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CCD Multi-channel Real-time Data Sampling System Based on AT89C52
Author(s): 
Pages: 57-59
Year: Issue:  9
Journal: ELECTRONIC ENGINEER

Keyword:  实时数据采集系统主从分布式结构DMA传输方式CCD;
Abstract: 介绍了由5个单片机AT89C52构成的针对5 000位线阵CCD(电荷耦合器件)的分布式实时数据采集系统,系统采用RS-485通信协议的主从式网络通信结构;介绍了由DMA(直接存储器存取)传输方式构成的高速采集电路的设计和实现;用单片机C语言编写整个系统的控制软件;系统具有精度高、速度快、结构简单等特点,可广泛应用于现代高速高精度实时数据测量的军用、民用控制系统,具有一定的启发性和极大的应用前景.
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