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本文主要讨论采用APPLE-Ⅱ微型计算机快速采集活塞式压缩机气缸压力和实时数据处理系统。侧重介绍处理流程、示功图求积、压力标定以及求积中几个主要问题,并给出有关程序。 一、系统组成 整套系统,除了活塞式压缩机外,还包括APPLE-Ⅱ微型计算机、数据通道（电阻应变压力传感器、直流放大器和A/D用转换器）、打印机、磁盘驱动器、CRT等,如图1所示。CPU为6502微处理、RAM为随机存贮器、ROM为只读存贮器。
This paper mainly discusses the use of APPLE-Ⅱ microcomputer rapid acquisition of piston compressor cylinder pressure and real-time data processing system. Focus on the introduction of the process flow, plot plot plot, pressure calibration and quadrature several major issues, and gives the relevant procedures. First, the system consists of a complete system, in addition to the piston compressor, also includes APPLE-Ⅱ microcomputer, data channels (resistance strain pressure sensor, DC amplifier and A / D converter), printers, disk drives, CRT, Figure 1 shows. CPU is 6502 micro-processing, RAM is random access memory, ROM is read-only memory.