Versatile at-sea test array and analysis system

Details Versatile at-sea test array and analysis system Versatile at-sea test array and analysis system

1974-11-21

1976-03-16

Farley, Richard A.

Communications: electrical

Selective

Intelligence comparison for controlling

340 3E, 340 3T, 340 6R, G01S 754, G01S 380

Patent

active

039449661

ABSTRACT:
A versatile at-sea test array for performing test functions such as measug the acoustic performance of large aperture sonar systems. The array system comprises a linear horizontal array including at least two measurement transducer elements, a pair of transponders and a drogue for its deployment. The horizontal linear array is used to accumulate and analyze acoustic data of a ship, both surface and submarine, in the vicinity of the array and the two transponders are used to get the geometric data for the system and the two measurements combined together enables one to determine the amplitude of the signals as well as the slope or rate of amplitude variation of the signal as a function of the azimuth angle, thus helping accurate determination of the angular distribution of the acoustic energy being measured.

REFERENCES:
patent: 3316529 (1967-04-01), O'Donnell et al.
patent: 3588798 (1971-06-01), Papineau
patent: 3885515 (1975-05-01), Caldwell, Jr. et al.

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