Radar distance measuring device

Details Radar distance measuring device Radar distance measuring device

G - Physics

01

S

G01S 13/08 (2006.01) G01F 23/284 (2006.01) G01S 7/03 (2006.01) G01S 13/88 (2006.01) H03D 9/00 (2006.01) H03D 9/06 (2006.01) G01S 7/02 (2006.01) G01S 13/34 (2006.01)

Patent

CA 2149328

A conventional radar module (1) for level measurements is designed for operation within a specific, narrowly restricted frequency range. To enable level measurements to be implemented at a substantially higher frequency without involving any change in the existing radar module (1) whatsoever, a frequency converter circuit (2) is inserted between the duplexer antenna (7) designed for said higher frequency and the antenna port (A) of the radar module (1). This frequency converter circuit (2) which can be realized at small expense converts the lower frequency into the higher frequency in the direction from the radar module (1) to the antenna (7) and the higher frequency into the lower frequency in the opposite direction.

Un module radar conventionnel (1) pour réaliser des mesures du niveau est conçu pour faire des mesures à l'intérieur d'une gamme spécifique de fréquences restreintes à bande étroite. Pour permettre de réaliser des mesures à des fréquences sensiblement plus élevées sans apporter de changements quelconques au module radar (1) , un circuit convertisseur de fréquence (2) est inséré entre l'antenne duplexeur (7) conçue pour la fréquence plus élevée et l'accès antenne (A) du module radar (1). Ce circuit convertisseur de fréquence (2), qui peut être installé à peu de frais, permet de convertir les fréquences plus basses en fréquences plus élevées qui vont du module radar (1) à l'antenne (7) et les fréquences plus élevées en fréquences plus basses qui vont dans la direction opposée.

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