forward error check 中文意思是什麼
forward error check
解釋
前向查錯-
The dissertation expatiates on the concept framework and architecture of content - based error control methodology, puts forward a content description model, and proposes error control methodologies corresponded to content features of different levels. moreover, experiments are carried out for validity check and effect evaluation
論文闡述了基於內容的差錯控制方法的體系結構，提出內容描述模型，針對不同層次的內容特徵，提出了相應的差錯控制方法，並進行了實驗測試分析和效果評價。 -
Firstly, the discrete multi - tone processing in an adsl central office - side interface card is detailedly introduced. the processing mainly includes timing, framing, interleaving, forward error correction, cyclic redundancy check, constellation encoding, inverse fast fourier transform processing, prefixing, d / a converting, and amplifying. secondly, a kind of interface named utopia level 2 is used as the network interface, with which many adsl devices are linked with one atm layer
本文比較詳細地闡述了數字用戶線接入模塊（ dslam ）開發方案中， adsl局端介面模塊的dmt編碼與調制過程，討論了其組網應用方式以及基於atm的網路側介面utopia2技術，分析了adsl與其它寬帶接入技術的相互聯系和優缺點，並介紹了方案中所採用的一些關鍵技術，包括在線插拔技術、系統同步啟動和故障自動重起技術以及高速數字信號完整性的保證技術等等。
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