統計多路訪問 的英文怎麼說

中文拼音 [tǒngduōfǎngwèn]
統計多路訪問 英文
statistical multiple access
  • : 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 ...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 動詞1. (訪問) call on; interview; visit 2. (調查; 尋求) inquiry into; seek by inquiry [search]; try to get
  • : Ⅰ動詞1 (請人解答) ask; inquire 2 (詢問; 慰問) question; ask about [after]; inquire about [aft...
  • 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
  • 訪問 : visit; call on; interview; access; addressing; reference to
  1. Being a widely utilized public ip platform, it is susceptible to security attacks of all nature, as outlined in the following areas : the open nature of the ip internet systems - increase of foreign attacks, for example dos / ddos attacks ; the current weakness of the existing operating system ' s internet protocol ; mainframe, and lack of an evaluation standard for back office systems, the inevitable problem of illegal internal access, the lack of guidelines for record keeping and post attack documentation processes, hi addition, still in existence, are managerial problems including the lack of securit y knowledge amongst the workforce and the inexistence of a complete set of security guidelines. to guarantee china telecom ' s 163 / 169 system ' s reliable functions, to protect the user ' s interests, at the same time, insuring quality service, it is necessary to adapt p2dr model as a solution to the current security issues. supported by the modern secure theory and made the secure implementation abundant project practices, this paper gives the general secure design for the chongqing public ip network using p2dr secure model

    中國電信建設的公眾ip網對我國internet的發展起著決定性作用,重慶電信163 / 169網際網是國家骨幹網在本地的延伸,擁有7個核心節點(採用cisco12012 、 2 * 2 . 5gdpt環) ,三十八個匯接節點,能提供寬帶,窄帶種接入方式的公眾ip網,現擁有近20萬用戶,佔全市網際網用戶四分之三以上,作為這樣一個擁有眾用戶,開放的ip平臺,會受到各種各樣的安全威脅,主要表現在ip網的開放性,來自外部的攻擊增,如dos / ddos攻擊;所使用的操作系運行的網協議自身的脆弱性;主機、網設備的配置是否缺乏評估手段;不可避免的內部非法;缺乏必要的攻擊審作為犯罪取證,出此之外,還有管理上的一些題,如人員安全意識不強,安全制度不夠健全等方面原因。
  2. Based on the three layer architecture technology, the platform system is developed by microsoft visual studio. net, and it realizes the operating module on database based on component technique of ado. net interface ; sql server 2000 is as the database management system, defines some key tables of database, designs an realizes the functions of appending, querying and renewing services, such as the organization, personnel, production, project and information issue of the scientific research management, respectively in the research part of ispssrm ’ s development, it first analyzes inadequacies and technological difficulties of the original edition of ispssrm, then discusses the problem of dealing with diagonal line, the combination of multi - table, the design of query on dynamic tables, and the web report forms, and the extension of the service function such as the applying and estimating in web, and finally proposes the concept to extend the function of ispssrm

    Net開發工具,基於三層結構技術實現了web業務功能模版;基於ado . net介面的組件方式實現了數據庫操作,在數據存儲層使用sqlserver2000作為后臺數據庫管理系,定義了數據庫關鍵表;設實現了科研管理的機構、人員、成果、項目、信息發布、維護等業務的添加、查詢、更新功能。在ispssrm的發展研究部分,首先分析了ispssrm原型系的不足之處及存在的技術難題,探討了動態表格的斜線處理、表合併、查詢設及web的列印題以及網上申報、評審功能模塊等業務功能的拓展,提出了擴展ispssrm的功能的思。 ispssrm現已經在蘇州大學科研處投入試運行,為高校的科研管理信息化建設、提高科研管理水平提供了一個切實可行的方案。
  3. If the technicians applied technology in the wrong, even achieving the business logic, but probably leading to many vices including low performance, low scalability, close coupling, low software duplication. so how to assemble the j2ee technology reasonable and achieve a system with high performance and high expansibility is my research emphasis in the thesis. in order to solve the problems and implement efficient web application, the paper put forward ejs _ mvc model according mvc pattern and we can assemble component by using ejs _ mvc model, it can solve many problems of web application and improving system with clear flow and clear function partition, in addition, due to controller is the most importance in the ejs _ mvc model, so the thesis also discuss some problems about controller design ; if the model is not designed accurately, system performance will encounter fatal influence, so the article lucubrate ejb technology from ejb choice, ejb optimized design, database access, design pattern etc and bring forward some strategies and methods about how to build efficient business tier ; finally based on ejs _ mvc model, a example that contains simple business logic is developed according to the object - orient software engineering thinking and some strategies and methods proposed by the thesis, in the process of achieving system function, the emphasis is probing into how t o assemble and apply technology reasonable and providing a new thinking thread and method contributing to build high effective and flexible j2ee application

