頻分多路訪問 的英文怎麼說

中文拼音 [bīnfēnduōlùfǎngwèn]
頻分多路訪問 英文
frequency-division multiple access fdma
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 訪 : 動詞1. （訪問） call on; interview; visit 2. （調查; 尋求） inquiry into; seek by inquiry [search]; try to get
  • 問 : Ⅰ動詞1 （請人解答） ask; inquire 2 （詢問; 慰問） question; ask about [after]; inquire about [aft...
  • 訪問 : visit; call on; interview; access; addressing; reference to
  1. With the evolution of network technologyjnternet takes more and more great part in our life. in the same time, the security of network become the focus of people. the traditonal method used for defence is adopt as strategy of prohibit, such as firewall, encrypt, access control, security system e. t. these methods all have some impact on defence, but from the view of system security management. but they are not enough only for defence. intrusion detection system can detect outside attack or misuse, it is an kind of logical compensation for defence

    隨著網路技術的迅速發展，網路日益成為人們生活的重要部分，與此同時，黑客頻頻入侵網路，網路安全問題成為人們關注的焦點，傳統安全方法是採用盡可能多的禁止策略來進行防禦。目前採用的手段有防火墻、加密、身份認證、訪問控制、安全操作系統等，這些對系統非法入侵都起到一定的作用。然而從系統安全管理角度來說，僅有防禦是不夠的，還應採取主動策略。
  2. 4. to decrease the usage of network resources by network management systems even more, combined with the fact that the performance of network management is affected by the scheme to collect management information, a new algorithm - gpa ( group - prefetching algorithm ) has been put forward used for retrieving management information from the element level in heterogeneous wan ( wide area network ). gpa can adjust many little retrieving objects into one prefetching group to access by using the schemes of group prefetching, objects of group changed self - adaptively, fault tolerance etc., and thus can decrease the frequency of retrieval, use fewer network resources and decrease the network overhead without alteration of iiop, snmp or cmip too

    4 .為進一步減少網路管理系統對網路帶寬的佔用，結合被管對象信息的收集策略直接影響網管系統性能的特點，針對異構大型網路環境下多管理對象的信息收集問題，提出了一種提取多管理對象信息的新演算法?組預取演算法gpa （ group一prefetehingalgorithim ） ，該演算法同樣能在不改變管理協議，如iiop 、 snmp或cmip的情況下，採用組預取策略、組對象自適應擴充策略、組對象自適應收縮策略、容錯策略等，將多個分散的、處于相同或不同被管設備上的、在未來一段時間內的管理對象的訪問組合在一個預取組中進行訪問，減少對管理對象的訪問頻度，從而可以較少佔用網路資源，減小整個網路開銷。
  3. Frequency - division multiple access fdma

    頻分多路訪問
  4. The net go toes the teaching to have already become a main current direction that develop of education ; the teaching on the network have broken restricts in time and areas, share profits to use the resources advantage of the school, and is a kind of exploitation network to proceed teaching of gathering voice images video data in the hand overing of integral whole with each other remote education courseware ; user can view the multi - media teaching by interview the hypertext pages ; is a kind of method of sharing the information means, conveniently and quickly

    基於internet的現代遠程教育通過構建一個開放性的教育環境，克服了傳統教育在時間、空間上的限制，對于有效地發揮現有各種教育的資源優勢，實現資源的合理配置，發展教育事業起著非常重要的作用。網上教學已成為教育發展的一個主流方向，充分利用學校的資源優勢。網路課件是一種利用網路進行教學的集語音圖像視頻數據於一體的交互遠程課件；可以使用戶通過訪問超文本頁面瀏覽多媒體教學；是一種方便迅速的共享信息手段。
  5. 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

    敘述了系統概要設計的方法步驟，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路建設方案、系統軟硬體環境的選擇和數據庫訪問模式的選擇；闡述了事故搶修智能支持的gis解決方案和多媒體解決方案，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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