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Environment

General atmospheric profiles such as ISA, COESA; nonstandard day simulations; lapse rate atmosphere; pressure altitude

Use environment-standards-based reference models to model standard atmospheric, gravity, and magnetic field profiles. Use ephemeris data to calculate position and velocity of celestial bodies.

Functions

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Aerospace-Specific Data

aeroDataPackage Start Add-On Explorer to download, install, or uninstall aerospace-specific data

Atmosphere

`atmoscira`	Use COSPAR International Reference Atmosphere 1986 model
`atmoscoesa`	Use 1976 COESA model
`atmoshwm`	Implement horizontal wind model
`atmosisa`	Use International Standard Atmosphere model
`atmoslapse`	Use Lapse Rate Atmosphere model
`atmosnonstd`	Use climatic data from MIL-STD-210 or MIL-HDBK-310
`atmosnrlmsise00`	Implement mathematical representation of 2001 United States Naval Research Laboratory Mass Spectrometer and Incoherent Scatter Radar Exosphere
`atmospalt`	Calculate pressure altitude based on ambient pressure

Celestial Phenomena

`deltaCIP`	Calculate Celestial Intermediate Pole (CIP) location adjustment
`deltaUT1`	Calculate difference between Coordinated Universal Time (UTC) and Principal Universal Time (UT1)
`earthNutation`	Implement Earth nutation
`moonLibration`	Moon librations
`planetEphemeris`	Position and velocity of astronomical objects
`polarMotion`	Calculate Earth polar motion

Geodesy

`geocradius`	Convert from geocentric latitude to radius of ellipsoid planet
`geoidegm96`	Calculate geoid height as determined from EGM96 Geopotential Model
`geoidheight`	Calculate geoid height

Gravity

`gravitycentrifugal`	Implement centrifugal effect of planetary gravity
`gravitysphericalharmonic`	Implement spherical harmonic representation of planetary gravity
`gravitywgs84`	Implement 1984 World Geodetic System (WGS84) representation of Earth's gravity
`gravityzonal`	Implement zonal harmonic representation of planetary gravity

Magnetic Models

`igrfmagm`	Calculate Earth magnetic field and secular variation using International Geomagnetic Reference Field
`wrldmagm`	Use World Magnetic Model

Topics

Add Ephemeris and Geoid Data for Aerospace Products

Use Add-On to add ephemeris and/or geoid data.

Featured Examples

Comparing Zonal Harmonic Gravity Model to Other Gravity Models

Examine the zonal harmonic, spherical and 1984 World Geodetic System (WGS84) gravity models for latitudes from +/- 90 degrees at the surface of the Earth.

Open Script

Visualizing World Magnetic Model Contours for 2015 Epoch

Visualize contour plots of the calculated values for the Earth's magnetic field using World Magnetic Model 2015 (WMM-2015) overlaid on maps of the Earth. The Mapping Toolbox™ software is required to generate the maps of the Earth.

Open Script

Visualizing Geoid Height for Earth Geopotential Model 1996

Calculate the Earth's Geoid height using the EGM96 Geopotential Model of the Aerospace Toolbox™ software. It also shows how to visualize the results with contour maps overlaid on maps of the Earth. The Mapping Toolbox™ and Simulink® 3D Animation™ are required to generate the visualizations.

Open Script

Marine Navigation Using Planetary Ephemerides

Use the planetary ephemerides and a Earth Centered Inertial to Earth Centered Earth Fixed (ECI to ECEF) transformation to perform celestial navigation of a marine vessel.

Open Script

Estimate Sun Analemma Using Planetary Ephemerides and ECI to AER Transformation

Estimate the analemma of the Sun. The analemma is the curve that represents the variation of the angular offset of the Sun from its mean position on the celestial sphere relative to a specific geolocation on the Earth surface. In this example, the analemma is estimated relative to the Royal Observatory at Greenwich, United Kingdom. After the estimation, the example plots the analemma.

Open Script

Aerospace Toolbox Documentation

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