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The impact of the antenna mounting on the phase centre variation

机译:天线安装对相位中心变化的影响

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摘要

NETPOS is a RTK network for governmental authorities of theNetherlands. The reference stations are equipped with TopconPG-Al antennas on a steel pipe mast. The influence of the maston antenna phase centre variation appeared to be almost a centi-metre. This is called the near field effect. The impact on roverpositioning can be more that three times as large, resulting in animpact of more than 3 cm on the measured height. Calibrationof the antenna including (the upper part of) the mast can eliminatethis effect. This might be relevant for all GNSS users with apermanent reference station.
机译:NETPOS是面向荷兰政府机构的RTK网络。参考站在钢管桅杆上装有TopconPG-Al天线。桅杆天线相位中心变化的影响似乎接近一厘米。这称为近场效应。对换位的影响可能是其三倍大,导致对测量高度的影响超过3厘米。包括桅杆(上部)在内的天线的校准可以消除这种影响。这可能与具有永久参考站的所有GNSS用户有关。

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