Radar rangefinder

G - Physics – 01 – S

Patent

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Details

G01S 7/40 (2006.01)

Patent

CA 2325418

The inventive radar rangefinder has a transmitting/receiving antenna (22) for surveying a danger area. Said antenna is located in a radome housing (12), on a rotatable platform (18). A reflector is placed at a known distance in order to calibrate the device. This reflector is formed by an auxiliary antenna (24) with a connected delay line (26) inside the randome housing (12). The length of the virtual distance of the reflector produced then corresponds to the velocity factor of the delay line used.

L'invention concerne un télémètre radar présentant une antenne d'émission/réception (22) montée dans un boîtier à radome (12) sur une plate-forme (18) rotative, pour surveiller une zone à risque. Pour l'étalonnage, il est prévu un réflecteur à une distance connue. Ce réflecteur est formé par une antenne auxiliaire (24) à ligne de propagation (26) raccordée, dans le boîtier à radome (12). En fonction du rapport de démultiplication de la ligne de propagation utilisée, on obtient un écart virtuel d'importance correspondante du réflecteur.

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