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.
应该等待足够的时间,使开关瞬态信号衰减,电流达到稳定,然后再进行测量。
The current should be measured after a sufficient settling time to allow the switching transients to decay and the current to stabilize.
泄漏电流随时间呈指数衰减,所以通常需要在一个已知的时间期间内施加电压(浸润时间),然后再测量电流。
The leakage current will decay exponentially with time, so it's usually necessary to apply the voltage for a known period (the "soak" time) before measuring the current.
该A 3979包括一个固定关断时间电流稳压器,有能力在慢,快或混合衰减模式。
The A3979 includes a fixed off-time current regulator that has the ability to operate in Slow, Fast, or Mixed decay modes.
结果表明,各支路电流电压的量子涨落均与电路器件的参数有关,且随时间衰减。
The result shows that the quantum fluctuations of the voltage and current of each branch are related with parameter of the circuit element, and decay with time.
等效时间常数可以从感应电流自然衰减特性得到,电阻和电感则通过计算被动反馈线圈中涡流损耗和磁场能量中求得。
The equivalent time constants are derived from the decay characteristics of the induced current. The resistance and inductance can be given by calculating the eddy current loss an…
在低场范围中,电流随时间的变化,可以是模拟的幂指数的衰减,并与所施加的电场的增加的衰减系数拟下降。
In low field range, the change of current with time can be simulated by attenuation of power index, and the attenuation coefficient intends to decline with the increase of the applied electric field.
在低场范围中,电流随时间的变化,可以是模拟的幂指数的衰减,并与所施加的电场的增加的衰减系数拟下降。
In low field range, the change of current with time can be simulated by attenuation of power index, and the attenuation coefficient intends to decline with the increase of the applied electric field.
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