Photonic implementation of jamming avoidance response
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United States of America Patent
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Apr 24, 2018
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app pub date -
Oct 27, 2016
filing date -
Oct 27, 2015
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Abstract
Various examples are provided for jamming avoidance response (JAR), and photonic implementations thereof. In one example, a method includes generating optical pulses that correspond to raising envelope of a beat signal associated with an interference signal and a reference signal; generating optical spikes that correspond to positive zero crossing points of the reference signal; providing a phase output that indicates whether the beat signal is leading or lagging the reference signal, the phase output based at least in part upon the optical spikes; and determining an adjustment to the reference frequency based at least in part upon the optical pulses and the phase output. In another example, a JAR system includes a photonic P-unit to generate the optical pulses; a photonic ELL/T-unit to generate the optical spikes; a photonic TS unit to provide the phase output; and a logic unit to determine the adjustment to the reference frequency.
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