FIELD: acoustic systems.
SUBSTANCE: device has synchronizer, radio-frequency pulse oscillator, frequency divider, switchboard, electroacoustic transducer, two amplitude-limiting amplifiers, amplitude detector, frequency multiplier, phase detector and indicating unit. Oscillator and amplitude modulator units are additionally introduced into design.
EFFECT: high reliability; increased resolution; reduced dead zone area.
5 dwg
Title | Year | Author | Number |
---|---|---|---|
ACOUSTIC ACTIVE SONAR | 2002 |
|
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Authors
Dates
2006-11-27—Published
2002-01-08—Filed