Radar apparatus with sidelobe blanking circuit

G - Physics – 01 – S

Patent

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Details

G01S 7/02 (2006.01) G01S 7/28 (2006.01) G01S 7/36 (2006.01)

Patent

CA 2191763

The invention relates to a radar apparatus provided with a sidelobe blanking circuit, having a directive antenna (1) and a main receiver (2), an auxialiary antenna (3) and an auxiliary receiver (4), moreover having a differential antenna (13) and a differential receiver (14). Comparators (6, 15) compare the output signal of the main receiver (2) with the outputs of the auxiliary receiver (4) and the differential receiver (14). Blanking does not occur when the output signal of the main receiver (2) is larger than both other output signals.

L'invention concerne un radar pourvu d'un circuit de suppression des signaux reçus sur les lobes secondaires, possédant une antenne (1) directive ainsi qu'un récepteur (2) principal, une antenne (3) auxiliaire ainsi qu'un récepteur (4) auxiliaire, et en outre une antenne (13) différentielle ainsi qu'un récepteur (14) différentiel. Des comparateurs (6, 15) comparent le signal de sortie du récepteur( 2) principal avec le signal de sortie du récepteur (4) auxiliaire et celui du récepteur (14) différentiel. Il n'y a pas de suppression des signaux lorsque le signal de sortie du récepteur (2) principal est plus grand que les deux autres signaux de sortie.

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