Side looking sonar beam forming utilizing the chirp Z-transform

Details Side looking sonar beam forming utilizing the chirp Z-transform Side looking sonar beam forming utilizing the chirp Z-transform

1979-09-14

1981-04-14

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Echo systems

Side scanning or contour mapping sonar systems

367103, 343 5CM, G01S 1589

Patent

active

042623448

ABSTRACT:
Apparatus which generates a plurality of sets of radially extending beams in a chirp Z-transform sonar beam former. Only a particular beam from each set is chosen for display.

REFERENCES:
patent: 4049958 (1977-09-01), Hartmann
patent: 4053867 (1977-10-01), Booth et al.
Rabiner et al., IEEE Trans. on Audio and Electroacoustics, vol. AU-17, No. 2, Jun. 1969, pp. 86-92.
NASA Tech. Briefs, Fall 1977, p. 411.
Alsup, 1974 Ultrasonics Symposium Proceedings, pp. 378-381.
Electronics Letters, vol. 13, No. 3, Feb. 3, 1977, pp. 65, 66.

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