光扭矩传感器的输出信号在进行光电转换过程中，由于温度影响，造成了直流电平漂移误差，影响系统的测量精度。
During the photoelectric conversion process of output signal from optical torque sensor, DC level drift error induced by temperature influence will affect the measuring accuracy of the system.
高电压电平漂移电路允许低压逻辑信号来驱动的IGBT在高达1200V一种操作高侧配置。
High voltage level-shift circuitry allows low voltage logic signals to drive IGBTs in a high side configuration operating up to 1200V.
作者认为利用程控放大器消除光栅信号缺陷的方法，可有效消除信号的幅值不稳定和直流电平漂移，并对信号的可调节范围及精度作了定量分析。
A method which can be used to eliminate the defects of the grating signal has been discussed. The controllable range and accuracy of the signal has been calculated.
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