1) measuring of network cables
网线测距
2) ranging traverse
测距导线
1.
The accuracy of measurement for total station traverse and trigonometric leveling was analyzed,in conjunction with the application it to mine production,the superiority of ranging traverse was discussed in improving measurement accuracy and reducing labor intensity.
通过对全站仪导线测量与三角高程测量的精度分析,结合其在矿山生产中的应用,论述了测距导线在提高测量精度与减小劳动强度等方面的优越性。
3) wireless ranging
无线测距
1.
For the purpose of improving the stability of ranging signal and decreasing the ranging error in a consecutive wave phasic wireless ranging system .
为了提高测距信号频率的稳定性,减小频率不稳引起的测距误差,将DDS(Direct Digital Synthesis,直接数字频率合成)技术应用到连续波相位式无线测距系统的信号源设计中。
4) range antenna
测距天线
5) interval between survey lines
测线间距
1.
Based on the characteristics of marine magnetism survey and the study of the direction of the survey line layout, The selecting method of interval between survey lines,the principal and several applied methods of it are presented, The feasible of the principal and methods are testified
基于海洋磁力测量特点,在对布设测线方向研究的基础上,对海洋磁力测量中布设测线间距的选取进行了研究,提出了选取布设测线间距的原则,给出了几种选取测线间距的方法,并对其可行性进行了验证。
6) on-line cable fault locating
在线测距
补充资料：补偿导线
分子式：
CAS号：
性质：用来将热电偶的参比端(冷接点)延伸到温度恒定的场所，以便与显示仪表连接的两根材料不同的贱金属导线，其热电特性在0～100℃；范围内与所配用的热电偶热电特性相近。常用的补偿导线有镍铬-考铜、铜-康铜和铜-铜镍。
CAS号：
性质：用来将热电偶的参比端(冷接点)延伸到温度恒定的场所，以便与显示仪表连接的两根材料不同的贱金属导线，其热电特性在0～100℃；范围内与所配用的热电偶热电特性相近。常用的补偿导线有镍铬-考铜、铜-康铜和铜-铜镍。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条