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- Optical access network can be classified as FTTC, FTTZ, FTTB, FTTO, and FTTH. 根據光纖深入用戶(hù)的程度，光纖接入網(wǎng)可分為FTTC，FTTZ，FTTB，FTTO，FTTH等。
- The article introduces a simple method for calculating peak pressure of loop network. 介紹了一種簡(jiǎn)便的環(huán)狀管網(wǎng)調峰壓力計算方法。
- Loop network is transformed into branch network by the smallest growing groove method. 應用最小生成樹(shù)叢法,將環(huán)狀管網(wǎng)轉變成枝狀管網(wǎng)。
- The adoption of multiple standby computers,Profibus DP loop network,fiber-optic transmission and OPC technique enhances its reliability. 系統采用多機備用、Profibus DP環(huán)形網(wǎng)絡(luò )、光纖傳輸和OPC等技術(shù)來(lái)提高可靠性。
- Attendant Access Loop A switched circuit that provides an attendant with a manual means for call completion and control. An attendant access loop might be given a specific telephone number. 話(huà)務(wù)員接入環(huán)路一種交換電路,提供一名話(huà)務(wù)員,可以使用手動(dòng)方式完成呼叫并對呼叫進(jìn)行控制。一條話(huà)務(wù)員接入環(huán)路可以是一條指定的特殊的電話(huà)號碼。
- Electromagnetic loop network means different voltage level operating lines compose loop by the connection of transformer electromagnetic loop. 電磁環(huán)網(wǎng)是指不同電壓等級運行的線(xiàn)路,通過(guò)變壓器電磁回路的連接而構成的環(huán)路。
- The initial zoning power, to form a 500 kV substation adjacent to the 220 kV power supply center loop network structure. 將初步實(shí)現分區供電，形成以相鄰的500千伏變電站為供電中心的220千伏雙環(huán)網(wǎng)結構。
- The problem of finding optimal diameter double loop network with a fixed number of vertices has been widely studied by graph theory and computer science researchers. 找出給定頂點(diǎn)數的雙環(huán)網(wǎng)的最小直徑是圖論和計算機工作者重點(diǎn)研究的問(wèn)題之一。
- Internet cafes using our unified widescreen display, 10 MB optical access. 網(wǎng)吧我們統一采用寬屏顯示器，10MB光纖接入。
- Designing serial loop networks can be difficult at the best of times. 即使在最有利的情況下，設計連續的循環(huán)網(wǎng)路也非常困難。
- As a fiber optic access network technology that has a broad application prospect, the Ethernet Passive Optical Network (EPON) has been more and more widely used in access networks. 摘要EPON（以太網(wǎng)無(wú)源光網(wǎng)絡(luò )）作為具有廣闊應用前景的光纖接入網(wǎng)技術(shù)已經(jīng)越來(lái)越多地應用于接入網(wǎng)系統中。
- Breaking through the limitations of the conventional point-to-point solutions,PON technology has been regarded as having the best perspective among all optical access network technologies. 無(wú)源光網(wǎng)絡(luò )(PON)突破了傳統的點(diǎn)到點(diǎn)解決方法的局限,一直被認為是光接入網(wǎng)中最具發(fā)展前景的技術(shù)。
- Over Unicom's backbone network, original SDH loop network architecture already fails to meet present capacity requirement, which must be transformed into ASON, especially for the central-east regions. 在聯(lián)通的干線(xiàn)網(wǎng)上，原有的SDH環(huán)網(wǎng)結構已經(jīng)不能滿(mǎn)足當前的容量要求，必須改造成ASON網(wǎng)絡(luò )，特別是中東部地區。
- Realizing FTTH by using optical access method represented by PON features less network nodes and simple construction.Its performance and security and reliability are all relatively high. 以PON為代表的光接入方式實(shí)現FTTH，網(wǎng)絡(luò )結點(diǎn)少而且施工簡(jiǎn)單，其性能和安全可靠性都相對較高。
- This algorithm unifies loop network treatment and PU bus treatment with Thevenin sensitivity impendence matrix,which simplifies the analysis process and improves greatly the algorithm efficiency. 采用戴維南敏感阻抗矩陣分析法把環(huán)網(wǎng)處理和PU節點(diǎn)的處理統一起來(lái),簡(jiǎn)化了分析過(guò)程,使得該算法的計算效率大大提高。
- Abstract: SS WDM (Wavelength Division Multiplexing), OAN (Optical Access Network)and AON (All Optical Network) are optical communication technologies that develop rapidly nowadays. 過(guò)去由于塑料光纖的衰減太大、帶寬太窄而沒(méi)有考慮用于通信。
- Regarding expressway ambiguous-path loop network as a closed circuit, the authors adopt the Node Method or Mesh Method to extract the current for each branch as net passing probability stream. 摘要將高速公路二義性路徑環(huán)網(wǎng)視作一個(gè)封閉回路，以節點(diǎn)法或網(wǎng)孔法求得各支路電流作為網(wǎng)絡(luò )通行概率流。
- ITU-T, Recommendation G.983.1: Broadband optical access systems based on Passive Optical Networks (PON), October 1998. 張翎，發(fā)展中的寬帶接入-商務(wù)與技術(shù)戰略，中國網(wǎng)通集團研究院，2003
- The model HE-3-TLOSL cryostat has optical access to the sample as well as top loading of the sample into the cryostat. He-3-TLOSL型低溫恒溫器帶有光學(xué)窗口，采用樣品頂部安裝。
- This paper analyzes and compares the technology of optical access networks: APON and EPON, especially the construction and data transmission of EPON. 文章從光接入網(wǎng)的分類(lèi)出發(fā),對無(wú)源光網(wǎng)絡(luò )的幾種實(shí)現技術(shù)進(jìn)行了分析與比較,對EPON技術(shù)的結構及數據傳輸進(jìn)行了重點(diǎn)分析研究。
