網接入子系統 的英文怎麼說
中文拼音 [wǎngjiērùzixìtǒng]
網接入子系統
英文
anas atm network access subsystem atm- 網 : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
- 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...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 接入 : insert; join up; switch on; cut over; turn on; switch in; reset; put in; place in; cut in; throw ...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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The user can input the catenary material needed for its inspection expediently and accurately with the source material input subsystem. the real - time processing subsystem can incept, transform, compose, display and save the data transmitted from the inspection subsystem of the high - speed catenary inspection vehicle. the result analysing subsystem can display, save, contrast, report and mimeograph in many forms the inspection results, according to the many kind of condition choosed by the user
原始資料錄入子系統可以讓用戶直觀、快捷、正確地輸入檢測接觸網所需的接觸網原始資料;檢測數據實時處理子系統能及時、正確地接收、轉換、合成、顯示、存儲前置系統傳送的檢測數據;檢測結果分析子系統能按照用戶選擇的多種條件,以多種方式對檢測結果顯示、存儲、統計、對比、報表、列印和回放。From the introduction of the structure and characteristic of dcs, the analyzing in process and control peculiarity of huaxin type cement kiln and the analyzing in the ordinary forms of computer control system in the cement plant, to determine the feasibility of application of the dcs in computer control system of huaxin type cement kiln ; introduced the structure of the system hardware, constitutes and characteristic of the industrial network, the characteristic and the performance in industrial control system of the software system ; illuminated the whole course of the design and the application of simatic s7 - 300 programmable controller in the industrial producing process profoundly : the protraction of a control flowchart ; the confirmation of the control scheme in every cell ; how to workout a table of the all controlling and measuring dots in the control system ; how to set up a plc control project ; the configuration of the hardware and the network in project ; illuminated the course of how to program the plc control program in detail ; how to establish a connection between the plc and the programmer ; how to download the configuration and the program of the plc project ; the configuration of control center software simatic wincc ; the whole course and the methods of the control system debugging ; illuminated the essential in the course of the design in project and program ; illuminated the problem and its respondence maybe encountered in the project ; illuminated the superiority of the new control system in inspecting, operating and its stability ; discuss the development of the computer control system in the application of the huaxin type cement kiln
從介紹了dcs的結構、特點和分析華新型水泥窯的工藝控制特點及當今在水泥窯計算機控制系統上採用的幾種常見形式的比較出發,分析了在華新型水泥窯應用dcs的可行性;詳細介紹了系統硬體結構、網路組成及特點、所採用的軟體體系的特點及其在工業控制應用中的性能;深入詳細地說明了西門子s7 - 300可編程序控制器在華新型水泥窯控制上應用及設計的全過程:控制流程圖的繪制;單元控制方案的確定;系統控制測點表的編制; plc控制項目的建立;項目硬體及網路的組態; plc控製程序的編制過程並詳細說明了控製程序的編制思路; plc與編程器連接的建立; plc項目組態及控製程序的下載; wincc監控軟體的組態;控制系統的調試過程及方法;對設計和使用的要點及系統調試時應注意的問題進行了說明;對項目的實施后的華新型水泥窯控制系統在操作和控制上及其在系統易維護性、系統穩定性上的優勢進行了說明並討論了華新型水泥窯計算機控制系統的發展方向。This paper discusses some important technologies closed to dtv receiving system deeply, base on scn and cctv. it includes mpeg - 2 system level, dvb service information, conditional acceptance. it also describes how to realize epg, ca, upgrade on line etc based on the dtv service information technology at lengtho now, the production of this design is applied to the digital tv products of cctv and sichuan tv net
