数字水准仪编码水准尺的图像处理是实现数字水准仪自动读数的关键技术。
Image processing for coded level ruler of digital levels is the critical technology to realize the automatic reading of digital levels.
数字水准仪的出现解决了大地测量仪器中水准仪自动读数与记录问题，对当代测量技术产生了积极的影响。
The appearance of digital level solves the problem of level's reading in measuring instrument and makes more active effects in measuring technology at present.
水准仪的自动读数和自动记录产生了两种方式。
利用物理摆原理导出了自动安平水准仪磁致误差的理论函数模型，建立了地磁场中的观测方程。
Based on the theory of horizontal pendulum, the theoretical function model of magnetic error of self adjusting level is deriveted, and observation equation in geomagnetic field is set up.
利用物理摆原理导出了自动安平水准仪磁致误差的理论函数模型，建立了地磁场中的观测方程。
Based on the theory of horizontal pendulum, the theoretical function model of magnetic error of self adjusting level is deriveted, and observation equation in geomagnetic field is set up.
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