Distance measuring and equipment, and distance measuring method

Details Distance measuring and equipment, and distance measuring method Distance measuring and equipment, and distance measuring method

G - Physics

01

S

G01S 13/32 (2006.01) G01B 11/00 (2006.01) G01B 15/00 (2006.01) G01C 3/06 (2006.01) G01S 17/32 (2006.01)

Patent

CA 2440969

A distance measuring device (10) for measuring a distance to an object (M) of measurement, comprising a source (11) for outputting variable-frequency signals, a transmission means (12) for emitting an electromagnetic wave having the same frequency as that of an output signal from the source (11), a detection means (13) provided between the transmission means (12) and the object (M), for detecting the amplitude of a standing wave (S) formed between the transmission means (12) and the object (M) and outputting a detection signal, and a signal processor (14) for producing a detection signal function indicative of a detection signal value relative to the output signal frequency to calculate, from its frequency, the distance between the detection means (13) and the object (M) of measurement.

L'invention concerne un (10) servant à mesure une distance relativement à un objet (M) appareil de mesure de distance à mesurer. L'appareil comprend une source (11) qui émet des signaux de fréquence variable; un moyen de transmission (12) qui transmet une onde électromagnétique ayant la même fréquence que le signal de sortie provenant de la source (11), un détecteur (13) situé entre le moyen de transmission (12) et l'objet (M) pour détecter l'amplitude d'une onde stationnaire (S) formée entre le moyen de transmission (12) et l'objet (M) et émettre un signal de détection; et un processeur du signal (14) qui produit une fonction du signal de détection indiquant une valeur du signal de détection relative à la fréquence du signal de sortie afin de calculer, à partir de sa fréquence, la distance entre le détecteur (13) et l'objet (M) à mesurer.

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