FIBER-OPTIC DIRECTIONAL HYDROPHONE

FIBER-OPTIC DIRECTIONAL HYDROPHONE

FIELD: the invention refers to hydro acoustics and may be used for direction finding and location of an underwater object in a natural reservoir. ^ SUBSTANCE: the essence of the invention is in that three pairs of material and supporting fiber bobbins located along the coordinate axles are combined...

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Hauptverfasser: TSYGANKOV SERGEJ GRIGOR'EVICH, VLASOV JURIJ NIKOLAEVICH, MASLOV VALERIJ KONSTANTINOVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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creator TSYGANKOV SERGEJ GRIGOR'EVICH
VLASOV JURIJ NIKOLAEVICH
MASLOV VALERIJ KONSTANTINOVICH
description FIELD: the invention refers to hydro acoustics and may be used for direction finding and location of an underwater object in a natural reservoir. ^ SUBSTANCE: the essence of the invention is in that three pairs of material and supporting fiber bobbins located along the coordinate axles are combined in one interferometer. Various carrier frequencies are delivered on the material fiber bobbins. The received noise is demodulated and is subjected to processing with the aim of definition of the coordinates of an underwater object. A special electronic scheme allows also determine the speed and the trajectory of the motion of the underwater object. ^ EFFECT: expands operational capabilities. ^ 2 cl, 3 dwg
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language eng ; rus
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subjects ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
title FIBER-OPTIC DIRECTIONAL HYDROPHONE
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