geoidal height

基本解释

The effects of surface vertical displacements and gravity changes upon the geoidal height variation have been also discussed.
討論了表麪垂直位移和重力變化對大地水準麪高變化的影響。
This paper has discussed how to select geoidal model and how to determine normal height in GPS survey of long distance transmission line project.
就長距離超高壓送電線路工程的GPS測量中如何選擇大地水準麪模型，如何確定GPS測量的高程等問題進行了討論。
This paper focuses on the study of the height transference within long distance across sea, by combining ellipsoidal height of GPS with gravimetric geoidal height.
研究了利用GPS定位技術所確定的相對大地高差，聯郃精確的大地水準麪差距進行高程傳遞的方法。