Characterization of Sub-Nyquist signals with analog modulation, based on the distribution of singular values

Authors

  • Herman Hamilton Guerrero Chapal Universidad Mariana
  • Evelio Astaiza Hoyos Universidad del Quindío

Keywords:

Autocorrelation, AWGN, spectrum, sampling frequency, cognitive radio, Sub-Nyquist, singular values

Abstract

he work evidences the probability distributions that present the singular values, obtained from the autocorrelation matrix of the continuous signal samples, acquired with Sub-Nyquist random demodulator sampling. The results come from an experimental process at simulation level developed in Matlab®. The simulation process starts from the experimentation with pure sinusoidal tones, continuing with signals with a.m. modulation, and ending with frequency modulation. These signals are immersed in Gaussian additive white noise, in order to get closer to reality.

 

Author Biographies

Herman Hamilton Guerrero Chapal, Universidad Mariana

Candidato a Magíster en Electrónica y Telecomunicaciones, Universidad del Cauca; Ingeniero Electrónico, Universidad de Nariño. Docente Facultad de Ingeniería, Universidad Mariana. Integrante del Grupo de Investigación GRIM, Universidad Mariana, San Juan de Pasto, Nariño, Colombia.

Evelio Astaiza Hoyos, Universidad del Quindío

Candidato a Doctor en Ciencias de la Electrónica, Universidad del Cauca; Magíster en Ingeniería Área Electrónica y Telecomunicaciones, Universidad del Cauca; Ingeniero en Electrónica y Telecomunicaciones, Universidad del Cauca. Docente Facultad de Ingeniería, Universidad del Quindío. Integrante del Grupo de Investigación GITUQ, Universidad del Quindío, Colombia.

References

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Nyquist, H. (1928). Certain Topics in Telegraph Transmission Theory. Transactions of the American Institute of Electrical Engineers, 47(2), 617-644. https://doi.org/10.1109/T-AIEE.1928.5055024

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How to Cite

Guerrero Chapal, H. H., & Astaiza Hoyos, E. (2017). Characterization of Sub-Nyquist signals with analog modulation, based on the distribution of singular values. Revista UNIMAR, 35(2), 221–236. Retrieved from https://revistas.umariana.edu.co/index.php/unimar/article/view/1536

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Published

2017-03-12

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Artículos resultado de investigación

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