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本文介绍脉冲幅度调制(PAM)式遥测数据采集与处理系统,该系统采取二台CMC—80微电脑轮换进行数据采集和向主微机Z一80成批传送数据的工作方式。所有数据都存在软磁盘上。系统能对8路参数进行实时处理,用CRT显示8路参数的条图和进行实时打印。能即时进行上下限报警和发散振荡报警。事后可将所有数据进行打印或用x-y记录仪绘制各路参数的图形。文中叙述了系统的结构原理,并给出了主要软件的流程。
This paper introduces pulse amplitude modulation (PAM) telemetry data acquisition and processing system, the system uses two CMC-80 microcomputer rotation data acquisition and data transmission to the main computer Z-80 batch mode of work. All data exists on the floppy disk. The system can process 8 parameters in real time, and display the bar graph of 8 parameters with CRT and print in real time. Real-time upper and lower limit alarm and divergent oscillation alarm. Afterwards all the data can be printed or graphically plotted with x-y recorders. The article describes the structure of the system principle, and gives the flow of the main software.