经比例放大器放大后的脉冲信号经窗口电压比较放大器消除干扰给计数器。
Pulse signal of proportional amplifier is sent to counter after reduced noise by window voltage comparer.
本工作试制成功了用于测量主传动系统静、动态速降的比较放大器，它具有较高的灵敏度与响应速度。
An amplifier which is used to measure the static and dynamic speed droop has been developed successfully, it gives out higher sensitivity and responsibility.
研究了一种新型直流电流比较仪，它包括两个环节：双向自饱和磁放大器和双铁芯自饱和磁放大器。
A new type of DC current comparator is researched which includes two parts: a bidirectional self saturating magnetic amplifier and a two care self saturating magnetic amplifier.
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