通信技術局 的英文怎麼說
中文拼音 [tōngxìnjìshùjú]
通信技術局
英文
telecommunication & technology department-
We are the specialist manufacturer specialized in the production of bicycle rime, as well as one of the largest manufacturers at domestic. we have sophisticated equipments, strong technical force and 8 automatic production lines. the annual production capacity can reach more than 3. 5 million sets. we can supply chrome plated wheel rims and stainless steel wheel rims of various kinds and specifcations. we can also customize rims according to the special needs of the customers. through ceaseless endeavor and the support of all the circles of the society for over ten years, the factory has been entitles as “ contract sticking, credit keeping ” enterprise by changzhou business & industry bureau, the products are exported to more than thirty nations and regions such as america. italy and japan thtough domestic famous foreign trading company and self - exporting. we also provide fittings to the known bicycle factories such as “ phoenix ”, “ forever ” and “ goodbaby ”. the products are welcomed by the customers
本公司是自行車車圈的專業生產廠家，也是國內最大的專業生產廠家之一，我公司設備精良，技術力量雄厚，擁有自動化生產線8條，年產車圈350萬套以上，可為擁護提供各種系列，各種規格的鍍鉻鋼制車圈，不銹鋼車圈等，用戶如有特殊要求，也可洽談製造供貨，十幾年來，公司通過不懈的努力及社會各界的支持，公司已連續十二年被常州市工商局評為「重合同、守信用」企業，並且通過國內十家知名的外貿公司及本企業的自營出口，產品已遠銷美國、義大利、日本等世界上三十幾個國家和地區，同時也為國內的「鳳凰」 、 「永久」 、 「好孩子」等幾十家知名的自行車廠配套服務，深受用戶好評。Based on an analysis of uhf ( ultra - high - frequency ) characteristic of pd ( partial discharge ) in power transformer, using mixing technique, a signal disposal cell has been devised for the sake of facilitating common data sampling card
摘要在分析了電力變壓器局部放電的超高頻特性的基礎上，利用混頻技術，設計了局部放電超高頻信號的信號調理單元，方便普通數字採集卡採集。This paper uses embedded internet technology, computer networking technology, power line data transferring technology, organically combines the tcp / ip basing computer networking architecture and plc basing bus architecture, import agent idea and finishes the designation, implementation and debugging of ia supervising system, which controls appliance through lan and internet in real time
本文採用嵌入式internet技術、計算機網路技術、電力線數據通信技術，將基於tcp ip協議的計算機網路結構與基於plc （ powerlinecommunication ）的總線結構有機地結合起來，引入agent思想，構建了家電監控網路，進行了家電網路監控系統的硬體軟體的設計、製作和調試，能實現在局域網乃至internet網上對家電的實時監控。2. applying manchester coding theory to meet the end of collision detection and codes judgment effectively. 3. using pulse position modulation ( ppm ) coding theory that is invented especially for optical communication in the air to ameliorate the system ' s performance by improving the system ' s character of pe. 4. taking good advantages of the fledged lan communication protocols and technologies to achieve a new method that has a high rate of capability to cost in building a wireless lan
論文研究中主要的創新性工作如下： 1 、提出利用光散射通信技術組建無線局域網，方便地實現了廉價而高速的局域網內微機的光互連； 2 、採用曼徹斯特編碼技術解決了光無線通信中代碼判決和碰撞檢測的技術難題； 3 、針對空氣通道的特點，利用ppm編碼技術降低通道誤碼率、改善系統性能； 4 、在光無線局域網中利用現有的成熟有線局域網協議和技術，從而保證了系統的實用性及改善了系統的性價比。In a word, this thesis not only expounds the whole structure of stability control of power system based on the theory of control decisions, but also designs software and hardware of sub - control - station, which are different from others. there are several advantages as listed below : 1 ) distributed hardware architecture function modularization realization of communication between modules by high - speed network communication technology ( can ) ( interconnecting 256 modules or mainframes ) flexible, convenient, reliable expansibility of hardware and decreasing system risk. any broken cell only affects local cell
總之，論文不僅在控制策略理論的基礎上，闡釋了穩定控制系統的整體架構，而且研製設計出新穎的區域穩控子站裝置軟硬體，其優點體現在： 1 ）分散式硬體結構體系功能模塊化採用高速網路通信技術（ can ）實現模塊間信息交換（最多支持256個模塊及機箱之間的互聯）硬體擴展靈活方便、可靠，降低系統風險，任一單元損壞隻影響局部2 ）實時信息網（控制網）和管理網（監測網）分開。With the development of the fiber communication, very high speed fiber optic backbone has being closed to the customer, but few customers has connected to fiber backbone directly. on the other hand, many customers are running some high speed network within their lan, such as fast ethernet ( 100mbps ), or gigabit ethernet ( 1. 0gbps )
