼設計思想和準則。
  7. Meanwhile, in order to tackle such problems, administrators of ports are gradually aware of the importance of reasonable configuration of handling equipments after the confirmation of handling technology

    同時，碼頭的管理者也逐漸認識到在裝卸工藝基本確定之後，裝卸機械的合理配置對提高裝卸效率、降低裝卸成本的重要性。
  8. In chapter 4, the main concept and the key technology of software radio are discussed. also the important digital theory such as fft and digital filter are introduced in the last part

    第（ 3 ）和第（ 4 ）部分的內容是為了今後順利開展低頻時碼的數字化研究，而提出的有關軟體無線電接收的一種設計方案，有待於今后的進一步開發研究。
  9. In order to meet to the higher timing precision of the low frequency time - code timing terminal, the applications of dsp ( digital signal processing technology ) in the time service is researched in this paper. the main works and contributions can be summarized as follows : ( l ) the low frequency signal transmission and dsp technology are discussed. according to the system needs, a testing flat of low frequency time - code based on dsp is built up

    本論文的工作針對低頻時碼授時高端用戶的定時需求，對數字信號處理（ dsp ）這一新型技術在該領域應用進行了探索性研究，主要完成和開展了如下工作： （ 1 ）研究分析了低頻通道和dsp技術，根據系統要求，從硬體上實現了基於dsp晶元的低頻時碼信號的採集測試平臺。
  10. Real - time monitoring system of bpc based on virtual instrument

    基於虛擬儀器的低頻時碼發播信號實時監測系統
  11. Construction and characteristic analysis of a frequency - hop timespread code

    一種跳頻擴時碼的構造及性能分析
  12. Construction and characteristic analysis of a frequency - hop time - spread code

    一種跳頻擴時碼的構造及性能分析
  13. Chapter 7 introduces the other two space - time codes besides space - time block codes - space - time trellis codes and space - time layered codes

    第七章簡單介紹了除空時分組碼之外的兩大類空時碼，空時格狀碼和分層空時碼。
  14. However, if people want to make the stc more convenient for the practical application systems, there are still many works need to be done

    但是，空時碼要更好的應用到實際系統當中，還有很多具體問題有待研究和解決。
  15. A scheme of inner concatenated coding based on the characteristics of space - time block codes and diagonally - layered space - time codes is presented

    本文基於空時分組碼和對角分層空時碼的各自特點提出了一種內接編碼方案。
  16. 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。
  17. In this dissertation, the theory and characters of mimo and stc are both studied. then, the outfield testing work is carried out based on the mimo testing equipments

    本文研究了mimo技術的原理和特點，分析了空時碼的編譯碼原理，並完成了基於mimo試驗平臺的外場測試。
  18. The program is designed for machine logistics. the present 5, 000 ton port with a 120 long pier and a 450 tons bearing ability crane, which can be adapted and transformed to be a port for machine logistics, especially for coastal industrial machines 80 mu land area can be provided

    該碼頭規劃為港口機械設備專業碼頭，目前現有5000噸級臨時碼頭1個，欖橋120米；軌道間距30米，總長220米；龍門吊一臺，高度23米，承重450噸，擬對臨時碼頭進行改造並引進生產港口機械設備項目，主要用於運輸大型臨港工業用設備，提供建設用地80畝，項目總投資2000萬美元。
  19. 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。
  20. Space - time code indicates a new idea of providing high transmission rate in wireless communication systems and has recently received considerable attention. this paper is mainly focused on the space - time coding technique

    =空時碼的提出為解決無線通信系統中的傳輸速率問題提供了一條新思路，目前已經成為通信研究的一個熱點。
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