Range and depth detection system

Details Range and depth detection system Range and depth detection system

1971-12-03

1982-01-19

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With time interval measuring means

367 97, G01S 518

Patent

active

043120539

ABSTRACT:
The method and apparatus for computing the range to and depth of a submerged object that either emits or reflects pulses of acoustic energy, wherein a detecting array and related data handling apparatus measure as a function of time the apparent angles of arrival of the acoustic energy associated with each such pulse. This data is then translated into actual multipath arrival angles and multipath travel time differences which are utilized to solve mathematical equations, the solutions of which result in the calculation of the range to and depth of the submerged source of acoustic energy.

REFERENCES:
patent: 3622963 (1971-11-01), Sage

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