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针对在煤矿井下导线和陀螺定向测量中,采用点下仪器对中操作过程往往耗时长且易造成明显的对中误差,并严重影响了矿井测量工作的效率和精度的问题,该文提出一种无需仪器精确对中的改进方法。通过安置一套测定对中偏差的触屏读数装置及内置数据处理系统,对观测数据进行自动偏心改正,较好地消减了井下导线测量或陀螺定向的对中误差影响。
Aiming at the problem of directional measurement of wire and gyroscope in coal mine, it is often time-consuming and easy to cause obvious centering error when using the down-center instrument. The problem of efficiency and accuracy of mine measurement work is seriously affected. This paper presents a No need for an accurate method of instrument alignment. By placing a set of touch-screen reading device and built-in data processing system to measure the deviation, automatic eccentric correction of the observed data can well reduce the influence of centering error on downhole measurement or gyro orientation.