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本文叙述一种数字测量系统,它测量一个分压器上的电压。该分压器由一个基准电阻与待测阻抗组成。由于基准电阻与待测阻抗两端的电压经过了变换,所以它们的幅度和相位皆可数字式测定。
This article describes a digital measurement system that measures the voltage across a voltage divider. The voltage divider consists of a reference resistor and the impedance to be measured. Since the reference resistance and the impedance across the impedance under test have been transformed, their amplitudes and phases can be measured digitally.