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为了准确有效地完成经纬仪航向标定,本文根据标校经纬仪坞内航向标校原理,分析了各单项误差对航向标定的影响,建立了照准差和定向误差同时影响下的航向标定修正模型,给出了具体的修正方法。实验及检测结果表明,用正倒镜法测得的定向误差数值等于定向误差与照准差的差值。文章验证了修正方法的正确性和有效性,规范了坞内航向标定方法,为测量船完成测量任务奠定了基础。
In order to accomplish the theodolite heading calibration accurately and effectively, this paper analyzes the effect of individual errors on the heading calibration according to the principle of the calibration aodolite docking dock in dock, and establishes the heading calibration correction model under the influence of the collimation error and orientation error A specific method of correction. The experiment and test results show that the value of the directional error measured by the inverted mirror method is equal to the difference between the directional error and the sighting error. The article verifies the correctness and validity of the correction method, standardizes the calibration method of the heading in the dock, and lays the foundation for the surveying ship to complete the surveying task.