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| R2012a Documentation → Aerospace Blockset | |
Learn more about Aerospace Blockset |
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| Contents | Index |
Flight Parameters
The Radius at Geocentric Latitude block estimates the
radius
of an ellipsoid planet at a
particular geocentric latitude
.
The following equation estimates the ellipsoid radius
using flattening
, geocentric latitude
, and equatorial radius
.
Specifies the parameter and output units:
| Units | Equatorial Radius | Radius at Geocentric Latitude |
|---|---|---|
| Metric (MKS) | Meters | Meters |
| English | Feet | Feet |
This option is only available when Planet model is set to Earth (WGS84).
Specifies the planet model to use:
Custom
Earth (WGS84)
Specifies the flattening of the planet. This option is only available with Planet model set to Custom.
Specifies the radius of the planet at its equator. This option is only available with Planet model set to Custom.
| Input | Dimension Type | Description |
|---|---|---|
First | Contains the geocentric latitude, in degrees. |
| Output | Dimension Type | Description |
|---|---|---|
First | Contains the radius of planet at geocentric latitude, in the same as the units as flattening. |
Stevens, B. L., and F. L. Lewis, Aircraft Control and Simulation, John Wiley & Sons, New York, 1992.
Zipfel, P. H., Modeling and Simulation of Aerospace Vehicle Dynamics, AIAA Education Series, Reston, Virginia, 2000.
Direction Cosine Matrix ECEF to NED
Direction Cosine Matrix ECEF to NED to Latitude and Longitude
Geocentric to Geodetic Latitude
Geodetic to Geocentric Latitude
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