隨著光纖通信技術的發展， 2 . 5g - 10gbps的光纖干線正在不斷的向用戶延伸，但由於成本和光纖敷設工程上的難道，只有很少的用戶直接和光纖干線相連，通常光纖只延伸到了路邊、小區；另一方面，許多用戶內部的局域網也具有很高的傳輸速率，一般為100mbps甚至1gbps的以太網。In the base of investigating and analyzing to working theory, measure methods and relevant standard, the text processes particular analyses to the working theory of billing system and reason of making billing wrong and puts forward technology index and measure method that can externally evaluate the capability of billing system and is suit to the situation of our country. some indexes and measure way are put forward for the first time ( example error of call clock, time error and measure method to moving exchanger ' s billing system. ) through analyzing telecom charging way, charging users, charging point and charging methods of telecom basic and all kinds value - added operation and utilizing the newest measure apparatus, modern measure technology, communication technology and probable method, this text puts more scientific, efficient and easily operated measure methods and process a uncertain analysis to measure methods
本文在調查和分析國內外局用交換機計費系統工作原理、檢測方法和相關標準的基礎上，對計費系統的工作原理和產生計費錯誤的原因進行了詳細的分析，提出了適合國情的能夠客觀評價計費系統計量性能的技術指標和檢測方法，有些指標和檢測方法在國內相關資料中屬首次提出，如通話計時誤差和時刻誤差和對移動交換機計費系統的一些檢測方法；本文通過對電信基礎業務和各類增值業務的計費方式、計費用戶、計費點和計費方法的分析，利用國內外最新檢測儀器、現代檢測技術、通信技術和概率統計方法，提出了較科學、有效和利於實施的檢測方法，並對檢測結果的測量不確定度進行了分析。Postal integrated network applies modern computer and communication technology, adopts advanced postal operation method and business disposal mode, to realize the interconnection between electrical postal branch and central bureau, central bureau and central bureau, production department and relevant various levels management departments
郵政綜合網是應用現代計算機技術和通信技術，採用先進的郵政作業手段和業務處理模式，實現郵政系統各部門之間的聯網。電子化支局系統是郵政綜合網中的一個子系統。Based on rough sets, we develope a knowledge discovery system as a part of idss used in a platform developed for electronic government affairs, which has been appraised by the science and techology bureau of hefei and put into use to boost intelligent elec government and has satisfactory performance. and the development of the knowledg discovery system is also a part of the project from the national natural science foundation ( 60273043 )
開發了基於粗糙集的智能決策系統中的知識發現子系統，此系統應用於已經通過合肥市科學技術局的鑒定並推廣使用的電子政務信息交換平臺中，取得了滿意的效果，促進了電子政務智能化進程，並且開發的知識發現系統也是作為國家自然科學基金項目的0273043 ）一智能軟體體系結構和組件技術的研究的一部分。The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on
主要包括： maxwell電磁理論；發送光場模型；空間通道模型；計算機網路通信技術：無線局域網通信技術；媒體訪問控制規程（ mac ） ；載波檢測多址接入碰撞檢測規程（ csma cd ） ；曼徹斯特編碼與ppm編碼技術等。In communications, a circuit, or channel, interconnecting two exchanges or switching units, capable of being switched at both ends provided with the necessary signalling and terminating equipment
在通信技術中，兩個交換局或交換機之間的連接電路或通道，它能夠在兩端之間進行轉接，並提供必要的信令和終端設備。On the other hand, recent advances in communication and modulation methodologice, as well as in adaptive digital signal processing and error detection and correction, have opened the way for the development of effective medium access control and physical layer protocols that support power line communications ( plc ) networks operating at speeds comparable to those obtained from specially wired and more recent wireless local area network in mid - 2001, an industrial standards organization called the homeplug powerline alliance, originally founded by 13 companies including cisco, motorola, intel, panasonic, and texas instruments, announced the completion of the homeplugl. o specification for a l. 0mb / s class in - home power line networking technology based on orthogonal frequency - division multiplexing ( ofdm )
但是，近年來通信和調制技術的發展，特別是自適應數字信號處理和錯誤檢測及糾正技術，使電力線通信技術出現新的mac層和物理層協議，其性能可以和一些專用有線網路以及最近十年流行的無線局域網技術想媲美。在2001年，一個由13個公司（包括cisco ， motorola ， intel ， panasonic ， andtexasinstruments ）組成的組成的標準組織? ? homeplugpowerline聯盟，頒布了完整的homeplug1 . 0規范，改規范使基於正交頻分復用技術，主要針對10mb s室內電力線網路技術。At the same time j2ee platform technologies are discussed deeply, such as j2ee platform technologies, communication technologies, ejb component technologies and so on. the design model based on the mvc frame is applied in the system development, so that the separation between the present logic and the business logic in the application is realized. finally, according to the problems found in the development process, the paper explains particularly the kay technologies in the realization : the uniform naming service is realized by realizing the service locator partten using the value object pattern, all the status data is encapsulated into a serializable object, then transferred among the client, sessionbean and entitybean in order to decrease the potential network traffic caused by reference of entitybean ; in order to improve the performance of data storing and taking, we introduce the facade model to escapsulate the ejbs which delegate the data model
