Three horn E-plane monopulse feed

Details Three horn E-plane monopulse feed Three horn E-plane monopulse feed

1982-09-22

1984-10-09

Lieberman, Eli

Communications: radio wave antennas

Antennas

Wave guide type

343786, H01Q 2502, H01Q 2504

Patent

active

044764707

ABSTRACT:
A three-horn microwave feed produces a near ideal aperture width ratio of 2:1 for the difference and sum modes of aperture illumination. Three horns are utilized, each of which supports propagation of at least two modes. Sum and difference components are present in all three horns in response to signals applied to both sum and difference ports of the feed and sum illumination components are present in all three horns in response to signals applied to only the sum port of the feed.

REFERENCES:
patent: 3037204 (1962-05-01), Allen et al.
patent: 3883877 (1975-05-01), Chabah et al.
patent: 4090203 (1978-05-01), Duncan
patent: 4096482 (1978-06-01), Walters
"Optimum Feeds for All Three Modes of a Monopulse Antenna I: Theory" pp. 444-454 by Peter W. Hannan, IRE Transactions on Antennas and Propagation, Sep. 1961.
"Optimum Feeds for All Three Modes of a Monopulse Antenna II: Practice" pp. 454-461 by Peter W. Hannan, IRE Transactions on Antennas and Propagation, Sep. 1961.

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