The motor is controlled by a PWM circuit that precisely sends DC voltage on a train of pulses for fine tuning the antenna to the resonance point.
电机控制,精确发送的脉冲微调天线的共振点的火车上的直流电压由PWM电路。
Its software is designed to calculate the running parameters of the AC drive system, including transformer, quadrant rectifier, DC circuit, inverter, AC motor and train load.
系统采用软件方式实时计算交流传动系统的运行参数,包括变压器、四象限整流器、直流中间回路、逆变器、电机及负载。
I took a train from Florida to NYC we arrived 12 HRS late. The roadbed is archaic up to Washington DC.
我坐火车从佛罗里达至纽约要12个小时,那路基老过去华盛顿的。
The output amplitude and the length of pulses train are greatly improved with additional semiconductor optical amplifier and filter in the optical fiber loop as the DC component of input keeps low.
光纤环形腔中光放大器、滤波器的加入,以及光脉冲直流基座的降低,可以明显改善输出的幅值和复制序列长度。
The output amplitude and the length of pulses train are greatly improved with additional semiconductor optical amplifier and filter in the optical fiber loop as the DC component of input keeps low.
光纤环形腔中光放大器、滤波器的加入,以及光脉冲直流基座的降低,可以明显改善输出的幅值和复制序列长度。
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