本論文結合數字電視在四川廣電網和cctv的具體應用情況,深入研究探討了與數字電視接收系統緊密相關的部分關鍵技術,包括mpeg - 2系統層結構分析、 mpeg - 2和dvb業務信息分析、數字電視條件接收基本原理和加解擾及加解密技術,並詳細敘述了如何運用數字電視業務信息技術實現了電子節目指南、條件接收、在線升級等基本業務。A qos - support protocol, m - dcf, and its schedule model are proposed. by providing different contention window for different classes, the higher class frames the higher access probability. the simulation proves that m - dcf has better performance than dcf protocol on system throughput, discard ratio, frame discard ratio of higher classes, average access delay of different classes
提出了為不同等級幀提供不同競爭窗口的改進型dcf : m - dcf協議,並給出了m - dcf的調度模型,通過採用不同的競爭窗口,為不同n西安電子科技大學博士學位論文:無線局域網和ip服務質量關鍵技術的研究的應用提供了不同的接入概率,保證了qos ;模擬結果證明了m一dcf在系統吞吐率、丟包率、高等級業務丟包率、不同等級業務的平均接入時延等方面都優于dcf協議。Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays
二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀測中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監測隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。In the new century, all of our staff are looking forward to welcome you with high quality service ! the new century hotel is located near the beautiful xuanwu lake and railway station. it is a 10 minute walk to the international exhibition center, 2 minutes to nanjing railway station, and 40 minutes driving to lukou international airport
酒店314間套各式湖景客房,裝修豪華裝飾典雅,可收看cnn hbo家庭電影頻道衛視電影臺等35套國內國際衛星頻道,並配備vod數字點播系統及ddn寬帶網路,您可通過網路高速專線或wlan無線上網直接進入internet ,盡情享受沖浪的樂趣和網上電子商務活動的便捷。Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。First, it gives a snapshot of some typical self - organized routing protocols in manet. then the design of self - organized routing algorithm based on ktrp is elaborated as the main part of this dissertation, including the choosing of key nodes, the main algorithm modification of ktrp to accommodate with the interior routing in subnet, the access flow between two layers, primary packet formats, tables, and ip routing algorithm. at last, the simulation model of the self - organized routing algorithm
本文首先分析了現有的manet自組織路由協議;然後針對本信息傳輸分系統的網路結構,詳細分析了基於ktrp的子網內部以及相鄰層間的自組織路由演算法的設計,包括對多個關鍵節點的選取、為適應本課題子網內路由通信而對ktrp做出的主要演算法更改、相鄰層間接入互連的流程、自組織路由演算法中涉及的主要報文格式和表,並且舉例說明了ip選路演算法;最後對所設計的自組織路由演算法進行了模擬,以驗證演算法的有效性。Considering the characteristic of a campus network accessible to subsystem, a high availability accessible to subsystem model based on backup routing through ask and dial is designed and implemented after analyzing the subsystem structure, availability and three backup methods through dial
摘要結合校園網接入子系統的特點,在分析校園網接入子系統的結構和可用性以及三種撥號備份方法的特點的基礎上,提出並設計和實現了一種基於請求撥號備份路由的高可用性接入子系統的模型。The multi - media communication system studied in the paper is applied to safe production monitor and management system in pengzhou, sichuan province, which is also can be used in video phone, long - distance education, traffic management, no man monitor system etc. in a word, the research can be widely used in copper - wire net access systems
本研究課題出自四川省彭州市遠程安全生產監控與管理信息系統的多媒體通信子系統,所用n ? isdn接入具有廣泛的適用性,根據應用的具體情況,稍作改動即可在可視電話、遠程教育、交通管理、無人值守監測監控等方面發揮作用,故在銅線網接入環境下具有較高的推廣應用價值。Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design
根據閥門cad發展趨勢,針對成都乘風閥門有限責任公司閥門設計現狀,本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統,主要完成的工作和成果如下:根據公司提供的幾種不同結構閥門的二維工程圖紙,利用mdt三維設計平臺建立了三維參數化基本圖形庫,其中包括所有零部件和總裝配模型圖及二維工程圖;依照閥門設計的一般步驟設計了參數編輯器,用來對閥門尺寸參數進行編輯、輸入、輸出等,具有參數雙向同步顯示功能,使用十分靈活方便;根據用戶的需求,為了使設計達到精確、可靠、實用的要求,設計開發了輔助計算器,能自動完成閥門設計過程中所需的各種結構計算,並可以輸出閥門設計計算說明書;為了使設計人員更具有競爭力,本系統利用internet intranet技術設計開發了虛擬設計中心子模塊,虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能,可以讓設計師直接使用服務器上的應用程序,與intranet internet上的其他設計專家進行交流、共享軟體資源,實現遠程協同設計。This paper researches the technique of mobile orientation and the gpsone technique based on cdma, based on it linking the technique and application, the paper puts forward location based service ( lbs ) flat roof in order to falling the application developing doorsill. this paper gives the design patterm. and combining the patterms of application validates the validaty of location based service system
