Method for the operation of a sensor system and sensor system

Details Method for the operation of a sensor system and sensor system Method for the operation of a sensor system and sensor system

G - Physics

01

S

G01S 7/40 (2006.01) G01S 7/35 (2006.01) G01S 13/34 (2006.01)

Patent

CA 2282380

The invention relates to a method using a sensor system with a frequency- modulated signal source and a delay line to generate a time-delayed reference signal, wherein phase errors are compensated by a modulation (pre- equalization) correction derived from the reference signal and wherein measured signals having a long propagation time are additionally compensated by means of supplementary computerized elimination (post-equalization). To this end, an additional high pass filter is provided.

L'invention concerne un procédé utilisant un système détecteur avec une source de signal à modulation de fréquence et une ligne à retard pour produire un signal de référence temporisé. Dans ce procédé, les erreurs de phase sont compensées par une correction de la modulation (pré-égalisation) dérivée du signal de référence, et des signaux mesurés présentant un temps de propagation long sont en outre compensés par une élimination ultérieure numérique (post-égalisation). Un filtre passe-haut supplémentaire est prévu à cet effet.

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