data frames 中文意思是什麼

data frames 解釋
數據幀
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • frames : 車架
  1. The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph

    其中，地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作，解決了不同格式空間數據的互相轉換問題；線路錄象播放將線路錄像數據作為系統的一種索引數據，活動影像的畫面與里程相對應，實現了基於線路錄像的播放、查詢和檢索的功能，實現了基於活動畫面的查詢檢索功能；數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。
  2. The bridge can continue push the dvb - c transport stream coming from the receive card to the universal media player to display online. in order to be compatible with the data rate in the bridge, the parser must have these functions : identifying the format of each elementary stream ( es ) ; repacketing the es frames or packets into small samples ; timestamping each sample for decoding and delivery by the arithmetic of getting the pts of an audio frame

    音視頻解析器的設計兼容了橋接器對數據推送的速率，在該解析器中通過「解析音視頻基本流」演算法來識別出每一個流的格式、每一幀數據，並對這些數據重新打包成一個個數據sample ，再通過「音頻pts的獲取」演算法給這些sample打上正確的「 directshow 」時間戳，最後在相應的輸出pin上進行發送。
  3. At the same time, combined with the current situation and development trend of computer, communication and information management, the author advanced the basic frames and functions for designing the office automation. in this research, we advanced an office automaton project based on lotus domino / notes and realized the main parts : constructed the collaboration flat based on lotus domino, developed the data interface by which nonstructural notes database can access structural relative database, based on this, intergrated the organization workflow, information management and the other operation systems into one flat, then multilayerly disposed and used the information very expediently, laid the groundwork for communicating the information circulatio n inside and outside the organization and realizing the non - paper work.

    在本課題的研究中，提出了一種基於lotusdomino notes平臺的辦公自動化方案，並實現了該方案中主要部分：搭建了基於lotusdomino的協作平臺，開發了非結構化的notes數據庫訪問結構化的關系數據庫的數據庫數據訪問介面，以此為基礎，將組織中的工作流、信息處理以及其它業務系統都集成到一個協作平臺上，從而較便捷地對信息進行多層面的處理與使用，為溝通組織內、外信息的流通，實現無紙辦公奠定了基礎。
  4. In chapter 4, the system model based on the theory of multi - agent was built for simulation experiment. 3 groups of agents, data - gathering agent, data - disposing agent and decision - making agent were brought forth with their frames, functions and key technologies to realize them

    第四章討論了基於多agent理論的模擬實驗系統的開發，介紹了數據採集agent 、數據agent和決策agent的結構，功能及實現技術。
  5. The research indicates that the subassemblage and prestressed frame joint has good seismic performances and anti - crack behaviors, providing theoretical support and test data for the spreading and appling the subassemblage and prestressed concrete frames in our country

    本文研究表明，預壓裝配式框架節點具有良好抗震性能和抗裂能力，為預壓裝配式預應力混凝土結構在我國的推廣應用提供理論依據和試驗資料。
  6. 2. a comprehensive framework is developed for the above model. those include functional modules, related data structure, frames of message encoding, certificate management database, ring of keys, concrete information flows for access control and so on

    完整設計了模型的整個可實現框架：包括各組成模塊的功能、相關數據結構和消息編碼格式、證書管理庫和密鑰環的設計，以及具體的訪問控制流程等。
  7. It is because certain paths are blocked that a loop free topology is possible. data frames received on blocked links are dropped

    因為某些特定的路徑被阻隔，所以才有可能建立沒有?圈的拓撲。在阻隔連結上所收到的資料訊框將被丟棄。
  8. The real time server is described first, which emphasizes on some key points such as entry control, the design of data frames and cache control. it shows the effect of data compressing to the progress of multimedia application vigorously

    在實時服務器端的解說中，闡述了接入控制、數據幀設計、緩沖控制等技術的關鍵點，並展示了數據壓縮技術的發展對多媒體應用的巨大推動作用。
  9. In order to realize the conversion and unification of the data in different datum frames, converting parameters through robust estimation is put forward when the precision index of the two different coordinates cannot be obtained

