This article introduces all kind of control method of pulse melting pole in gas protection welding, and divided them into two kind: parameter control and melt dripping transition accurate control.
全面系统地介绍了脉冲熔化极气体保护焊的各种控制方式，并明确地把它们分为两类：参数控制和熔滴过渡精确控制。
The motion equation satisfied by an induced polarization of a two level atom interacting with laser pulse is derived by using a nonperturbation method.
通过非扰动方法导出了与线偏振激光脉冲相互作用的二能级原子的诱导极化所满足的运动方程。
A function space model and corresponding pulse transfer function matrix of multirate digital control systems are constructed by using function space method and two different lifting techniques.
采用函数空间的方法，利用先后两次的提升技术，构造出多采样率数字控制系统的函数空间模型和相应的脉冲传递函数矩阵模型。
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