本文对绝对编码法测角原理进行研究的基础上，设计了一种具有发明专利的单码道编码规则，并根据规则制定了相应的软件算法。
In this paper, in studying absolute Angle measurement principle basis designed coding rules of a Single-ring code and formulated the appropriate software algorithm.
在研究分析了多种互感器校验仪的基础上，论述了三种互感器校验仪测差电路，并对其原理和特点进行了分析。
Based on the principle analysis of various transformer calibrators, this paper discusses three kinds of difference measuring circuits for the calibrator.
阐述了激光在线测长系统的原理，详细介绍激光在线测长系统的方案，并针对几个具体问题加以说明。
The principle and scheme of laser on line length measuring system are introduced inderail, in which several specific questions are countered to be exPlained.
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