Experimental investigation of accuracy time-frequency synchronization by using digital television signals

Authors

DOI:

https://doi.org/10.15587/1729-4061.2014.20040

Keywords:

synchronization, standard, algorithm, digital television, error, digital processing, interpolation, zero base

Abstract

The results of studying the model of passive time-frequency synchronization system are given in the paper. The algorithm of general coverage is taken as a basis. Brief description and mathematical analysis of the algorithm of general coverage were conducted. The laboratory bench, used in this work was described. Digital terrestrial television signal is used as a general signal source. Correlation and spectral signal properties of the digital terrestrial television were shown. Sources of errors, arising in the receive and signal processing paths and their influence were estimated. An algorithm for digital processing of measurement results of scale shifts was developed. It includes spectral analysis, correlation processing, as well as mathematical methods, allowing to improve the scale difference calculation accuracy. The results of experimental investigations and their statistical analysis are shown. The graphs and bar charts, showing statistical processing results, which reflect positive trends for using the digital terrestrial television signal as a common source for comparison of time and frequency scales according to the algorithm of general coverage.

Author Biographies

Александр Алексеевич Костыря, Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166

Professor

Department of Basic Radio Electronics

Сергей Александрович Плехно, Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166

Postgraduate

Department of Basic Radio Electronics

Виталий Николаевич Науменко, Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166

Postgraduate

Department of Basic Radio Electronics

Сергей Иванович Ушаков, Kharkiv National University of Radio Electronics Lenina 14, Kharkov, Ukraine, 61166

Postgraduate

Department of Basic Radio Electronics

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Published

2014-02-05

How to Cite

Костыря, А. А., Плехно, С. А., Науменко, В. Н., & Ушаков, С. И. (2014). Experimental investigation of accuracy time-frequency synchronization by using digital television signals. Eastern-European Journal of Enterprise Technologies, 1(9(67), 24–28. https://doi.org/10.15587/1729-4061.2014.20040

Issue

Vol. 1 No. 9(67) (2014): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2014 Александр Алексеевич Костыря, Сергей Александрович Плехно, Виталий Николаевич Науменко, Сергей Иванович Ушаков

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