By this method, we can design a data acquisition system in which an alternating pulse serves as the input signal with a microcomputer.
采用这一新的方法，可用计算机设计输入信号为交替脉冲的这一类数据采集系统。
The method and the device acquire and judge the alternating current directly, shorten the signal acquisition time and the protective time during overcurrent.
本发明直接对交流电流进行采集和判断，缩短了信号采集时间和电流过流时的保护时间。
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