这种方法的误差取决于幅频特性曲线的标定精度。

The error depends on the calibration accuracy of the amplitude response.

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另一方面，改进原有的标定方法，简化标定过程，提高标定精度。

On the other hand, the old calibrating method will be improved, simplifying the calibration process, improving the calibration precision.

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由于测量的精度最终要受到标定精度的限制，本文引入了一种新的标定方法。

Since the ultimate measuring accuracy is limited by the accuracy of calibration, a new method of calibration is proposed in this paper.

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