Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing
Patent
1981-12-17
1984-02-21
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Distance or direction finding
With beam steering, scanning, or focussing
367123, 367126, G01S 380, G01S 300
Patent
active
044333978
ABSTRACT:
A circuit arrangement for forming a succession of group signals in the ranging art from received signals originating from an array of adjacent signal receiving transducers, each successive group signal being associated with a respective group characteristic and being based on the signals received by a respective group of adjacent transducers forming part of the array. The succession of group signals is processed to form a representation of the mean, or average, value of a predetermined number of successive group signals, and a representation of the ratio of the value of one of the group signals of that predetermined number of signals to the mean value is produced.
REFERENCES:
patent: 3810082 (1974-05-01), Arens
Arens Egidius
Patel Ravin
Farley Richard A.
Fried. Krupp Gesellschaft mit beschrankter Haftung
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