Formation of sonar channels by charge-coupled devices

Details Formation of sonar channels by charge-coupled devices Formation of sonar channels by charge-coupled devices

1979-07-20

1981-11-17

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With beam steering, scanning, or focussing

367905, G01S 380

Patent

active

043015220

ABSTRACT:
Formation of channels for all-round passive sonar systems by the technique of charge-coupled devices. The shift register receives the multiplexed signals of the M transducers forming the listening base of the sonar system. The shift register has different series of sub-contacts, each series corresponding, at one moment, to the signal of one of the transducers. The adding of the weighted signals of one series gives an interpolated signal of the corresponding transducer. The such obtained delayed signals are weighted and added, such obtaining the preformed channels.

REFERENCES:
patent: 4012628 (1977-03-01), Gersho
patent: 4035628 (1977-07-01), Lampe et al.
patent: 4170766 (1979-10-01), Pridham et al.

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