本論文深入學習了無線定位的技術理論及體系結構,掌握了基於cdma網路的無線定位技術gpsone ,在此基礎上,將其與業務相結合,提出了位置服務本地接入子系統平臺,並給出其設計的模型結構,解決了降低業務接入門砍的技術問題,並結合開展業務模式的分析驗證了位置服務本地接入子系統的有效性。Consequent content of this article is about how to design and implement a high - speed email capturing engine which is also the main course of my work. it includes constructing a transparent networks gateway, capturing ip packets, restoring smtp emails, and the implementation of a re - entered mail queue with two buffers
接著詳細介紹了作者的主要工作:實現透明網關的郵件截獲引擎,包括透明網關的搭建、數據包的捕獲、郵件的還原、以及一個雙緩沖可重入郵件隊列的實現,並為垃圾郵件判定子系統提供了介面。The web - managing center for ctc domestic web - managing system includes user access subsystem, core handling subsystem, data controlling subsystem, web subsystem and net management subsystem, satellite interface subsystem and others
神州天鴻民用網管系統包括陸地用戶接入子系統、核心業務處理子系統、數據管理子系統、 web子系統、系統及網路管理子系統、衛星介面子系統等部分。Second, the essay design the bluetooth ap system in software and hardware, it including the realization of local station ( access point ) on the can network and the remote station which communicating with each other by bluetooth wireless transmission
然後,具體實現了藍牙無線接入子系統的軟體和硬體的設計製作,包括can網路上本地站的設計實現和遠端藍牙站的設計和實現。E - commerce material flow manage system is a complicated systems engineering, this paper particularly discusses the developmental necessity and feasibility of postal logistic in baicheng, and designs the blue print of postal logistic in baicheng. this e - commerce material flow manage system in baicheng is a big logistic service platform with the open and safe business data exchange function, with ‘ 11185 ’ telephone client service center, ‘ bc183 ’ internet attaching into, wap and electronic post - office terminal as multiple way attaching into, and with ‘ green card ", " bank unionpay " and others as manifold payment methods. it can offer some e - business services from business accepting, distinction, saving, distribution transport, delivery to stock - in - trade
此系統以電子商務各類標準和ca認證安全體系為保障,以「 11185 」電話客戶服務中心、 bc183網際網路接入、 wap以及電子化支局終端等為多種接入方式,以「綠卡」和「銀聯」等為多種支付手段,具有開放的、安全的業務數據交換功能的電子商務物流服務大平臺;向廣大用戶提供從業務受理、分揀、儲存、配送、運輸、投遞,到為客戶提供存貨管理、配貨集運、支付代理、信息服務等電子商務綜合物流服務。The thesis is composed of the four parts : in the first part, this thesis gives a presentation of the research background, and points out the essentiality of the research ; in the second part, the theories and techniques of software engineering which are used in the research are produced ; the third part discusses the systems analysis of the data processing software for the catenary system inspection ; in the last part, the thesis dissertates the design and realization of the software as the order of the source material input subsystem, the real - time processing subsystem and the result analysing subsystem
論文分為四大部分:第一部分介紹本課題的研究背景,指出進行本研究的必要性;第二部分介紹進行本軟體開發所用到的軟體工程原理與技術;第三部分對接觸網檢測數據處理軟體進行了系統分析;第四部分依次對高速接觸網檢測車數據處理軟體的三個子系統:原始資料錄入子系統、檢測數據實時處理子系統和檢測結果分析子系統的設計與實現進行論述。The ip multimedia subsystem introduced by 3gpp ’ s r5 specification take sip as the only session control protocol covered the user access, call control and service logic execute layer. accordingly, sip has been developed to support correspondent capabilities
3gpp在r5版本中提出的ip多媒體子系統將sip作為唯一的會話控制協議, sip跨越了ims網路的接入、控制、業務三個層次,相應地sip要具備接入控制、會話控制、業務生成三個層次的能力。Along with computer functions more powerful, cost reducing, especially because of hardware cubage reducing greatly, power cost falling, software developing fast and networks prevelence, many electronic productions which can be linked to internet gains ground every aspects of people ’ s life in embedded sysytem modes
隨著計算機功能的日益強大,成本減少,特別是由於硬體體積大大縮小、功耗降低,計算機軟體的快速發展和計算機網路的全面普及,大量可接入網際網路的電子產品以嵌入式系統的方式普及到人們生活的各個方面。Besides transmission network which constitutes the main import of this thesis, it has also touched upon the interfacing technology and requirements of the related communication sub - systems in order to meet the international standards and be compatible. 3
圍繞傳輸網這一主線,提出了涉及其他各通信子系統介面需求和技術要求,在技術上如何容納接入各子系統的全部信息,符合國際標準和互相兼容。分享友人