单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
采用水平集方法描述结构的拓扑及其变化，使用紧支径向基函数对计算区域的水平集进行插值以得到参数化的水平集方法。
The level set method was adopted to describing the structural topology and its change, and the compactly supported radial basis function was introduced to getting the parametric level set method.
本文关于基尼系数的简易计算公式及其理论最佳值的分析，为中国城乡合一的基尼系数的测算及分析提供了一种新的思路。
The analysis of the best theoretical value and the concise calculation formula of Gini coefficient in the paper provided a simple and quick way to calculate Gini coefficient of China as a whole.
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