geoid การใช้

• Likewise, spirit levels will always be parallel to the geoid.
• Spherical harmonics are often used to approximate the shape of the geoid.
• Geoid measures help thus to understand the internal structure of the planet.
• Instead, the geoid of the earth is described by many ellipsoids.
• Dynamic heights are usually chosen so that zero corresponds to the geoid.
• EGM96 differs from the original WGS 84 geoid, referred to as EGM84.
• VDs are used in astro-geodetic levelling, a geoid determination technique.
• The geoid is essentially the figure of the Earth abstracted from its topographical features.
• As geoid knowledge accumulates, one may expect use of GPS heighting to spread.
• The geoid is a particular equipotential surface, and is somewhat involved to compute.
• These deflection values were integrated into astrogeodetic geoid charts referred to these national datums.
• The geoid is essentially the figure of the Earth abstracted from its topographic features.
• His goal was to establish the exact shape of the geoid and the Earth.
• The difference between the ocean surface and the actual geoid gives ocean surface topography.
• The Bessel ellipsoid fits especially well to the geoid curvature of Europe and Eurasia.
• The uncertainty is due to the geoid.
• The geometrical separation between the geoid and the reference ellipsoid is called the geoidal undulation.
• Geoid uncertainty casts doubt upon the accuracy claimed by both the 1999 and 2005 surveys.
• The geopotential surface called the geoid is one definition of the shape of the Earth.
• The permanent deviation between the geoid and mean sea level is called ocean surface topography.