A displacementthreshold was used to control DC upset butt welding process, and constant pressure and varied pressure tests were carried out on Q235 a steel strips.
采用位移门槛电压控制焊接过程，对Q 235 - A钢进行了变压式和等压式扁钢带直流电阻对焊试验。
2
Based on the correlation of tobacco primary-color signals, the optimization of tobacco signal threshold can be achieved by means of displacement, rotation, and two-dimensional fitting.