当传感器存在刻度系数误差、安装误差和测量偏差时，将会明显降低系统的FDI性能。
However, the sensor errors such as input axis misalignment, scale factor errors and biases, have significant effect on the FDI performance.
利用里程仪可以抑制惯导的误差积累，但里程仪刻度系数误差对组合系统的定位精度影响很大，必须对其进行校正。
The error accumulation of inertial navigation system can be restrained via OD, however, OD scale factor error has remarkable effect on the positioning precision.
采用此多点刻度法计算的刻度系数，可以提高测量精度，降低误差，改善测井资料质量。
The calibration coefficients calculated by this multi-point calibration method can increase the measurement accuracy, decrease the errors and improve the logging data quality.
采用此多点刻度法计算的刻度系数，可以提高测量精度，降低误差，改善测井资料质量。
The calibration coefficients calculated by this multi-point calibration method can increase the measurement accuracy, decrease the errors and improve the logging data quality.
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