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Autodyne Effect in Weak-Resonant BWO with Chaotic Dynamics

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Abstract

An autodyne phenomenon in the O-type Weak-Resonant Backward Wave Oscillator of K a-band working in chaotic oscillatory regime is under investigation. The main attention is paid to the studying of the action of decorrelated reflected signals on the modulation of the power spectral density of the chaotic oscillations. Physical mechanisms are revealed and phenomenological model is suggested to explain the strong PSD modulation observed under the affect of the small refelected signal. The PSD modulation index has been introduced and its anomalous increase with the enlargement of the distance to the load is revealed experimentally, as well as the physical explanation for that effect is presented. All physical results obtained are valid for the autodyne effect in any chaotic oscillator. The results obtained can be used for the design of different autodyne based devices for the remote sensing, microwave telemetry and control systems.

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Authors and Affiliations

  1. Institute of Radiophysics and Electronics, National Academy of Sciences of Ukraine, 12 Acad. Proscura Street, 310085, Kharkov, Ukraine

    Vladimir V. Kulik, Konstantin A. Lukin & Vladimir A. Rakityansky

Authors
  1. Vladimir V. Kulik
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  2. Konstantin A. Lukin
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  3. Vladimir A. Rakityansky
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Kulik, V.V., Lukin, K.A. & Rakityansky, V.A. Autodyne Effect in Weak-Resonant BWO with Chaotic Dynamics. International Journal of Infrared and Millimeter Waves 19, 427–440 (1998). https://doi.org/10.1023/A:1022555609669

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  • DOI: https://doi.org/10.1023/A:1022555609669

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