无论使用开源、商业还是自定义补偿框架，您都必须提供可以调用的方法、SQL 或存储过程来反转数据库更新操作。
Whether you use an open source, commercial, or custom compensation framework, you still must provide the method, SQL, or stored procedure to invoke to reverse the database update operations.
该方法使用了时频同步跟踪环路，从数据子载波提取相位误差，并利用频域插值补偿多个用户的估计频偏。
The system uses time-frequency tracking loops to extract phase errors from data subcarriers with frequency interpolation to compensate for the estimated carrier frequency offsets.
通过实测数据并用谐波分析的方法对两项误差进行补偿与调整，提高了感应同步器的测角精度。
By applying the harmonic analysis method to adjusting and compensating, the practical test data is acquired, and the inductosyn Angle measuring accuracy is, raised.
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