FIELD: radio engineering, communication.
SUBSTANCE: apparatus includes a transmitting optical unit, a fibre-optic splitter with N outputs, N binary fibre-optic structures, (N-1) fibre-optic delay lines, a fibre-optic connector with N inputs, an optical amplifier, a receiving optical unit, a band-pass filter, an amplitude limiter, an electronic amplifier and a low-pass filter.
EFFECT: high rate of frequency modulation, which is equivalent to reducing the duration of a chirp signal while maintaining high values of the radio signal base.
15 dwg
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Authors
Dates
2013-12-10—Published
2012-02-08—Filed