本論文結合了杭州市財政局的會計人員從業資格管理系統的升級項目，研究了基於j2ee的ejb組件模型的多層分散式體系結構的設計與實現：深入探討了三種分散式處理技術（ rmi ， corba ， com ）的區別，將j2ee平臺的ejb技術與windowsdna體系的com +技術從多個角度進行了比較；詳細闡述了在系統開發過程中j2ee平臺的幾項核心技術（如： j2ee平臺的服務技術、通信技術、 ejb組件技術等）的應用；引入了源於mvc三部件框架的設計模式，實現了應用中表現邏輯與業務邏輯的分離；最後，結合在開發過程中遇到的問題，詳細解釋了開發過程中實現的關鍵點：用servicelocator模式實現了統一的命名服務管理；運用valueobject模式將所有狀態數據包裝成一個可序列化對象vo ，然後在客戶機、 sessionbean與entitybean之間傳遞，減少了使用實體bean造成的潛在網路通信量；以及引入sessionfacade模式，用sessionbean封裝了entitybean ，改善了數據存取的性能。It was clear that homeplug is now recognized as one of three attractive in - home net working solutions, together with ethernet and wi - fi ( ieee 802. 11lx )
顯然，電力線載波通信技術現在已經被看作使3種主要的室內網路解決方案之一，與以太網，無線局域網（ ieee802 . 11x ）相互補充。The integration of wireless acceleration sensor for structural global monitoring, the integration of wireless strain sensor for structural local monitoring, their corresponding network ’ s topological strucuture, the network ’ s communication protocol, saving energy and the network ’ s experiments are studied systemly, the main contents include : 1. for strucutal global monitoring, the electronics components are compared, anlysysed and seleced. on this base, the design modulization method is used for designing and debugging sensing disposal module, micro - processing module, wireless transceiver module and power module, and thus a wireless acceleration sensor node with digital interface is integrated using the above modules
本文在充分研究傳感技術、信號處理技術、無線通信技術的基礎上，針對土木工程結構整體性態監測的無線加速度傳感器集成、結構局部性態監測的無線應變傳感器集成以及相應的無線傳感器網路拓撲結構、網路通信協議、網路能耗處理、網路試驗等問題進行了系統的研究，主要研究內容如下: 1 .針對結構整體性態監測的需要，從設計的小型化、低功耗、低成本、高可靠性角度出發，對相關電子器件進行了比較、分析、選擇;在此基礎上，採用模塊化設計方法，對傳感處理模塊、微處理模塊、無線收發模塊以及能源模塊分別設計、調試，進而集成了基於數字介面的無線加速度傳感器節點。The paper gives a project to realize speech communication between teacher and student in network, which is based on speech ' s compression and decompression technology, network communication technology and multithreading technology. the point - to - point full duplex and real time speech communication in network is implemented on lan by using peer to peer model, udp communication technology and simple data - compression method, and programming to the full duplex sound card
以語音壓縮編解碼技術、網路通信技術和多線程技術為主要理論基礎，給出了教員與學員間語音網路通訊的具體實現方案：採用對等模式及udp通信技術和簡捷的數據壓縮技術，對全雙工聲卡編程，在局域網內實現點到點的全雙工的、實時的語音通訊。Information technology - communication interface connectors used in local area networks
信息技術.局域網路用通信介面連接器The current technology of traffic engineering is built on ip over atm, which becomes outdated due to new network communication technology ' s appearing and developing
然而當前基於覆蓋模型的流量工程技術的局限性，由於新的網路通信技術的出現和發展日益明顯。During the last century, the vhf ( very high frequency ) communication has been applied in the ship ' s transportation, as well as radar and arpa also could identify ships in the marine. but they could n ' t adapt to the needs of the modern navigation because of their limits. the rapid development of the digital communications technology, computer technology and net ware technology supports the needed technology of ais ( automatic identification system )
上個世紀， vhf通信技術被廣泛地應用於船舶通信；雷達、 arpa具有識別船舶的功能，但是由於自身的局限性而無法適應現代航運安全的需求；隨著數字通信技術、計算機技術以及網路信息技術的飛速發展， ais的技術基礎已經搭建好，在航運界對助航設備的要求越來越高的情況下，船舶自動識別系統應運而生。This paper researches a practical engineering project - a technical reform on an dispatching & supervising system of tangshan limited corporation, which involves the technology of computer control. communication and net. the system realizes the real - time supervision in the center of dispatching, the data collection of the signal equipments of the railway station, and the data transmission from live to the center of dispatching, at the same time, supplies the interface for distance user to visit the lan of the center of dispatching and for the lan to connect the internet
本碩士論文選題源於一個實際的工程項目?唐山鋼鐵股份有限責任公司調度監督系統的技術改造，該項目綜合了計算機控制技術，通信技術和現代網路技術。本系統在調度所實現了對現場車站信號設備的實時監視，在現場車站實現了對信號設備狀態的數據採集，並實現了從現場到調度所的遠程數據傳輸，同時為遠程用戶訪問調度所的局域網和局域網連接到internet提供了介面。分享友人