轨道测量 meaning in Chinese

trajectory measurement

A new railway train location algorithm for track surveying based on the charac
提出了基于轨道曲率特征的列车轨道测量点定位算法。
The work is based on some important practical engineering researches in which the author involved , including : 1 ) a railway track surveying experiment system on laser gyros . ,
论文以作者参加的一些重大科研项目为背景，包括： 1 )激光陀螺列车轨道测量实验系统。
The theoretic analysis based on body dynamic constraint lays a foundation for further engineering researches which are shown as follows : 1 . different characteristics of the railway track surveying system and the attitude reference system for fire control are analyzed . the body dynamic constraint conditions in frequency domain are derived for these two applications
基于载体动态约束信息的理论分析为以下工程问题的进一步研究奠定了基础： 1 、论文分析了列车轨道测量以及某火控系统姿态参考问题的不同特点，分别推导了相应的载体运动频域约束条件。