有線通信系統 的英文怎麼說

中文拼音 [yǒuxiàntōngxìnxìtǒng]
有線通信系統 英文
line-wire communications
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 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...
  • 通 : 通量詞（用於動作）
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 有線 : wired有線傳真 wirephoto; 有線電報（術） wire telegraphy; 有線電話 electrophone; line; telephony; ...
  • 通信 : communication; communicate by letter; correspond
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory

    論文著重介紹實現了跳頻通信系統同步的一般方法，並詳細分析和對比跳頻同步系統的捕獲方案，在此基礎上，提出了一個基於匹配濾波器的位移等待式自同步方案，設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單，該自同步方法在實驗室水池實驗取得良好的效果，並在廈門港海域進行了現場實驗測試，具有較低的誤碼率和一定的檢測概率，結果令人滿意。
  2. Aiming at the practical situations of frequent accidents on mine gas and existing mine gas wire communication system needs to be improved towards wireless communication system, the paper put forward all nodes of gas sensor distributed in underground were brought into an intelligent and flexible wireless network system, so as to form a gas sensor networks system with layering and characteristic of intrinsical safety which relayed on the sensor ' s node

    摘要針對礦井瓦斯事故頻發、現有礦井瓦斯監測有線通信系統急需向無線通信系統改進的實際情況，文章提出了將分佈於井下的所有瓦斯傳感器節點納入一個智能化、結構靈活的無線網路系統，組成以傳感器節點為依託的層次化且具有本安特性的瓦斯傳感器網路系統。
  3. As a combination of ofdm with space - time coding technique, mimo - ofdm becomes more and more important in the future wireless communication systems, the mimo - ofdm system can not only effectively enhance the transmission rate and capacity of the wireless communication system but also greatly mitigate the effections of mufti - path fading and interfere

    Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起，能夠大幅度的提高無線通信系統的通道容量和傳輸效率，並能有效的抵抗多徑衰落、抑制干擾和噪聲。
  4. Modern wireless communication systems require imminently the appearance of new - style antennas that have the merits of compactness, cost effectiveness, high gain and self - beam - steering ability

    現代無線通信系統迫切需要緊湊、低成本、高增益、同時具有自波束跟蹤能力的新型天線出現。
  5. Sdr can make the wireless communication system have a good flexibility and generality. also, the interlinkage and update of the system will be very convenient

    軟體無線電使得無線通信系統具有很好的通用性和靈活性，使系統的互聯和升級非常方便。
  6. Sdr not only can make the wireless communication system have a good flexibility and generality, but also can make its interlinkage and update of the system very convenient

    軟體無線電使得無線通信系統具有很好的通用性和靈活性，使系統的互聯和升級非常方面。
  7. Fire wired communication system

    消防有線通信系統
  8. Based on such reasons, in this dissertation, some research on mimo radio channel modeling was done, and we proposed a stochastic mimo channel model which could serve as a generalized mimo radio channel model in mimo technology research

    基於上述原因，本文研究了現有應用環境下mimo無線通信系統的通道建模理論與方法，綜合了一個寬帶統計mimo無線通道模型，可以作為研究mimo無線通信系統的一個通用空時通道模型。
  9. 1550nm is chosen as the work wavelength, cassegrain transmitting - receiving antenna as the optical antenna of the system through the elucidation of how to choose the work wavelength and optical antenna of comm - unication system. the structure and theoretical design parameter of apt sub - system have been presented through the discussion of the optical signal power estimation of apt sub - system, beam divergence angle, pointing error, and error signal extraction. compared with existed optical wireless communication system, the design scheme proves applicable

    通過對通信系統工作波長選擇、光學天線選擇等闡述，選擇了1550nm作為系統工作波長、卡塞格倫（ cassegrain ）收發合一天線作為系統光學天線；通過對apt子系統功率測算、束散角和瞄準誤差、誤差提取信號等的討論，給出了apt子系統結構和理論設計指標，並將其與現有的光無線通信系統進行比較，說明該設計方案是可行的。
  10. The optimal transmission strategy of a single user multiple - input multiple - output ( mimo ) wireless communication system which the transmitter has only imperfect feedback of channel state information ( csi ) is studied

    摘要研究了發射端只有非理想通道狀態信息反饋的單用戶多輸入多輸出（ mimo ）無線通信系統的最優發送策略。
  11. Adaptive equalization technology has been regarded as a potential candidate to combat isi for future wireless communications

    在新一代無線通信系統中，自適應均衡技術，被認為是最有可能採用克服碼間干擾的方案。
  12. The cmt system has a characterized new architecture based on ip network in which all the sub - systems are connected through ip protocol

