Terrain elevation path manager

G - Physics – 01 – C

Patent

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Details

G01C 7/02 (2006.01) G06T 15/10 (2006.01)

Patent

CA 2181457

A terrain profile for executing terrain following flight is generated using a minimal volume of digital terrain elevation data (DTED) information. By limiting the amount of information considered in generating the terrain profile, the computational time and resource requirements for terrain profile generation are reduced, but without comprising the integrity of the terrain profile generated. The sample region is limited by limiting the width of sample regions according to expected use including most likely terrain following flight command data, potential unexpected flight path deviation, and long range terrain following flight data.

Selon l'invention, un profil de terrain pour exécuter un vol de suivi de terrain est généré à l'aide d'un volume minimal de données numériques relatives à une élévation par rapport au terrain. En limitant le nombre d'informations prises en compte pour générer le profil de terrain, on réduit le temps et les ressources nécessaires pour générer un profil de terrain, sans pour autant compromettre l'intégrité du profil de terrain généré. On limite la zone échantillon en limitant la largeur des zones échantillons en fonction de l'utilisation prévue, y compris des données de commandes de vol de suivi de terrain les plus probables, de la déviation potentielle non prévue par rapport à la trajectoire de vol, et des données de vol de suivi de terrain à longue distance.

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