There's a zero point and maxima in the relationship curve of beam-waist radius and measurementerror.
光腰半径与测量误差的关系曲线出现一零值点和一极大值点。
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A study was conducted to determine the error of RTK data in highway survey by the check method of a known pointin accordance with the measurementerror theory and the criterion for highway survey.
This paper deals with the methods of data analysis, data fit and data diagnosis by an example in the measurement engineering practices with the residual error diagnosis method as the key point.