用指针式晶体管毫伏表测非正弦周期电压有效值

Measuring the effective value of the non sinusoidal periodic voltage by transistor MV -meter

指针式晶体管毫伏表可用于测量直流分量为零的非正弦周期信号电压的有效值 .

The transistor MV meter may be applied to measure the effective value of non sinusoidal periodic voltage.The method of improving circuit is introduced.