集中交換系統 的英文怎麼說
中文拼音 [jízhōngjiāohuànxìtǒng]
集中交換系統
英文
centralized switching system- 集 : gatherassemblecollect
- 交 : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 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 ...
- 集中 : concentratecentralizefocusamassgroupmassingput togather
- 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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Making use of the packet data service and short data service of tetra, the mcs system enables front - line officers to use their portable radios and in - vehicle mobile data terminals mdts to exchange data messages with rcccs
流動電腦信息系統利用地面集群無線電的封包數據服務和簡短數據服務,令前線警務人員可以使用手提無線電通訊機和車上的流動數據終端機與總區指揮及控制中心交換數據信息。Based on the categories of exchange information and the activity model of production operations management contained in s95 standard, the production information of vestee enterprise have been collected and classified, and the flow of information is analyzed and constructed
摘要以s95標準中交換信息的分類和生產運行管理活動模型為基礎,針對裝飾布企業車間生產的特點,對有關生產調度信息進行了系統地收集、整理和歸類,並對其流程進行了分析與構建。On the other hand, by the statistical analysis of historical flow data, the system can model the network traffic flows, and forecast short - term network flows. after that the system can analyse the network traffic abnormity. by use of the netwok management system and network security facility, we can setup a security infrastructure to monitor flows in real time, predicts the future flows, alarm some abnormal flows, respond to the abnormity automatically and immediately
論文通過定期採集網路關鍵設備,包括匯聚層和核心交換層的流量情況,處理后以結構化、層次型的方式保存起來,一方面提供了圖形化的用戶介面,將收集的各種歷史數據和實時數據在其中以圖形的方式直觀地顯示出來,另一方面通過對歷史流量數據的統計分析,從而對網路流量進行建模,短時間預測網路流量情況,實現對網路流量異常情況的觀察分析,利用有充分響應能力的網路管理系統和網路安全設備,構成響應和預警的綜合安全系統。In an indirect system, the collector loop is separated from the high - pressure city water supply by a heat exchanger
在非直接系統中,收集器的循環與由熱交換器提供的高壓城市水分隔開。On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well
本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及軸載組成情況,根據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面軸載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。In this paper, management entropy theory and its integrated evaluation system was introduced into enterprises ’ human resource and its management evaluation process, and we revealed the law of the decrease in the efficiency of human resources management systematically when enterprises ’ human resource and its management were under a closed system ; but in an open system, because of the exit of management dissipation and dissipation structure, human resource management system exchange materials, energy and information with the outside world constantly, the rule makes negative management entropy and management entropy showed shiftily in an enterprise
本文將管理熵理論的企業綜合集成評價體系引入到企業人力資源及其管理的評價中,系統地揭示企業人力資源及其管理在封閉系統地狀態下,人力資源管理效率遞減的規律;而在開放系統中,由於管理耗散、耗散結構的存在,人力資源管理系統通過不斷與外界進行物質、能量和信息的交換過程,使得管理負熵和熵處于交替運動的狀態,人力資源及其管理效率呈現波浪式運動的特徵。In some cases, systems have failed because the collector fluid in the loop thermosiphoned and froze the water in the heat exchanger
在一些情況下,系統因為迴路中的收集器流體產生虹吸現象,且在熱交換器中的流體凍結,而造成失效。The second part tracks the technology of information security and electronic security protocol which is advanced nowadays and will be applied in later sectors. the third part analyses secure demands of e - business and design general system frame of secure electronic business. the forth part analyses data flow and transaction process in the systems of electronic payment based on set protocol and ssl protocol distinctly, then designs them. systems of electronic payment consist of four logic parts, including client side, payment server, payment gateway, which is designed in fifth part
