Function navtk::navutils::calculate_gravity_savage_n

Function Documentation

Vector3 navtk::navutils::calculate_gravity_savage_n(const Matrix &C_n_to_e, double h)

Gravity Vector from the ‘Savage’ gravity model as given in Section 5.4 of Strapdown Analytics, 2nd ed., N frame version.

See also

calculate_gravity_schwartz()

See also

calculate_gravity_savage_ned()

See also

lat_lon_wander_to_C_n_to_e()

See also

Coordinate Frames for coordinate frame definitions.

Parameters

  • C_n_to_e – DCM that rotates from the N frame to the E frame \(\textbf{C}_\text{N}^\text{E}\) (provides knowledge of horizontal position)

  • h – Ellipsoidal altitude (meters)

Returns

Gravity at the specified location expressed in the N frame