Phased array antenna with couplers in spatial filter...

Details Phased array antenna with couplers in spatial filter... Phased array antenna with couplers in spatial filter...

H - Electricity

01

Q

351/19

H01Q 3/34 (2006.01)

Patent

CA 1296098

PHASED ARRAY ANTENNA WITH COUPLERS IN SPATIAL FILTER ARRANGEMENT ABSTRACT OF THE INVENTION A lossless spatial filter having N input ports and N output ports and printed on a single substrate. The filter is used in combination with an antenna system which radiates wave energy signals into a selected angular region of space and into a desired radiation pattern. The aperture of the system includes a plurality of N antenna elements. The antenna elements are arranged along a predetermined path and each element is connected to only one output port of the spatial filter. A beam steering unit controls the direction of radiation. A signal generator supplies a power divider having N output signal ports each connected to a phase shifter controlled by the beam steering unit. -1-

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