Techniques for the cancellation of beam squint in planar printed

Details Techniques for the cancellation of beam squint in planar printed Techniques for the cancellation of beam squint in planar printed

1998-05-22

2000-05-23

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

343781P, 343836, H01Q 138

Patent

active

060670509

ABSTRACT:
Due to the frequency dependence of phasing mechanisms applied in planar printed reflectors, when using planar printed reflector antennas beam squint occurs as the frequency is scanned within the operating band. In order to reduce or eliminate beam squint, an incident signal incident upon a reflector is altered in such a way that the outgoing signal retains a same direction. In an embodiment, this is achieved by providing feed elements in different locations, each feed element for feeding a signal of a different frequency. In another embodiment, two reflector arrays are used wherein beam squint caused by the first reflector array is compensated for by the second reflector array.

REFERENCES:
patent: 4180817 (1979-12-01), Sanford
patent: 4684952 (1987-08-01), Munson et al.

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