    Cmt是一種獨具特色的新型無線通信網路系統，採用了基於ip的核心網路結構，不同於現有的其它無線通信系統，其核心網各子系統以及bs之間均通過ip網路互連。
  13. It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation. this paper is mainly focused on carrier recovery technique. we introduce the channel model at cable headed and receiving site. firstly, we introduce the principle of carrier recovery and give some algorithms of them, which are directed - decision, reduced constellation and frequency sweeping

    本論文緊緊圍繞著數字通信系統中的載波恢復技術，在介紹了有線通信系統所用的調制解調通道模型后，首先闡述了載波恢復技術的思想和基本原理，在此基礎上給出了三種載波恢復演算法，即判決導向演算法、簡化星座判決演算法和掃頻演算法，並且給出了其各自的模擬圖：然後深入研究了一種適合高階qam並且能糾正較大頻偏的載波恢復技術：極性判決演算法。
  14. In mimo systems, the signal can be sent and received through multiple antennas or antenna arrays. the combination of ofdm and mimo can effectively alleviate the problem of multi - path propagation, increase system capacity, and obtain more robust system capability, so they are considered as the main stream techniques of the future wireless communication system

    Ofdm技術固有的抗通道多徑和頻率選擇性衰落特性以及mimo在提高系統頻譜利用率，改善無線通信系統性能等方面的巨大作用，使得這兩種技術的融合成為了下一代移動通信系統的必然選擇。
  15. Because some other existing simulation system, which are similar to the system discussed here, are mainly build upon windows operation system, they gain low performance in real - time response. while the experimental platform system described in this dissertation, is builded upon vxworks real - time operating system. it is much more similar to the target real - time system being simulated then other existing simulation system

    針對目前已有1553b總線通信系統試驗平臺基於windows建立，實時性能不好，與基於專用實時操作系統的真實目標系統相差過大的缺點，本文論述的系統平臺基於vxworksrtos建立，通過配備適當的板級支持包和自研的擴展板驅動程序，實現vxworks對節點機系統的支持。
  16. A modified real signal model of channelized transmitter is presented that employs multiphase filters and discrete fourier transform to maximize computing efficiency, which can mean much in a radio communication system that requires real - time processing

    特別提出了改進的實信號通道化發射機數學模型，通過利用多相濾波與離散傅立葉變換，減少信號處理運算量，這對于強調實時運行的無線通信系統有重要意義。
  17. Uses standard software component idea, the sca ( software communication architecture ) supports efficient reusability of the wireless communication systems, lower development cost, a shorter cycle of the validation and implementation of a new technique

    軟體通信體系結構（ sca ）採用標準化的軟體構件思想，有效提高了無線通信系統的軟體復用程度，節省了設計開發成本，縮短了新技術驗證和實現周期。
  18. Software radio ( swr ) can make the wireless communication system have a good flexibility and generality. also, the interconnection and update of the system will be very convenient

    軟體無線電可以使無線通信系統具有很好的通用性和靈活性，方便系統的互聯和升級。
  19. As a combination of ofdm with space - time coding technique, mimo - ofdm has recently received considerable attentions, which can not only effectively enhance the transmission rate and capacity of the wireless communication system but also effectively combat multi - path fading and interfere

    Mimo - ofdm技術將ofdm與空時編碼技術有機的結合在一起，能夠大幅度的提高無線通信系統的通道容量和傳輸速率，並能有效的抵抗多徑衰落、抑制干擾和噪聲，從而引起了通信界的廣泛關注。
  20. Recently, multiple input multiple output ( mimo ) system which originates from the employment of multiple antennas at transmitter and receiver has many advantages such as large system capacity, high spectral efficiency. on the other hand, orthogonal frequency division multiplexing ( ofdm ) which bases on the orthogonal transmission of sub - carriers also has some obvious merits such as strong anti - multipath ability, high spectral efficiency. the combination of the two techniques mimo - ofdm, has become a hotspot recently and regarded as promising technique for future next - generation mobile communication systems

    近來，在無線通信系統中的收發兩端同時使用多根天線的多入多出（ mimo ， multiple - input - multiple - output ）通信結構，具有系統容量大、頻譜效率高等優點;基於正交的多路子載波并行傳輸的正交頻分復用（ ofdm ， orthogonalfrequencydivisionmultiplexing ）技術，具有抗多徑能力強、頻譜效率高等優點，二者的結合，即mimo - ofdm技術，被認為是構建下一代移動通信系統的框架技術。
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