Terrain mapping
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United States of America Patent
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N/A
Issued Date -
Dec 3, 2009
app pub date -
Oct 9, 2006
filing date -
Oct 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A terrain mapping apparatus (1) carried by an aircraft is arranged to receive height data from a terrain elevation data array memory (7), to determine the correlation between elements of the terrain elevation data array memory (7) and detected height data stored in elements of a laser obstacle detector co-ordinate frame memory (4). The height data of the laser obstacle detector co-ordinate frame memory being provided by a laser obstacle detector (3) monitoring terrain overflown by the aircraft. Updated height data, determined by a mapping processor 5 for each element of the terrain elevation data array memory (7) is provided from height data associated with a predetermined number, typically four, surrounding elements of the laser obstacle detector co-ordinate frame memory (4) and updated height data is then stored in a digital elevation array memory (8).
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