Continuous line scanning technique and means for beam port anten

Details Continuous line scanning technique and means for beam port anten Continuous line scanning technique and means for beam port anten

1976-12-20

1978-04-25

Smith, Alfred E.

Communications: radio wave antennas

Antennas

With spaced or external radio wave refractor

343854, H01Q 1906

Patent

active

040865975

ABSTRACT:
In a microwave lens of the Rotman type for a scanning beam antenna a plurality of radiating feed probes are spaced along the focal arc. An illumination function is then commutated around the focal arc by energizing groups of the feed probes simultaneously in accordance with weighting functions to thereby cause the resulting radiated beam to scan in small equally spaced increments while the array factor remains essentially constant. Methods of calculating the weighting functions and feed probe spacing are shown.

REFERENCES:
patent: 3761936 (1973-09-01), Archer et al.
patent: 3827055 (1974-07-01), Bogner et al.
patent: 3852761 (1974-12-01), Bogner
patent: 3940770 (1976-02-01), Fassett et al.
patent: 3964069 (1976-06-01), McDonough
patent: 3979754 (1976-09-01), Archer

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