The increase of the preheating and liquid copper temperature of copper clad steel wires makes the cladding ratio down and the remelting time short.
钢芯线预热温度和铜液温度的升高使包覆比下降，重熔时间缩短。
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.
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。
A group of experiments show that the increasing of hot end length will increase cooling down time, cold tip temperature and hot end temperature evidently, but pressure ratio will decreases.
通过一组实验研究了脉冲管热端长度对性能的影响，包括脉冲管热端温度、冷端温度、降温时间、压比。
The improved algorithm selects the band width and down sampling ratio with the shortest computation time in accordance with the parameters.
在保证频谱细化要求下，此改进算法可根据参数选择运算量最小的滤波器带宽和选抽比。
The improved algorithm selects the band width and down sampling ratio with the shortest computation time in accordance with the parameters.
在保证频谱细化要求下，此改进算法可根据参数选择运算量最小的滤波器带宽和选抽比。
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