線路幀 的英文怎麼說
中文拼音 [xiànlùzhèng]
線路幀
英文
line frame-
The managed global frame relay service, managed international private lines service and a global internet access service, combine to form part of the company ’ s one - stop - shop service, in a bid to cater for all of its customers ’ global needs
全球幀中繼服務的管理、服務和管理的國際私人線路全球網際網路接入服務、把一部分公司的一站式服務以圖配合其所有客戶的全球需求It eliminates the need for agent blocks to have specific knowledge of ram array behind it. it takes care of protocols and latencies in an effort to simplify memory access by the agent blocks. agent blocks " see " a single linear frame buffer, all paging and bank swapping is handled by the and is transparent to the agent blocks
在嵌入式系統晶元中高速存儲器介面控制電路是系統必不可少的重要組成部分，由於有了存儲器介面的存在，使得系統內部客戶模塊不必專門了解存儲器本身的復雜特性，而只需關心傳輸協議和一些定義的遲滯參數，在客戶看來存儲器僅僅是一個線性的幀緩沖器，所有的換頁、區段切換都交由介面電路來處理，從而大大簡化了客戶對存儲器操作的復雜度。To control the parameters of the protocol easily, we should design the physical system to connect with the pc. therefore, it is very useful to realize the physical systems based on the routing protocol. at the beginning of the paper, the paper introduces the contents of the ad hoc network and wlan
它的路由協議是基於linux平臺下開發出來的軟體，為了能夠自主地控制協議中的參數，如打包時的幀格式， crc碼的格式，傳輸時延地控制，這就需要無線網卡來連接到計算機終端配合該協議的傳輸和運行，所以如何更好地實現它的硬體平臺，則是有很好的現實意義。A simulation and modeling mechanism is studied and proposed for multirate transmission protocol. based on the wlan that adopts ofdm transmission technique, we first assumed that the small - scall fading and multipath in ofdm sub - channel is rayleigh, and large - scale path loss could be described by bi - linearity model, and then we analyzed the rationality
基於採用ofdm傳輸技術的wlan ，我們假設ofdm子通道的小尺度衰落服從rayleigh分佈，路徑損耗可以用雙線性模型描述，並對假設的合理性進行了分析，將決定速率切換的誤幀率等物理層性能參數和媒質控制協議有機地結合在一起，對多速率傳輸建模進行了有意的探索。For a plc network, the length of the mac layer frame is associated not only with the method used in media access control but also with the nature of the interferences, since it suffers from a variety of interferences which are non - periodic and asynchronous
對于plc網路，由於通道存在嚴重的非周期的異步脈沖干擾，其mac層的幀長度不僅與採用的介質訪問控制方式有關，而且與電力線上的脈沖干擾有關。Server side content pushing is somehow difficult in a b / s application since most of the time a transaction is customer ( brower ) initiated. but it is required in our inspection platform. a certain means of server side pushing technology was discussed and implemented in this paper, which using a multi - thread service application to receive the client ' s socket connection request in the server side and using javaapplet, javascript - frame communications and dynamic web page refreshing technologies in the customer ( browser ) side
在監測平臺中，需要將服務器端內容向客戶端主動傳送，而在b s模式下，總是客戶端（瀏覽器）主動發出請求，服務器才對請求作出反應並傳送內容，本文通過在服務器端採用一個多線程的接受客戶端socket連接請求的網路應用服務，在客戶端採用javaapplet 、 javascript幀間通信、 dhtml動態更新頁面等技術，設計並實現了服務器端內容的主動推送，並在客戶端實時顯示。Typical applications but not limited to, are professional quality video communications ( ip - video ), remote digital surveillance, video conferencing, corporate access for banks, military, villas, mines, border surveillance, traffic control, switching cabinets, warehouses, equipments, remote education medical, high - speed internet service to commercial customers, ddn extension, internet cafes, and real time remote data backup
促使許多企業用戶放棄adsl ， t1e1和幀中繼線路，轉而使用sdsl ，一些t1e1或幀中繼業務提供者已經開始將發展重點放在sdsl上。因為sdsl的穩定性、可靠性、安全性均遠高於adsl 。造價又遠低於t1e1和幀中繼線路，越來越多的企業用戶開始使用sdsl服務。This article discusses the modified frame rate control algorithm based on tmn11 and the modified macroblock - layer rate control algorithm
論文重點討論了無線網路中基於tmn11的改進型幀率控制演算法及改進型宏塊層碼率控制演算法。Qe1 achieve the whole synchronization by software and hardware. during the course of the initialization of the qe1 system, the chip pm4354 can accomplish the task of synchronization of bit, frame and multiframe after the chip initialization by the software. after pm4354 accomplishes the bit synchronization, qel will read the status registers of the pm4354 to get the status of each el circuit and choose recovered clock of the specified the el circuit as the external timing source of the whole htc - 5200an equipment
Qe1系統在系統初始化時，通過軟體完成對硬體晶元pm4354的初始化工作后，便可利用該晶元完成4路e1的同步（位同步、幀同步和復幀同步） ；在pm4354完成時鐘提取的任務后， qe1通過不斷地訪問pm4354的狀態寄存器，獲得每路e1的狀態信息，在時鐘源的選擇原則下，選擇指定e1線路的恢復時鐘作為整個htc - 5200an節點設備的外部參考時鐘，從而解決了htc 5200an的中繼板卡由e1變為qe時所帶來的網同步時鐘源。In pon, the transmission of downlink signal from olt to onu is not complex. usually, the information destined for onus are combined into a multiframe at olt via tdm before reaching the feeder fiber, and then broadcast to each onu via the passive optical demultiplexor. upon receiving the downlink multiframe signal, each onu takes out the part of information for itself only
