Several methods to estimate height anomaly of GPS network are discussed.
对几种估算GPS测区高程异常的方法进行了讨论和分析。
In addition, there were different characteristics in height anomaly field.
另外，高度距平场也有不同特征。
This paper is concerned with the accuracy of height anomaly in the reduction of length projection for EDM.
本文对电磁波测距边投影归算中的高程异常精度问题进行了讨论。
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