本文对断面索法和经纬仪测角交会法的定位误差进行了较详细的推导和分析，并指明了减小定位误差的途径。
The positioning error for cableway and theodolite methods is derived and analyzed in detail and the methods for reducing positioning error are pointed out.
随着被测目标运动速度和加速度的不断提高，导致光电经纬仪电视跟踪的动态误差急剧增大。
With the increase of the velocity and acceleration of the moving target, it produces a large accretion of dynamic error of O-E theodolite.
通过大量的实验验证，最后，提出了限幅滤波和低通滤波相结合的方法，有效地解决了钻井测斜仪的误差。
We have validated that it is practical and effective to combine the limit filter and digital lowpass filtering by a large number of experiments. The errors were solved on clinometer of drilling.
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