METHOD AND APPARATUS FOR INTERPRETATION OF SONAR SIGNALS
Assignee
Filed
Sep 28, 1965
Granted
Jun 11, 1996
Location
GROTON CT US
Abstract
In the particular embodiment of the invention described herein, sonar signals in the range from 200-3600 cps. are analyzed by bandshifting selected segments of 100 cps. width to the range 300-400 cps. for analysis, and indications of signals in all of the bands are presented side-by-side on a continuous printer. in addition, the modulation envelope of the detected signal, which contains low frequency modulation components, is demodulated to provide indications of such low frequency components in a target signal.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Aug 3, 1982
Rescinded
Oct 11, 1995
Duration
13 years, 2 months
Inventor
- 1ROBERT M. CHAPMAN
Record Details
- Patent number
- US 5526323
- Application
- 04491513
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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