Radar microwave lobing systems

Details Radar microwave lobing systems Radar microwave lobing systems

1963-02-01

1976-06-08

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

333 10, 333 11, 333 98S, G01S 922, H01P 516, H01P 518

Patent

active

039627055

ABSTRACT:
4. A radar system responsive to unmodulated elevation error signals, azimuth error signals and sum signals comprising a modulator responsive to the elevation and azimuth error signals coupled in space quadrature for rotating said error signals at a predetermined velocity and including a plane of acceptance for polarizing the rotating error signals as modulated error signals, first and second hybrid means each having first and second input and output sections, the first input of said first hybrid means coupled to said modulating means for receiving the modulated error signals, the first and second outputs of said first hybrid means respectively coupled to said first and second inputs of said second hybrid means, said first and second hybrid means each having a pair of movable ports for selectively preventing division of energy therein, a dissipative load coupled to the first output of said second hybrid means, circulating means having first, second, third and fourth ports with the second port responsive to said sum signals, the third port coupled to the second input of said first hybrid means and the fourth port coupled to the second output of said second hybrid means, and signal processing means coupled to the first port of said circulating means.

REFERENCES:
patent: 694044 (1950-11-01), Abstract
patent: 2679631 (1954-05-01), Korman et al.
patent: 2855677 (1959-05-01), Zaleski
patent: 2941165 (1960-06-01), Broussaud
patent: 2948863 (1960-08-01), Honda
patent: 2991471 (1961-07-01), Pritchard
patent: 3058071 (1962-10-01), Walsh et al.

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