To acquire the waveform of the arc voltage and the arc current in welding, a date collection system and digital filter is designed in this paper. The experimental result shows that it is Satisfied.
文中介绍了一种为获取焊接过程中的电弧电压及电弧电流波形，设计的一套数据采集系统及数字滤波器，通过实际运行证明收到了满意的效果。
Objective Using barcode technique to establish the sample information management system, which in order to avoid manual mistake in the process of sample collection and date transmission.
目的利用条形码技术，研制适合中国国情的条形码检验信息管理流程，杜绝标本采集和数据传递过程中的人为差错。
On the other hand, it made use of the function of date measure to realize the data collection, display and print of current waveform in order to improve the information level of whole system.
另一方面，利用数据检测功能实现对焊接电流波形的采集、显示和打印，以提高整机的信息水平。
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