System to process antenna beams to obtain the angular location o

Details System to process antenna beams to obtain the angular location o System to process antenna beams to obtain the angular location o

1974-09-13

1976-02-03

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343122, 343123, G01S 330

Patent

active

039368327

ABSTRACT:
The system comprises a set of 16 antennas disposed so that their beams ovap to cover completely some sector of area; a mixing system to provide a plurality of I.F. signals; a first detector for each I.F. signal which applies this signal to a comparison and display system which determines and then displays whichever of the I.F. signals has the strongest amplitude; a second detector for each I.F. signal which applies said I.F. signal to a circuit which combines the plurality of I.F. signals into two sine-waves, these two sine-waves being applied to the vertical and horizontal deflection plates of an oscilloscope. The oscillioscope display expands the azimuth of the target path across to each of the 16 beams from 2.degree. to 90.degree.. Thus the target location within a particular beam can be determined very accurately. A light display indicates which particular beam is being traversed at any particular time.

REFERENCES:
patent: 3089139 (1963-05-01), Hovannesiau et al.
patent: 3345633 (1967-10-01), Rlinge
patent: 3824595 (1974-07-01), Hall

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