I have studied the impedance-matching of RF transmission line between the antenna and the GPS module.

重点分析介绍研究了GPS天线到接收模块GPS信号输入端之间射频传输线的阻抗匹配问题。

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This paper mainly introduced the application of GPS-RTK technology in cross section surveying and pole and tower positioning in transmission line measurement.

在此主要介绍了GPS-RTK技术在输电线路的断面测量以及杆塔定位测量中的应用。

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This paper has discussed how to select geoidal model and how to determine normal height in GPS survey of long distance transmission line project.

就长距离超高压送电线路工程的GPS测量中如何选择大地水准面模型，如何确定GPS测量的高程等问题进行了讨论。

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