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研究了国内隧道贯通误差理论,分析了洞外GPS控制测量和洞内导线测量对横向贯通误差影响值的估算方法,实现了用MATLAB编程估算洞内导线测量对横向贯通误差的影响值。
The tunnel penetration error theory of domestic tunnel was studied. The method of estimating the influence value of lateral penetration error by the measurement of external GPS control and the measurement of lead in the tunnel was analyzed, and the influence of the lead measurement in the tunnel on the transverse penetration error was estimated by MATLAB programming.