Detection of B-FSK signals using schmidt trigger |
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| Authors: | A A Hakhoumyan V Zh Tovmasyan H S Haroyan |
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| Institution: | (1) Institute of Radiophysics and Electronics, NAS of Armenia, Ashtarak, Armenia;(2) Yerevan State University, Yerevan, Armenia |
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| Abstract: | Possibility to record B-FSK signals with use of stochastic resonance is studied. A Schmidt trigger is employed as bistable stochastic resonator. A digital model of the detector is proposed and quantitative results are obtained by means of simulations. Dependence of the probability of correctly detected bits on the added noise power and on the low-pass filter cutoff frequency is studied. Also the stability of the detector with respect to channel-introduced phase shifts is revealed. |
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| Keywords: | B-FSK signals stochastic resonance Schmidt trigger |
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