电压偏移
By setting a certain threshold, the counting error caused by direct current voltage excursion is avoided.
通过阈值的设置,实现了整周期信号的辨向和计数,消除了直流电平漂移和高频噪声引起的计数误差;
This paper discusses a solution process about a kind of measurement for the voltage of power network and offers an effective method to reduce the temperature excursion of electrocircuit, as a result the device accomplish by this method can fit the national standard.
文章论述了一种电网电压监测方案的确定过程,给出了减少电路温度漂移的有效方法,使得实施后的装置能够满足国家标准。
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