Continuous line scanning technique and means for beam port...

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

H - Electricity

01

Q

351/51

H01Q 15/02 (2006.01) H01Q 3/24 (2006.01) H01Q 3/26 (2006.01) H01Q 3/46 (2006.01)

Patent

CA 1071755

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 re- mains essentially constant. Methods of calculating the weighting func- tions and feed probe spacing are shown. -1-

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