FIELD: radio engineering.
SUBSTANCE: hydroacoustic navigation system comprises a navigation base from M hydroacostic transponders with various frequencies of response and hydroacoustic transceiver arranged on object of navigation, which is used to measure time intervals of signals distribution with their further transformation into distances between underwater object and hydroacoustic transponders. Receiving hydroacoustic antenna consists of four hydrophones, each section of antenna consists of two single-channel and single multi-channel modules installed on linear bearing bracket, which is made as perforated, antennas of receivers are arranged in the form of spherical surface and are arranged on steel plate, at least one of M hydroacoustic transponders is installed on water surface.
EFFECT: improved reliability in provision of underwater objects navigation.
6 dwg
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|---|---|---|---|
| METHOD OF UNDERWATER NAVIGATION | 2008 |
|
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| UNDERWATER SONDE | 2008 |
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| METHOD OF DETERMINING SEA ICE DRAFT AND SYSTEM TO THIS END | 2010 |
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| METHOD FOR DETERMINING SEA ICE DRIFT | 2010 |
|
RU2416070C1 |
