Abstract：Large scale coordinate measuring network mainly composed of a plurality of measurement stations. In order to build the network in the field of measurement, and re-calibrate the measurement stations coordinates in measuring, the simulate-station calibration model is proposed following the analysis of the networks working principle and the measurement stations structure. The model takes the spherical target as the simulate-station which is arranged in a specific position. It can solve the calibration problem of the measurement network under coplanar layout. In order to obtain the distance informations required by the calibration model, two kinds of aiming methods, active scanning and center searching scanning, were proposed. The simulated calibration experiment results show that when the ranging accuracy is 0.5 mm, the mean coordinates calibration error of the measurement station was 2.1 mm. The aiming experiment results show that the standard deviations of ranging values obtained by two kinds of aiming methods were 0.16 mm and 0.34 mm. And they were roughly equal to the ranging accuray.
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2018, Vol. 39 
