The circuit has a characteristic of high accuracy of voltage transfer and current transfer, simple structure, easy realization, low cost, and good utility.

该电路具有电压传输和电流传输的精度高、结构简单、易于实现及成本低廉且实用性好的特点。

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The waveforms of the welding voltage and current, corresponding to short-circuit metal transfer of CO2 GMAW, are evaluated to acquire the characteristic of short-circuit metal transfer.

介绍了熔滴过渡的数据采集系统，采用多种数据处理方法对焊接电压波形和电流波形进行分析，并从中提取出短路过渡的熔滴过渡特征。

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