The kinematical equation of the probe and the equation of measuring error caused by the swaying of the measuring arm are established.

建立了测头的测量运动方程和关节晃动引起的测量误差的方程。

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The swaying movement and the lever arm effect error are two major factors affecting the alignment accuracy of shipbased weapons.

摇摆运动及杆臂效应误差是影响舰载武器系统对准精度的主要因素。

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This paper introduces the arm-changing measurement for the double-arm bridge. The method can reduce the systematic error and increase the precision of the measurement.

本文介绍了双臂电桥的换臂测量方法，从而减小了系统误差，提高了测量准确度。

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