磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。
The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.
该系统以弧长作为操作量，改变每个周期的脉冲峰值电流的宽度，以达到对焊接弧长控制的目的。
The arc length was taken as the manipulated quantity in the system and the peak current width of welding pulse was varied.
考察了脉冲峰值电流密度对纳米晶镍镀层织构和硬度的影响。
The effects of pulse peak current density on the texture and hardness of electrodeposited Ni were investigated.
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