幀同步電路 的英文怎麼說
中文拼音 [zhèngtóngbùdiànlù]
幀同步電路
英文
frame alignement circuit- 幀 : 量詞(幅, 用於字畫)
- 步 : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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It is composed of three mian protocols : call synchronization protocol, control frame transmission protocol based on arq mechanism and data transmisstion protocol based on slot precontract mechanism. one scan channel table is shared in the hfmanet. the nodes in the same dwell group work in the same scan channel, and the nodes in the different dwell group work in the different scan channel
該協議的網路拓撲結構採用分散式分群結構,協議不同於傳統的短波點到點及需要中心節點轉發的組網方式,而是初步實現了短波電臺之間多跳組網功能,其協議內容主要包括同步呼叫協議、基於arq的控制幀傳輸協議和基於虛電路及時隙預約方式的數據幀傳輸協議。The circuit of assembling frame and splitting frame based on ram and fifo are designed ( realized frame synchronization ). the two 3b4b converting circuits are designed ( realized one circuit ). the nrz, rz, manchester code converting circuits are designed
4 、設計了基於fifo和ram的兩種組幀和拆幀電路(實現了幀同步碼檢出) ;設計了兩種3b4b編譯碼電路(實現了一種) ,針對nrzi 、 rz和曼碼各設計了一個編譯碼電路。The input data of the multiplexing adopts 8 channels with the speed of 2mb / s, and those of the last two channels are " 0 " and " 1 " respectively, in order to improve the transimision effeciency and deminish the complexity of encode and electronic circuit concerned, furthermore, it makes the synchronous signal acquisition more easier
數字復接中採用八路2m口數據輸入,其中后兩路採用直接輸入「 0 」碼或「 1 」碼的方法,提高了信息傳輸的有效性,便於提取幀同步碼,降低了編譯碼過程的復雜性,同時也降低了系統的電路復雜程度。Thereby, the choice of external timing source brought by the changing from the el to qel has been resolved. in the related chapters, the paper will explain the arithmetic of synchronization of bit, frame and multiframe in the pm4354 hardware and describe the software arithmetic and hardware sketch map of net synchronization
本文在相關的章節中將詳細地給出pm4354硬體上完成位同步、幀同步和復幀同步的實現的演算法,並給出qe1在實現網同步過程中的軟體演算法和硬體電路示意圖以及在項目開發過程中,測試以上各種同步技術是否可行的技術方案。A high - speed framing asic in optical - fiber communication system
光纖通信高速幀同步專用集成電路In this thesis, the principle of polarized light wave transmit in optical fiber is researched, i. e. principle of ternary optical fiber communication is researched. based on the researches, the construction of ternary codes optical end machine and 3b2t optical end machine used in two - state fiber net are designed. the construction and component of circuits in 3b2t optical ( called sign converter circuit - scc ) are designed particularly, including : the clock synchronization module, the data synchronizing, code converting module, frame managing module and error exam and managing module
本文研究了線偏光波動理論以及在光纖中的傳輸原理,研究了三值光通信系統原理和器件原理;在此基礎上,設計了三值光端機和在現有兩值光纖網中實現三值光通信的3b2t三值光端機的組成結構,詳細設計了3b2t三值光端機的電路組成部分(稱為電信號變換電路scc ) ,包括:時鐘同步模塊、數據同步模塊、碼元變換模塊、幀處理模塊及差錯檢測和處理模塊;而且在三值光纖通信基礎上,提出了四值光通信的原理和偏分復用的實用化方法。And software method can resolve d channel ' s work for its less data communication ; 3 ) cpu 80c152 is synchronized with mc145572 by a simple synchronous circuit, avoiding the complex fpga interface circuit ; 4 ) data transmission use dma, which reduces the delay of data transmission and cpu occupying ; 5 ) 8bit software look - up table method can achieve 16bit crc quickly, which reduces the resource of both hardware and software
對通信數據量相對小的d通道,採用軟體實現裝幀與解幀。第三,採用結構簡單的外部同步時鐘電路實現80c152和接入晶元mc145572的同步傳輸,巧妙地避開了復雜的fpga介面電路。第四,利用dma技術完成數據快速收發,降低了數據傳輸時延及cpu佔用率。It becomes more difficult to realize frame synchronization with higher data transfer speed, and this field applies mostly high - speed digital circuits technique
隨著數據傳輸速率增高,其幀同步的實現就越來越困難,而該領域主要是應用高速數字電路技術。Synchronous digital hierarchy application specific integrated circuit, mxlo21e
甚短距離光傳輸系統并行幀同步電路的設計與實現分享友人