The paper parses the principle of measuring shield machine azimuth and deduces shield machine attitude parameter formulas based on TMB guidance system SLS-T from VMT Gmbh in Germany.
以德国VMT公司的TMB制导系统SLS - T为例，主要解析了盾构机轴线方位角测量原理，并完整地推导了盾构机姿态参数公式。
The principle of feedback extension in t resistance network and the estimation method of measuring parameter are analyzed. The indeterminate of the instrument is discussed.
对T型电阻网络反馈扩展微弱电流测量原理和测量参数估计方法进行了分析，阐述了该仪器的测量不确定度。
The design scheme, basic principle, parameter measuring method and relative calculation formulas are presented in this paper.
兹介绍该测试仪的设计思想、基本原理、参数测量的方法和有关的计算公式。
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