    由於j2eeweb應用是由組件組成,因此為了解決上述題,實現高效的應用,本文首先從如何合理組合組件入手,找到一種方法使各組件能具體分工而又緊密合作,在深入研究各組件基礎上,根據mvc模提出了ejs _ mvc模型概念,指出可按此模型組合各層組件,該模型可以解決傳web開發中存在的題,而且具有系流程與系功能劃分清晰,可擴展性、可維護性強等優點,另外由於控制器是ejsmvc模型的重中之重,它起到承上啟下的作用,它設好壞直接關繫到整個應用的性能、伸縮性與擴展性,因此又探討了控制器設的有關題;另外如果模型設不當的話,對系性能造成的影響可能是致命的,因此本文又從ejb組件選擇、 ejb調優設、數據庫和設模式等方面對ejb技術作了全面的分析研究,指出在業務層中如何避免太遠程調用和提高業務層性能,特別是根據前面的分析總結出了業務層的優化分層組合模型,這個模型的使用無疑會使業務層具有較高的性能與伸縮性;最後選擇一個業務邏輯較簡單的系,使注意力集中到運用的j2ee技術上來,按照ejs _ mvc模型與軟體工程流程以及本論文所提出的方法與策略實現業務邏輯,在實現過程中具體探討如何合理運用組合技術,就層j2ee體系結構的設思想作深入的探討實踐,為實現高效、靈活的層j2ee應用提供一種新的思及方法。
  4. It becomes more difficult to manage, integrate and share the control system real - time data when we set up the industrial real - time database because of complicated affair between every department and isomeric character of the system. a three - level - structure model and the method to establish database is provided based on corba criterion with its character of being regardless of programming languages, hardware platform and network protocol. a universal real - time database faces multi - system is also set up by learning the distributed criterion, it can realize the request broker, and the application software can visit the database pellucidly ; thus the power station simulation model can be linked with the control system such as infi90, ovation and be made use of the control object, a closed simulation and control experiment system is set up

    在創建工控領域實時數據庫時,企業各部門間的復雜事務及內部異構性給實時數據的管理、集成和共享帶來了一定的困難,根據corba規范具有語言無關性、平臺無關性和網協議無關性的特點提出基於分散式算規范corba的三層體系結構模型及建立與維護實時數據庫的方法和途徑;通過corba規范建立面向個分散控制系的通用實時數據庫,實現數據代理,使應用軟體可以透明地對實時數據庫進行、存取、管理;將infi90 、 ovation分散控制系與火電廠模擬機模型進行有效的互連,以全物理過程模擬數學模型為對象,構建了閉環控制模擬實驗研究系,實現數據的高效連通及管理;進而通過基於corba的實時數據庫構建一個從火電廠模擬機對象到過程式控制制設備再到sis系的綜合自動化試驗平臺。
  5. This master degree thesis, based on the observing of developing actuality of on - site electrical apparatus monitoring technology, aims at overcoming the problems existing in former on - site monitoring system, such as unable to realize multiple channels sampling and hold, unable to carry out multiple channel programmable magnification, unable to monitor frequency, low pick up bits, external rom low speed data saving, inefficient data query method, inflexible debugging and installation, low precision etc. by introducing eda ( electrical design automation ) technology, we put forward a creative circuit design scheme, which can considerable updated the on - site monitor system

    本文根據電氣設備絕緣在線監測技術的發展現狀,針對以往在線監測數據採集系存在的集成度低,不能實現并行采樣,不能實現通道同時程式控制放大,不能進行同步頻率監測,采樣位數較低,採用外部存儲器方式,對數據進行查詢的方式,安裝調試不靈活等缺點,提出了應用現代微電子技術電子設自動化( eda )技術實現對在線監測數據採集系的改進。
  6. In unix system, it is necessary to add module of control and audit based on users. by adding a net module called iplog in solaris, the goal is fulfilled and therefore the safety of operation system is strengthened. it is shown that the method is effective solution with not very heavy load

