High-precision ztd model of altitude-related correction

HIGHLIGHTS

• who: Altitude-Related Correction and collaborators from the [1]The projection of tropospheric delay into the zenith direction is called zenith tropospheric delay (ZTD), which is one of the main error sources in space geodesy [2]. Therefore, establishing a high-precision ZTD model is of considerable importance for space geodesy techniques, such as global navigation satellite system (GNSS) and very long baseline interferometry [3]. Empirical ZTD models can be divided into two types: tropospheric delay models based on meteorological parameters and nonmeteorological parameters. The models of Saastamoinen, Hopfield, and Black typically use the observed meteorological parameters [4 . . .
  

   

  

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