DEVICE FOR TRANSMISSION OF NAVIGATIONAL AND ADDITIONAL INFORMATION
FIELD: radio navigation. SUBSTANCE: device uses standard-frequency generator 1, two phase modulators 2, 14, navigational information transmitter 3, transmitting antenna 4, clock-frequency synthesizer 5, carrier-frequency synthesizer 6, pseudorandom-sequence generators 7,8, frequency divider 9, comma...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | FIELD: radio navigation. SUBSTANCE: device uses standard-frequency generator 1, two phase modulators 2, 14, navigational information transmitter 3, transmitting antenna 4, clock-frequency synthesizer 5, carrier-frequency synthesizer 6, pseudorandom-sequence generators 7,8, frequency divider 9, command-distributing unit 10, mode 2 multipliers 11,12, modulating signal generator 13, frequency multipliers 15, 16 with multiplication factors K1 and K2, additional information transmitter 17, band-elimination filter 18 and diplexer 19. The device features a high authenticity of transmitted information and has no limitations in body and type of transmitted information in specified frequency band of carrier waves. EFFECT: enhanced authenticity. 3 dwgs |
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