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本文介绍了一种软盘数据采集装置。它可用于现场采集四路微伏级的电生理信号,同时将其连续记录于5(1/4)吋软盘上。其存贮格式与IBM—PC机兼容,因而采写的数据可以很方便地在PC机上回放和分析。该装置是结合心室晚电位的采集而设计的。本文着重介绍装置的结构、原理以及各主要环节的实现方案。
This article describes a floppy disk data acquisition device. It can be used to collect four micro-volts of electrophysiological signals in the field, while continuously recording it on a 5 (1/4) inch floppy disk. Its storage format is compatible with IBM-PC, so the written data can be easily played back and analyzed on a PC. The device is designed to capture ventricular late potentials. This article focuses on the structure of the device, the principle and the realization of the main aspects of the program.