    對于用戶的unix需要有基於用戶的網控制和審。通過在solaris中編寫網模塊iplog的方法,在內核之外實現了,增強了操作系的安全性。實際使用結果表明這種方式在網負載不大的情況下是一種有效的解決方式。
  7. According to my reference, there are many schemes for the personal firewall technology and each has its own advantages and disadvantages. a new double filtering packet based on kernel and user mode scheme is presented in this paper with the development of the personal firewall technology : in the kernel mode, we develop the network driver program to implement the raw net packet capturing through the ndis hook technology, and also we accomplish the net packet filtering according to the control canal rules, in the user mode, we develop the dll program to implement the services based on socket capturing and filtering through the winsock2 spi technology, thereby we overcome the shortcoming during caputuring packet by kernel mode or user mode only, greatly improve the system security nature

    通過參考目前市場上種個人防火墻的設方案,並且分析比較各個設方案的優缺點,結合目前個人防火墻技術的發展趨勢,提出一種基於內核態和用戶態雙重過濾的設方案:在內核態採用ndishook技術開發ndis網驅動程序實現對通過網的原始數據封包截獲,並且通過控管規則完成對數據封包的過濾;在應用態採用winsock2spi技術開發動態鏈接庫( dll )程序實現了對基於socket網連接通信的服務截獲和過濾,從而克服了單方面從用戶態或核心態截獲數據包的缺點,極大提高了系的安全性能。
  8. The main research contents are as follovvs : after the analyzing of the process of making train diagram, according with its character, and take into account the trend of innovation, chooses the total solution based on the b / s architecture, 3 - tier operation distributed and 2 - tier data distributed to separate the data from operation and simplify the development and maintenance ; the e - r data model that is accord with the 3nf criterion is designed after analyzing the data structure of the train diagram system. emphasis on the permission security of the distributed system, take the view schema, coupled with the login authentication and permissions validation, to ensure the data accessing domination, and take the synchronization, error control, and restore capability to advance the data security ; on the basis of b / s solution architecture, after comparing the existing transportation technologies, b - isdn and adsl is selected as the major solution architecture based on the package - svvitched networks. furthermore, error control, firewall, and encryption techniques are introduced to prevent the hacker attack and ensure the networks safety

    論文的主要研究內容包括:對目前我國列車運行圖管理體制和編制流程進行詳細分析,根據其「幾上幾下」的特點,並結合未來「網運分離」體制改革的變化預測,選擇採用與之相適應的基於b s體系架構、三層業務分佈、二層數據分佈的整體方案,實現業務與數據的分離,降低開發與應用過程的復雜度和總體成本;對列車運行圖系的數據信息進行分析,設符合3nf規范的數據e - r關系模型,並著重研究處于分散式系中的列車運行圖數據信息的權限和數據安全題,提出以視圖模式結合用戶識別權限審定實現數據權限劃分,以並發處理、容錯技術、恢復技術提高系的數據安全性;在基於b s架構的系整體方案基礎上,對當前種數據傳輸技術進行分析比較,採用b - isdn為主幹網、 adsl為接入端的基於公用數據網分組交換技術的系體系結構,並針對網自身安全性和黑客攻擊與侵入題,詳細討論綜合採用差錯控制、防火墻、數據加密解密等技術手段提高系的網安全性能。
  9. The emphasis of the paper is focused on the database flux control, server load balance and encrypted network communication. in this thesis, the system model of the middleware is firstly introduced, then we introduced the design and implementation of every part of the middleware one by one

    論文主要研究了數據庫中間件在服務器環境下的系模型、結構及實現方法,重點研究了該中間件設和實現中數據流量控制、服務器負載平衡、網傳輸安全等關鍵技術。
  10. The network scheme of power supply section, the hardware and software environment of this system and the database access mode are introduced briefly. besides, it discuss the method of gis and multimedia for pushing to deal with an emergency, aimed at the approach of video data management. the idea of video database is brought in the management of the video data in this system, and the segmentation and indexing are implemented using simple method

    敘述了系概要設的方法步驟,尤其是由數據流圖到軟體結構圖的轉化過程;介紹了幾個主要功能的實現方案和數據推送技術;簡單介紹了供電段的網建設方案、系軟硬體環境的選擇和數據庫模式的選擇;闡述了事故搶修智能支持的gis解決方案和媒體解決方案,並著重闡述了視頻數據管理的實現方法;在視頻數據管理中成功引入了視頻數據庫思想,用簡單實用的辦法實現了視頻數據的分段和檢索。
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