FIELD: radio engineering.
SUBSTANCE: proposed circuit comprises modulator, carrier generator, frequency digital synthesiser, code sequence generator, synchroniser, and switch with its output making carrier modulation circuit output.
EFFECT: noise-immune encoding of radio signals reducing chances of unauthorised access to radio channel data.
4 dwg, 2 ex
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Authors
Dates
2010-10-10—Published
2009-02-12—Filed