它可以根据正交输出型编码器信号的相位关系，输出具有正负极性的模拟电压信号。
The circuit can output analog voltage signals with positive and negative polarity according to the phase relation of encoder signals of orthogonal output type.
电力计量直接的对象是电子互感器，IEC标准统一规定了电子互感器的两种输出方式：数字瞬时值序列和模拟电压信号。
The direct object of power metering is electronic transformer. From IEC standards, electronic transformer has two kinds of output: digital signals and analog signals.
由于单片机所处理的信号是数字信号，对模拟电压信号进行检测处理时首先要用A／D 转换器件对其进行A／D转换，然后再进行处理。
Since the signal which is disposed by the SCM usually is the Digital Signals, before the Analog signals are checked by the processor, they must be conversed by the A/D converter.
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