Method for influencing an acoustic source, in particular of a su

Details Method for influencing an acoustic source, in particular of a su Method for influencing an acoustic source, in particular of a su

1990-11-15

1993-05-04

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Sonar counter-measures

H04K 300

Patent

active

052087840

ABSTRACT:
A method and a submarine are disclosed influencing an acoustic source emitting an acoustig signal having a first frequency spectrum with at least one intensity maximum. In order to make detection of the frequency spectrum by means of passive acoustic locating systems more difficult, the first frequency spectrum is stochastically modulated by influencing the acoustic source.

REFERENCES:
patent: 3567862 (1971-03-01), Morrissey
patent: 3891961 (1975-06-01), Haisfield
patent: 4214313 (1980-07-01), Geren et al.
patent: 4883240 (1989-11-01), Adamson et al.
Literature militartechnik Mar. 1982, pp. 155-157 "Hydroakustische Niederhaltung", no translation.

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