Wave-energy imaging technique

Details Wave-energy imaging technique Wave-energy imaging technique

1973-10-15

1976-04-27

Farley, Richard A.

Communications: electrical

Selective

73 677, 340 5MP, 343 17, 356106R, 340 155DS, G01S 704, G01S 756

Patent

active

039538222

ABSTRACT:
A circumferential array of n transducers is used to image an object with resolution equal to that of an array over the entire bounded aperture. This is done by illuminating the object with m components of coherent wave energy, and coherently detecting the signal picked up by each of the n transducers for each of the m wave energy components to provide the coefficients of m complex numbers for each of the n transducers. Signal processing these coefficients, in the manner described in the disclosure, permits an image of the object to be displayed on a display device with resolution equal to that of an array filling the aperture.

REFERENCES:
patent: 3617994 (1971-11-01), Glenn, Jr. et al.
patent: 3771116 (1973-11-01), Farrah

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