Microwave antenna

Details Microwave antenna Microwave antenna

H - Electricity

01

Q

351/58

H01Q 21/06 (2006.01) H01Q 9/04 (2006.01) H01Q 13/20 (2006.01)

Patent

CA 1099014

ABSTRACT: A microwave antenna comprises a ground conduc- tor and a dielectric sheet supporting both an array of antenna elements and feeder lines to which the elements are connected in shunt and which are at angles to the direction of polari- zation of the antenna. The elements may be fed from a common central feed point. A suitable pattern of feeder lines com- prises a plurality of parallel regularly-spaced lines enclos- ing a given n angle to the direction of polarization and inter- sected by a single feeder line enclosing the mirror-inverted angle to the direction of polarization. The feeder lines are suitably of much higher impedance than the elements. Power tapering across the antenna apertures giving good polar diagrams is readily obtainable.

296067

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