    針對在無法獲知兩個坐標系下公共點成果精度指標的情況下，提出了利用穩健估計理論合理求解轉換參數的一種方法。
  10. The pid parameters is transmitted to field equipments by hart data frames to make the systems work smoothly. high precision sensors, if working temperature varies between great ranges, will be affected badly

    由於傳感器實際工作環境的溫度變化幅度是很大的，對于高精度的傳感器，溫度誤差已成為提高其性能指標的嚴重障礙。
  11. At the same time, deadline field is introduced into periodic data frames to differentiate their emergency degree, and non - preemptive edf scheduling method is applied to improve the end - to - end delay of periodic data field

    同時還在周期性數據幀中引入截止期限欄位來區分其不同的緊急程度，並對其採用非中斷的edf調度方法來改善周期性數據幀的端到端延遲。
  12. The physical data frames will be transformed into the forms of ip packets when they arrive at every router nodes. the ip data packets are stolen easily because they are plaintext in every router nodes

    物理數據幀經過各路由結點時還原成ip數據分組的形式進行路由轉發，這時的ip數據分組以明文方式存在，信息內容極易泄露。
  13. Typically a message consists of a control frame followed by zero or more data frames

    一般來講，一條消息由一個控制幀和其後零個或多個數據幀組成。
  14. In this method, data frames and characteristic of tms320c5402 chip are used

    提出了一種利用數據幀結合tms320c5402晶元特性進行時鐘同步維護的方法。
  15. If errors occur, then the data link layer is responsible for detecting such errors and retransmitting the data frames

    如果發生錯誤，那麼數據鏈路層有責任檢測，並重發數據幀。
  16. Adaptive modulation can also control quality of service according to transmitted information type and greatly increase capacity of system. the data frames in adaptive modulation communication system must be redesigned. because the sender must tell the receiver the current modulation mode by some bits in the data frame and the receiver must gain the current channel condition from the data frame in order to control its modulation mode and symbol rate

    因為發送方須通過數據幀中的某些比特來通知接收方當前的調制方式和符號速率；同樣，接收方也須從數據幀中某個域的比特流來獲得當前的通道條件信息，從而去控制其調制方式及符號速率。
  17. By utilizing the busy tones to realize the multicast reliability, rmac has three novelties : it uses a variable - length control frame to stipulate an order for the receivers to respond, thus solving the feedback collision problem ; it extends the usage of busy tone for preventing data frame collisions into the multicast scenario ; and it introduces a new usage of busy tone for acknowledging data frames positively

    例如， ieee 802 . 11 ，現今應用最廣泛的無線mac協議，僅在單播unicast通信方式下提供可靠數據傳輸服務，而對于組播和廣播兩種通信方式，它僅傳輸數據一次，即使數據傳輸出錯，也不會重傳。然而近幾年來，由於無線網路應用的蓬勃發展，人們逐漸認識到在mac層提供可靠組播服務是非常必要的。
  18. Aiming at the data characteristic of industrial ethernet, periodic real - time data and non - real - time data is discriminated by the introduction of ieee802. 1q priority field in ethernet data frames, the former is given priority to transfer

    摘要針對工業以太網的數據特點，通過在以太網數據幀中引入ieee802 . 1q優先級欄位來區分周期性實時數據和非實時數據，並對前者優先進行傳送。
  19. This paper analyzed p - persistent csma / cd protocol and proposed a new adaptive algorithm for the adjustment of the coefficient p by real - time channel traffic sensing based on the feedback control theory, i. e., changing the value of p dynamically through the analysis of networks " flow to control the behavior of the stations sending data frames in the same collision domain, to keep the media channel in an optimal state and to enhance the channel transmission efficiency

    該演算法基於對網路流量的分析，在osi物理層通過通道信息量的在線實時檢測，根據反饋控制的原理，在數據鏈路層動態地調整控制輸入參數p ，從而控制站點發送分組數據幀的行為，使通道處于最佳的傳輸狀態，提高通道的效率。
  20. Test reports and the effects of application show that this method can reduce the interval of data frames simply

    實際應用表明，該方法實現簡單，能有效減少數據傳輸時間間隔。
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