Self-phasing array with a time-shared processor

Details Self-phasing array with a time-shared processor Self-phasing array with a time-shared processor

1973-10-30

1976-06-29

Wilbur, Maynard R.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343100SA, 343100TD, 343854, G01S 344, H01Q 326

Patent

active

039672794

ABSTRACT:
A phase alignment system for a self-phasing antenna array is described. A single time-shared processor sequentially phase aligns each array element with a suitable reference signal. This technique is applicable to a self-phasing array in which the random phase of the signal received at each array element is slowly varying (bandlimited). Individual antenna signals are summed and the phase of the signal from a selected one of those antennas is compared to the phase of the sum (reference) and a variable phase shift is introduced into that selected one antenna output to bring that output into closer conformity with the phase of the sum. This process is repeated sequentially for the entire group of antennas and optionally the sequential comparing and adjusting may be interrupted, maintaining the phase-shifts for the several antennas at their most recent value, and the antenna array employed for a transmitter to thereby provide a transmission radiation pattern substantially the same as the reception sensitivity pattern as it existed just prior to the interruption.

REFERENCES:
patent: 3036210 (1962-05-01), Lehan et al.
patent: 3056961 (1962-10-01), Mitchell
patent: 3370267 (1968-02-01), Barry
patent: 3378846 (1968-04-01), Lowenschuss
patent: 3531803 (1970-09-01), Rosen et al.
patent: 3757333 (1973-09-01), Procopio
henry Richter, "Microlock," QST., Dec. 1957, pp. 20-24.

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