synchronized transmission 中文意思是什麼
synchronized transmission
解釋
同步傳輸- synchronized : 同步的
- transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
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In transmission system, the original signal is modulated to ofdm signal after be coded in dpsk. and in receiving system, the modulated ofdm signal is synchronized and demodulated
在發射端，將以一定速率輸入的二進制信息在進行dpsk編碼后調制到基帶ofdm信號上，在接收端，對已調制的ofdm信號進行同步和解調。 -
Section 2 studies the database access management technology based on microsoft sql server 2000 which is the nuclear technology of database management module in data synchronization system sever, and emphisizes on ole db database access technology. section 3 introduces two kinds of block cipher algorithm used in data synchronization system. : gost algorithm and rijndael algorithm, meanwhile offers interfaces in which encryption algorithm can be userdefined. this is the necleus of encryption module in data synchronization system server and client. section 4 studies network transmission management technology. this section mainly explores programming model and the network interface technology using completion ports to develop server which is the key technology of network transmission management module in data synchronized system server and client. section 5 introdues the brief using approach in data synchronized system server and client as well as some improvement suggestion
第二部分研究了基於microsoftsolserver2000的數據庫訪問管理技術，著重介紹oledb數據庫訪問技術。它是數據同步系統服務器端數據庫管理模塊的核心技術。第三部分介紹了數據同步系統中利用的兩種分組密碼演算法： gost演算法和rijndael演算法，同時給出了一個用戶可以自定義加密演算法的介面。 -
Electronically synchronized transmission assembly
電子同步變速裝置 -
And software method can resolve d channel ' s work for its less data communication ; 3 ) cpu 80c152 is synchronized with mc145572 by a simple synchronous circuit, avoiding the complex fpga interface circuit ; 4 ) data transmission use dma, which reduces the delay of data transmission and cpu occupying ; 5 ) 8bit software look - up table method can achieve 16bit crc quickly, which reduces the resource of both hardware and software
對通信數據量相對小的d通道，採用軟體實現裝幀與解幀。第三，採用結構簡單的外部同步時鐘電路實現80c152和接入晶元mc145572的同步傳輸，巧妙地避開了復雜的fpga介面電路。第四，利用dma技術完成數據快速收發，降低了數據傳輸時延及cpu佔用率。
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