Hard clipped beam former

Details Hard clipped beam former Hard clipped beam former

1976-06-17

1977-11-29

Farley, Richard A.

Communications: electrical

Selective

Having indication or alarm

340 6S, 343100LE, 343100SA, G01S 380

Patent

active

040607925

ABSTRACT:
A cylindrical array of radiating elements or sonar transducers each of which is coupled by a clipping circuit to a multiply tapped shift register for imparting delays to the signals of the elements for forming a beam of radiant energy. Sidelobes on the radiation pattern are reduced by multiplying the signals of the shift registers by weighting factors prior to their summation for forming a beam, clipped signals serving as unitary factors of positive or negative sign in the multiplication.

REFERENCES:
patent: 3309706 (1967-03-01), Huggins et al.
patent: 3803543 (1974-04-01), Cioccio et al.
patent: 3810082 (1974-05-01), Arens
patent: 3905009 (1975-09-01), Hughes et al.

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