隨機接入通道 的英文怎麼說

中文拼音 [suíjījiērùtōngdào]
隨機接入通道 英文
odma random access channel
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 入 : Ⅰ動詞1 （進來或進去） enter 2 （參加） join; be admitted into; become a member of 3 （合乎） conf...
  • 通 : 通量詞（用於動作）
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 隨機 : random stochasticrandom
  • 接入 : insert; join up; switch on; cut over; turn on; switch in; reset; put in; place in; cut in; throw ...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. At the same length, the insertion loss of different sub - channels also undergoes changes. this effect, along with the intrinsic background noise, impulse noise and the receiving sensitivity of modem on the adsl, will limit the maximum transmission distance on one single subscriber line

    首先，銅線的插入損耗將隨著線路距離的增加而成比例地增加，並且在同一距離下各子通道的插入損耗也發生變化，這個因素和線路固有的背景噪聲、脈沖噪聲、數據機的接收靈敏度一起將限制在單用戶線上adsl所能夠傳輸的最大距離。
  2. As iso9000 system evolved in different historical period, the first edition ( 1987 ), the second edition ( 1994 ) and the latest one, the third edition ( 2000 ) of that were constantly updated and upgraded. the latest edition of 1s09000 system not only fully embodied the eight principles of quality management, which were generally recognized and accepted by quality control circles in the world, with the china ' s successfully admission to wto membership, as an evaluating rule to measure the level of an enterprise quality management, iso9000 system under constant evolution for excellence will surely give an impulse to enterprise to perfect their quality strategy so as to satisfy the need of market under the new situation. only by equipping proper concept of quality value and quality culture, develop quality strateg ) suitable to new market rule and international economy situation, our enterprise can elevate the comprehensive competitive strength by continuously quality improvement, that will pave a way for enterprises in 21s1 century to survive permanently

    隨著iso9000系列標準在不同歷史時期的演變，第一版（ 1987年） 、第二版（ 1994年）及最新的第三版（ 2000版）的iso9000系列標準得到不斷修訂和調整，最新版的iso9000標準充分體現了當今世界上質量界最普遍接受和認同的質量管理八項原則，隨著2001年12月我國加入wto的契機， iso9000系列標準作為企業質量管理水平的評價準則，它的不斷進化必然促使企業不斷調整質量戰略來滿足新形勢下的市場要求，只有建立正確的質量價值觀並注重培育企業的質量文化，制訂適應于新的市場運作規則利國際市場環境的質量戰略，才能使我國企業通過不斷提高質量管理的水平，來提升企業的綜合競爭實力，這已成為二十一世紀企業的長久生存之道。
  3. Random access channel rach

    隨機接入通道
  4. Second, this paper design the simulation scheme of bicm for comparing the performance over fading channel and awgn channel that combine 2 / 3 rate, 4 states punctured convolutional code with 8psk modulation, matching block interleave or random interleave, transform through rayleigh channel or awgn channel and use the way that combine coherent demodulation with viterbi decoding in receiver. design the scheme of bicm _ id that use the iterative decoding technique and the scheme of tcm for compare

    為了驗證bicm和bicm _ id在衰落通道和加性高斯白噪聲通道（ awgn ）下的性能，設計了一個2 / 3碼率， 4狀態的鑿孔卷積碼經過塊交織或隨機交織，與8psk調制相結合，在rayleigh通道下或awgn通道下傳輸，接收端採用相干解調與維特比譯碼相結合的bicm方案，在接收端引入迭代反饋譯碼的bicm _ id方案，以及與之相比較的tcm方案。
  5. This chapter introduces one technique which based on encrypting the access of storage data, this can be done by coding the phase of reference beams by use of orthogonal - phase - code

    介紹了一種基於對接入加密數據通道進行加密的方法，即對參考光的相位進行正交相位編碼； 4 .雙隨機相位編碼加密光存儲。
  6. The effect of mud on the performence of system can be considered the mud ' s efficience obtained by the link simulation, which depends on the algorithm of the mud, and the system multiplexing factor which depends on all kinds of factors related to the radio propagation environment in the cell network system planning, for example the cell scale, channel model, the system load and the user distribution

    隨后對影響多用戶檢測效率的干擾相消效率和系統復用因子兩個因素進行了全面而深入的分析。其中前者與接收機採用的mud演算法有關，一般通過鏈路模擬得到其結果，後者主要與蜂窩系統規劃設計中各種與環境相關的因素有關，如小區尺寸、通道模型、系統負載、用戶分佈。
  7. Optical code division multiple access ( ocdma ) is a communication mode which introduces the code division multiple access ( cdma ) technology into optical fiber communication system. besides providing asynchronous communications access, ocdma system has many advantages, such as high capacity, security against interception, suppression of narrow band disturbances, capability in forming variable bit rate networks and multi - rate networks. it implies a great challenge for the development of future communication networks, especially all optical networks

    光碼分多址（ ocdma ）是將碼分多址（ cdma ）技術與大容量的光纖通信技術相結合的一種通信方式，其主要優點表現在如下幾個方面：允許多個用戶隨機地接入同一通道：可構成真正「透明」的全光通信網路；具有良好的安全性；允許可變速率或多速率傳輸，並可同時提供多種業務支持；具有優良好的抗干擾能力，並能夠充分地利用石英光纖的可用帶寬。
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