本文從應用的角度出發,通過跟蹤研究國內外先進的信息安全技術和安全電子交易協議,對支付型電子商務業務及其安全需求作了詳細的分析;分別設計了基於set協議和non ? set協議的電子支付交易流程及系統中各組成部分(包括客戶端軟體、支付服務器、支付網關)的基本功能模塊,能較好實現商家、顧客、企業、銀行之間的信息流、資金流的傳遞及安全保障;接著就電子支付系統實現過程中的信息交換和系統集成等方面的問題作了探討,並給出了基於j2ee和xml的解決原型。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly
但是高性能的交流調速系統實現很困難,這是因為交流電機是多變量、強耦合的非線性系統,不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題,其基本思路? ?應用坐標變換將三相等效為二相,實現定子勵磁電流分量與轉矩電流分量之間的解耦,達到對交流電機磁鏈與電流分別控制的目的,交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步,計算機技術飛躍發展,高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中,促進矢量控制迅猛發展,日趨成熟。The embedded supervision module is in charge of collecting, managing and transmitting functions
嵌入在監控模塊中的操作系統( uclinux )負責處理各個電源模塊與監控模塊間的數據收集、處理和交換。Since the early 1990s, when the electronics industry came to the stage of digital technology, china has broken through in high - end series personal computers and servers, large - scale parallel computer systems, chinese electronic publishing systems, large - scale spc exchanges for central offices, mobile communications systems, sdh wdm fiber communications systems, thin route satellite communications systems, new generation digital video terminals, manufacturing technology for 0. 8 - 0. 35 m cmos integrated circuit chips, etc
到90年代進入數字技術階段,高檔系列微機和服務器產品、大規模并行計算機系統、中文電子出版系統、大型局用數字程式控制交換機、移動通信系統、 sdh波分復用光纖通信系統、稀路由衛星通信系統、新一代數字視頻終端、 08 ? 035微米cmos集成電路晶元製造技術等,都有突破性進展。First of all, the development of the digital trunked communication system is summarized, and the technical characteristics of several prevail worldly digital trunked communication systems are compared. in view of the domestic situation, the tetra digital trunked radio communication system is chosen as the studying and developing model. with the study of control technology of softswitch, the protocol of the v + d air interface and the multiple use of channel is analyzed, the base station control unit of the digital trunked communication system is discussed, the calling control flow is designed
本文首先綜述了數字集群移動通信系統的發展狀況,針對目前國際上流行的數字集群體制的技術特點進行了比較和分析,並根據我國的具體國情選擇了tetra數字集群系統作為研究和開發的重點,結合對軟交換控制技術的研究和分析,對集群系統重要的v + d空中介面協議及其通道復用進行了較為深入的剖析,對數字集群實驗系統的基站控制部分進行了論述,對呼叫控制流程進行了設計。The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches
主要研究內容包括:交通量的產生根源及一般影響因素分析和當前公路運輸地位討論;從交通分配理論及經典配流方法著手,通過分析城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素,初步提出路段交通量的形成機理,並採用效用極大原理和非集結模型理論( disaggregationmodel ) ,建立用戶出行路徑選擇概率模型;對路段阻抗及路阻函數(尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系)進行較為詳盡的分析,並以現階段國內外較為先進的研究成果為依據建立相應的成本測算模型,其中,特別提出了兩種確定客貨車輛時間價值的分析方法;離散分析法和時間-費率轉換法,後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法;對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析;從數學的角度證明合理費率的存在性,並以最優化理論為基礎,建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。It discusses the characteristic of each level in osi model from the point of wwan first, then analyses clearly the primary technologies used in gprs / sms / csd and a topology structure model of the wwan based on gprs / sms / csd is presented. it also deeply discusses the integrate technology of gprs / sms / csd in a example of fujian environmental automatization system, at the same time a network model of wwan based on gprs / sms / csd is brought forward. last, there are the module programmers of the system
