Electric and spectral information of droplet transfer in pulsed GMAW are collected by using picking system,the image of droplet transfer is also quasi-synchronously shot by high-speed camera.

• 利用同步采集系统采集了固定脉冲GMAW熔滴过渡过程的电信息和光谱信息,准同步拍摄了电弧的图像信息。