设计并实现了激励脉冲发射电路、滤波、信号放大、电压比较、检波等信号处理电路。
The interrogation pulse, filter, signal amplifier, voltage comparator and the signal processing circuits are designed and realized.
该晶闸管触发器采用集成运数放大器，移相触发脉冲的形成是根据三相交流电的各相与移相控制电压直接比较原理实现的。
The shift trigger pulse of the thyristor trigger circuit with integration amplifier is generated by comparing directly principle of three-phase AC and shift-phase control voltage.
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.
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