这是一个我们先前不了解的精密复杂的微分信号系统。
This is a sophisticated differential signaling system that we haven't previously known about.
同时用非线性跟踪-微分器代替差分法来提取微分信号，提高了微分信号的品质。
Meantime, differential signal is distilled by nonlinear tracking-differentiator instead of the method of difference, which improves the quality of differential signal.
微分信号是由微分电路产生的一种“尖峰”脉冲信号，原来的微分电路很难获得理想的微分信号。
The differential signal is the spike pulse signal that is produced by differential circuit. Original differential circuit is very difficult to obtain the ideal differential signal.
采用高频脉宽调制功率驱动电路进行电磁阀的高速强力驱动，并利用电流微分信号有效反馈了控制阀关闭始点。
The ECU accomplishes the fast energizing of the solenoid valve by driving circuit with high frequency PWM, and detects the start of injection by the differential signal of driving current.
采用高频脉宽调制功率驱动电路进行电磁阀的高速强力驱动，并利用电流微分信号有效反馈了控制阀关闭始点。
The ECU accomplishes the fast energizing of the solenoid valve by driving circuit with high frequency PWM, and detects the start of injection by the differential signal of driving current.
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