本文從計算機開放系統互聯參考模型入手,按osi參考模型7層協議結構順序,逐步介紹了在無線廣域網環境中osi層次模型的特點,在此基礎上,詳細分析了gprs / gsm技術和簡訊息技術,並給出一個基於gprs /簡訊息/ csd的無線廣域網的網路拓撲結構;以福建省環境自動監測監控系統的分析和設計為例,探討了現階段gprs技術和簡訊息技術、電路交換技術在無線計算機網路系統中的集成問題,並給出了一個基於gprs /簡訊息/ csd的無線廣域網網路模型,最後是系統的模塊程序設計。This paper describes the basic features and components of data warehouse system, and deals how to use description - driven technology to integrate different data warehouse systems, how to implement the change from one data schema to another, how to clean dirty data in data transformation process, and how to exchange data among different components or systems. at last, this paper takes two products to illustrate how to implement systems following these principles and methods. these two products are the e - chain system as an application in commerce domain, and the ftedws system as an application in engineer test domain
本文分析了數據倉庫系統軟體的基本特徵,提出了利用描述驅動技術來實現數據倉庫系統的集成管理,描述了etl操作和分析處理的基本處理流程和相應的執行構件,定義了集成框架中數據模式轉換規則和數掘清洗規則,構建了一個基於星型模式和對象模型的分析模型和相應的數據查詢語言,提出了集成框架系統構件間的數據交換標準,並定義了基於此標準的的數據交換和元數據交換方法,探討了集成框架標準構件管理的基本方法和權限管理,最後介紹了數據倉庫集成框架系統在商業領域的應用實例e - chain系統和工程試驗領域的應用實例ftedws系統。Ln these years the quick develop1nent of fabric com1nunication technology make the switch systeln becoini11g ti1e barrier of lnodern high speed communication network. so study, design and lllanulhcture high speed switch system are very important for modern high speed communication network
這幾年光纖通訊技術的飛速發展使得目前高速通訊網路性能的瓶頸集中在高速交換系統,研究、設計和製造高速交換系統對目前高速通訊網路有極其重要的意義。With the development of communication, information and electronic technology and computer network, intelligent transport system ( its ) is paid more and more emphasis, it contains many parts, such as vehicle type recognition and license plate recognition. in this paper, we introduce svm to the field of its, the main work is described as follows : ( 1 ) we summarize the latest research achievements and development of its, present the conceptions of slt and the principles of svm ; ( 2 ) taking the traffic sign as examples and adopting hough transform in the stage of feature extraction, we introduce svm to the problem of shape recognition and compare the experimental results with traditional learning methods. ( 3 ) then we use svm to settle the vehicle type recognition problem, where we utilize the wavelet analysis and mathematical morphology method to extract the figure feature
本文將支持向量機引入智能交通系統領域,主要進行的工作如下: ( 1 )整理總結了國內外學術界關于統計學習理論方面的研究成果,介紹統計學習理論的基本概念和支持向量機的基本原理; ( 2 )在形狀識別問題中以交通標志圖像作為實驗對象,利用hough變換進行特徵提取,在識別階段利用支持向量機方法進行分類,並與神經網路等傳統學習方法對比; ( 3 )將支持向量機應用於車型識別問題中,針對收費站採集的汽車圖像,首先採用小波分析和數學形態學的方法提取其外形特徵,在識別階段利用支持向量機方法進行分類,並與其他傳統學習方法進行了對比; ( 4 )將支持向量機應用於車牌識別問題中,車牌識別包括車牌定位、車牌字元分割以及字元識別三個步驟,先採用數學形態學方法對車牌區域進行定位,然後採用top - hat變換等方法分割車牌字元,在識別階段採用支持向量機演算法進行字元識別,取得了較為滿意的結果。This article uses cpld technology to improve the hardware integration degree so as to ensure the high system reliability ; it applies digital signal process technology to producing and recognizing large volume ditigal voice signals in switch systems ; it replaces the old - used special voice signal process chips, thus lowers the cost, improves the quality ; it uses high quality common pc 104 units to complete the main processor tasks, which greatly improves the signal processing capability in the digital switch systems, and provides a great convinence for future technology upgrade as well ; in system archtecture, we exploit modular design technique on client ports and repeater ports, which gains more reliability and easy maintenance
本文主要採用了cpld技術提高硬體的集成度以保證系統的高可靠性:用數字信號處理技術完成交換系統中大量的語音信號的產生和識別,代替以前的專用語音信號處理晶元,降低了成本,提高了性能:用高性能的通用pc104單元完成主處理機的工作,大大提高了數字交換系統的信息處理能力,並為今後的技術升級提供了方便:在系統結構上對用戶埠和中繼埠採用模塊化設計,性能可靠,維護方便。The operating system of network6000 is windows nt, it can exchange the dynamic data, as well as it links the application of windows. it assures that the system has real time and graph user interface
Network6000集散控制系統,它的操作系統採用windowsnt作為實時操作系統,因而即實現了動態數據交換( dde )功能,又與windows應用程序鏈接起來,將實時數據送到windows應用程序中。分享友人