水聲通信 的英文怎麼說

中文拼音 [shuǐshēngtōngxìn]
水聲通信 英文
underwater acoustic communication
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 通 : 通量詞（用於動作）
  • 水聲 : 1. [物理學]underwater sound2. （水發出的聲音） sound of water
  • 通信 : communication; communicate by letter; correspond
  1. In this thesis, for the merits of high frequency spectrum utility factor and high - speed data communication, the ofdm is introduced into the underwater acoustic communication. combined with fec to combat the frequency - selective fades and isi in the underwater acoustic channel, high speed data transmission is realized by employing ofdm technology

    本研究嘗試將ofdm技術引入水聲通信領域，利用該技術頻譜利用率高，多載波并行傳送的特點，結合通道編碼，以克服水聲通道多徑干擾引起的頻率選擇性衰落和碼間干擾，獲得高速率數據傳輸。
  2. This paper is combined with the project of research of underwater acoustic network technology. first, we study and research existing uan and its protocols at home and abroad

    首先學習、研究了現有國內外有關通信網路及其協議，並對國外現有水聲通信網路進行了較深入的研究和分析。
  3. 2. a uwa communication system is designed, lake experiments are also conducted with several equalization methods being employed. one key of the techniques in underwater acoustic communication - synchronization technique is studied

    在吉林松花湖作了水聲通信試驗，驗證了上述演算法的模擬結論，並對水聲通信的關鍵技術之一的相關同步技術進行了分析研究。
  4. As these underwater acoustic communication systems is intended for comparatively short distances, up to 10 - 30 km, problems arise when the submarine operate outside the normal areas, far from the save waters covered by national defence and communication systems

    但是這些水聲通信系統僅僅適用於短距離通信，最遠只能到10 ~ 30千米，如果潛艇在常規水域之外工作，遠離了國家防衛和通信系統所覆蓋的區域，就會出現問題。
  5. Power saving coding for underwater acoustic communication

    一種低能耗的水聲通信編碼方案的研究
  6. Nowadays, high data rate communication through band - limited underwater acoustic channel ( uwac ) is of general interest in the field of underwater communication

    通過帶寬有限的水聲通道獲得高速數據傳輸，是目前水聲通信領域的研究熱點。
  7. On exploring tfsk time frequency shift keying for improving underwater acoustic communication

    時頻編碼水聲通信技術及性能分析
  8. And their performances are compared by simulation. the realization of phase - coherent modulation is studied, especially the carrier recovery. in order to improve the system performance, we consider a receiver which performs optimal phase synchronization and channel equalization jointly

    本文詳盡的研究了線性和非線性自適應均衡器的橫向結構和典型演算法（ lms和rls ） ，對其性能進行了模擬比較；對相位相干調制解調技術的實現，尤其是載波恢復的方法進行研究，將載波恢復系統和自適應均衡器的參數調整聯合起來，從而提高相干水聲通信系統的性能。
  9. In this case, blind equalization techniques which need not any training sequence are preferred for underwater acoustic communication

    因此，對於水聲通信通道，人們更傾向于採用不需要發送訓練序列的盲均衡技術。
  10. Hydro - acoustic communication system

    水聲通信系統
  11. In this thesis, a multicarrier modulation high bit - rate underwater acoustic communication system was designed and constructed after analyzing those effects

    本論文在分析這些因素的影響之後，設計並製作完成了一個多載波高速水聲通信系統。
  12. Firstly, some useful experience about designing underwater acoustic communication systems and the properties of underwater acoustic channels are introduced

    論文首先總結了前人關于海洋水聲通信系統設計的經驗，討論了海洋水聲通道的特點。
  13. In this thesis, the characteristics of underwater acoustic channel were analyzed, the mcm technique and the lfm signal which were used in the multicarrier modulation high bit - rate underwater acoustic communication system was discussed in detail, the important parts in system designing were examined

    論文對水聲通道特性進行了分析，就多載波高速水聲通信系統中用到的多載波調制技術、線性調頻信號進行了詳細論述，論述了系統設計中的重要環節。
  14. An innovative and novel concept of communication sonar equation ( cse ) is introduced in the dissertation. according to the communication sonar equation ( cse ), all solutions for improving the working range of underwater communication system are fully discussed. considering the restrictions in practical application, some methods are confirmed, others are discarded

    本文從概念上創新性地提出了通信聲吶方程，並根據通信聲吶方程全面剖析了增加水聲通信系統作用距離的各種可能途徑，然後結合實際應用的要求確定了本研究具體可採用的措施並加以實現。
  15. Then, introducing something about spread spectrum technique. and deciding to select direct - sequence spread spectrum ( ds ) in underwater acoustic communications by comparing ds to fh according to the properties of underwater acoustic channels. after that, discussing something about rake receiver, simulating the path - search algorithms, synchronization circuits and rake receiver in low speed underwater acoustic communications and analyzing some major factors influencing the performance of systems

    然後介紹了rake接收技術的基本原理，並對rake接收系統中的路徑搜索和同步系統進行了討論和模擬分析，另外還對rake接收技術在低速水聲通信系統中的應用作了模擬分析，並討論了一些影響rake接收系統性能的主要因素。
  16. Acoustic communication and its recent progress

    第八講水聲通信及其研究進展
  17. Underwater sound communication

    水聲通信
  18. Spread spectrum technique has been widely used in remote underwater acoustic communications recently

    近年來擴頻技術在水聲通信特別是遠程水聲通信中的使用越來越多。
  19. Achieving high speed uwa underwater acoustic communication with adaptive momc multimode orthogonal multicarrier technology

    自適應多制式正交多載波高速水聲通信技術研究
  20. Underwater acoushc conunnication is very twortant to nahonal defence and widely used in ocean research and development

    水聲通信技術在海洋研究、開發和國防中具有重要的意義。
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