OpticalNavigation Module

Directory List

Core DataFiles Demos/Core
Demos/LunarLanding Demos/NeuralNetwork Demos/Terrain
Dynamics LROImages LandingOptimization
Measurements NeuralNetwork Optimization
Terrain Utilities doc


Core

Returns the sun angular radius and intensity and star vectors
Implements optical navigation using two targets.
Implements optical navigation using the Sun as a target
Determines which target to select for optical navigation

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DataFiles

ApophisImage1.pngGenerated Apophis file
ApophisImage2.pngGenerated Apophis file
ApophisImage3.pngGenerated Apophis file
LROApollo1164.jpgPhotograph of the moon from LRO 64 by 64
LunarNet.matSaved lunar nagivation neural net
LunarSurfaceImage.pngLRO image

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Demos/Core

Lunar Landing NRN Sim
Demonstrate navigation in low earth orbit.
Simulate ONS for elements of a lunar mission
Simulate ONS for elements of a heliocentric mission
Lunar mission planning
Simulate ONS for a spacecraft that flies by Mercury
Simulate ONS for a solar sail near the L1 Lagrange point
Estimate the orbit position using horizon measurements
Optical navigation demo in the solar system

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Demos/LunarLanding


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Demos/NeuralNetwork

Create terrain snippets to train and test the deep learning algorithm
Simulate a lunar overflight
Script implementing the terrain neural net

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Demos/Terrain

Increase resolution of Apophis
SyntheticTerrain is a script created to create synthetic terrain

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Dynamics

Simulate a 2D planetary orbit
Right hand side for a lunar mission
Right hand side for a planetary mission
Right-hand-side for a 2 dimensional planet takeoff.
Right-hand-side for a 3 dimensional planet takeoff.
Right hand side for a lunar mission
Right hand side for a lunar mission for use in the UKF.
Right hand side for a heliocentric mission

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LROImages


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LandingOptimization


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Measurements

Range and range rate to ground station.
Measure star angle and chord

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NeuralNetwork

TERRAINCAMERA Models a camera taking a photo of terrain

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Optimization

Equality constraints for the landing for a 2D flat planet problem.
Cost for the landing for a 2D flat planet problem.
Compute an optimal landing

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Terrain

Calculate Catmull–Rom for a chain of points with x 1:4
Display images in a gallery
Prints specified figure to an image file at a specified size.
StitchImages

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Utilities

Lunar fixed to ECI transformation
Draw an xy trajectory over an image
Rotate a trajectory to be in the desired plane

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doc


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