Method and apparatus for detecting a terrain-masked helicopter

Details Method and apparatus for detecting a terrain-masked helicopter Method and apparatus for detecting a terrain-masked helicopter

G - Physics

01

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G01S 17/88 (2006.01) F41H 13/00 (2006.01) G01P 5/26 (2006.01) G01S 7/48 (2006.01) G01S 17/50 (2006.01) G01S 17/58 (2006.01) G01S 17/95 (2006.01) G01S 7/481 (2006.01)

Patent

CA 2469469

A robot sentry (40) with a scanning laser (45) observes the sky just above the geographic skyline (20) looking for a vertical airflow pattern characteristic of the rotor inflow to a helicopter rotor. The presence of this vertical airflow pattern indicates the probable presence of a reconnaissance helicopter (10) that is using terrain masking.

Selon l'invention, un robot sentinelle (40) présentant un laser à balayage (45) observe le ciel juste au-dessus de la ligne d'horizon géographique (20) à la recherche d'une configuration de l'écoulement d'air vertical caractéristique du flux à travers un rotor vers un rotor d'hélicoptère. La présence de ladite configuration de l'écoulement d'air vertical indique la présence probable d'un hélicoptère de reconnaissance (10) qui utilise le masquage par le terrain.

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