LAMAD Positioning technologies

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Presentation transcript:

LAMAD Positioning technologies Radu Mariescu-Istodor 18.10.2018

Triangulation x

Triangulation x 100 m

Triangulation x 60O 100 m tan (60) = x / 100 m tan (60) = sqrt (3) = (approx) 1.73 => x = 173 60O 100 m

Parallax July: January: Distant background Nearby star July: January: SUN July: January: Distant background Nearby star Parallax is the difference in apparent position of an object according to two different lines of sight. July: January:

Height measurement Project where you draw with your phone in the air?

Demo 1

Mobile phone signal R r r R

Trilateration 4 ( 1, 1 ) 3 ( 5, 4 ) Bidirectional. Not only you know how far the cell tower is, but cell tower also knows where you are ;) That’s how police can track down criminals in some situations.

Trilateration Cell ID databases

Global positioning system (GPS) Demo 2 Link to satellites is on Gif Link to orbits is in title https://www.wikipedia.org