data link modem 中文意思是什麼

data link modem 解釋
數據鏈路數據機
  • 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...
  • link : n 1 環鏈環。2 (編織物的)鏈圈。3 (鏈狀物中的)一節(多節香腸等的)一節單節小香腸。4 承前啟后的...
  • modem : n. 【無線電】數據機。vt. 【計算機】通過數據機向…發送電子郵件。vi. 用數據機聯通。
  1. Through calling various function of the mscomm activex control provided by vb to realize serial - parallel communication and programming the modem. it can realize the function of establishing data link circuit and gathering the electrical parameters of transformer by pstn and so on

    本文通過對vb提供的用於串列通信的mscomm控制項所提供的各種功能的調用以及對modem編程,實現了從數據鏈路的建立到通過公用電話網對變壓器電量數據採集等多項功能。
  2. At the beginning, this paper has some brief dissertation on the basic principle of the dsl and the multimedia data compression, the key technique of sdsl, the transport protocols, and the data transfer system structure based on the twisted - pair. then it gives an analysis of the point - to - point data link protocol ( ppp ) and the real - time transmission protocol in detail, which provide the side - to - side transmission service for audio frequency and video frequency data, and so on based on the these, we developed a multimedia sdsl modem system used to transfer data and phonetic

    本文首先對dsl系統和多媒體數據壓縮技術的基本原理、 sdsl的關鍵技術、傳輸協議以及基於雙絞線的數據傳輸系統的結構進行了簡要的論述,並詳細分析了點到點的數據鏈路協議( ppp協議)以及實時傳輸協議,其為音頻、視頻等實時數據提供端到端的傳送服務。可以向接收端傳送恢復實時信號必需的定時和順序信息,並向收發雙方和網路運營者提供qos監測手段。
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