在無源光網路中， olt到onu的下行信號的傳輸過程較為簡單，一般在olt將需要發送到各onu的信息採用時分復用的方式組成復幀送到饋線光纖，通過無源光分路器以廣播的方式發送到每一個onu ， onu收到下行復幀信號後分別取出屬于自己的那一部分信息。This paper designs a application - specific real - time protocol based on virtual token and ethernet, which is based on ethernet data - frame protocol and uses idea of token bus network
本文以以太網幀協議為基礎，借鑒令牌總線網路的思想，設計了有針對性的基於虛擬令牌和以太網的實時網路協議。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。1 ) realization of software packet embedded in m - es and md - is respectively to accomplish main function of mdlp, including assignment of tei ( temporary equipment identifier ), establishment of multiple frame operation, framing, flow control and error - free transmission of packets, is detailed. 2 ) a test model is established to evaluate the robustness and stability of mdlp and verify the validity of software packets. 3 ) according to the design of radio modem construction used in m - es, the modules of interface between data terminal equipment and radio modem are achieved to enable transmission of short message and continuous pseudo - random bit stream via rs232 uart
本文首先概述了蜂窩數字分組數據網的結構和空中協議，詳細分析了移動數據鏈路協議，並在此基礎上，重點敘述了以下方面的工作： 1 ）設計並完成了分別應用於m - es和md - is端無線控制器的兩套程序實現數據鏈路層的主要功能，包括分配臨時設備號、建立鏈路、組幀和面向連接的服務保證分組正確無誤地傳輸，並進行適當的流控； 2 ）建立測試模型測試移動數據鏈路協議的可靠性和穩定性，證明了程序包的效用； 3 ）根據cdpd系統無線數據機的軟硬體總體設計方案，完成了介面模塊，實現了rs232異步串口通信，使用戶可以根據需要發送短消息或連續的偽隨機比特流； 4 ）在tms320c54x的軟體、硬體模擬平臺上，建立了cdpd試驗模型，實現了cdpd系統的mdlp基本功能。This is achieved by applying a new data frame and a linear placement strategy to reduce both the network load and the redundant information transmission
該拓撲結構採用了新的數據幀傳輸格式和線形置放策略，從而可減少網路負載量和冗餘信息的傳輸。In this paper, the method of in - bore abnormal phenomenon remote detecting is presented. considering of the multi - channel transient signals automatic acquisition, a project of pcm signal hardwire transmission data automatic acquire system is put forward. in this system, a pcm demodulate board is designed, it can decode the pcm code string which contain the information of the multi - channel transient signals, it also can catch the useful data automatically, and transmit these data to upper pc by rs485
在該系統中，為了能夠解調出包含多路動態信號數據的高碼速率pcm信號，設計並製作了一種適用的pcm解調板，能夠從pcm碼流中恢復出位時鐘信號，從而與發送端保持位同步和幀同步，從而對pcm碼流可靠地解調、緩存，並能根據計算機設定的觸發條件自動地捕獲多路信號的有效段，然後利用rs485總線將這些數據可靠地遠傳至計算機以供顯示、分析和保存。The dissertation has proposed a solution of pos line card which has the aggregate rate of 10gbps. the function of the pos line card is to extract the ppp frame from the sdh payload area and then do conversion for the ppp data, supplying a high speed i / o for np ( network proecssor )
該pos線卡的設計目標是:恢復出封裝在sdh幀中的ppp幀，並對其進行格式的轉換，為上層路由設備提供一個高速的i / o介面。In this paper, we create the network, node and process model using opnet software to simulate throughput performance of aos packet service, and choose various combinations of source packet length, transfer frame length and channel error rate to form different simulation scenarios. by analyzing the throughput - packet length, throughput - frame length simulation curves at different channel ber we get the optimal packet length and frame length configurations, and give some advice for the optimization of protocol configuration parameters according to throughput performance metric ; the complete node and process model of aos protocol have been built by opnet software, and a simple network scenario has been built to simulate and verify the validation of the protocol model
本文在建模模擬方面，用opnet軟體建立模擬aos協議包業務吞吐量性能的網路、節點、進程模型，選取不同的包長、幀長與通道誤比特率組合建立模擬場景進行模擬，得到不同誤比特率條件下吞吐量-包長、吞吐量-幀長關系曲線，經過分析得出最大吞吐量對應的最佳幀長、包長配置，給出以吞吐量性能為指標優化協議配置參數的建議;用opnet軟體搭建aos協議封裝節點模型和各個進程模型，建立簡單網路場景進行模擬驗證協議封裝節點模型的有效性。This paper analyzed p - persistent csma / cd protocol and proposed a new adaptive algorithm for the adjustment of the coefficient p by real - time channel traffic sensing based on the feedback control theory, i. e., changing the value of p dynamically through the analysis of networks " flow to control the behavior of the stations sending data frames in the same collision domain, to keep the media channel in an optimal state and to enhance the channel transmission efficiency
該演算法基於對網路流量的分析，在osi物理層通過通道信息量的在線實時檢測，根據反饋控制的原理，在數據鏈路層動態地調整控制輸入參數p ，從而控制站點發送分組數據幀的行為，使通道處于最佳的傳輸狀態，提高通道的效率。分享友人