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Measurement Techniques
Published in: Measurement Techniques 12/2020

14-04-2020 | RADIO MEASUREMENTS

Method for Estimating the Latent Correlation of Narrowband Noise Signals

Authors: E. I. Chernov, N. E. Sobolev, A. A. Bondarchuk, L. E. Aristarkhova

Published in: Measurement Techniques | Issue 12/2020

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Abstract

The concept of hidden correlation of noise signals is introduced. Theoretically, the existence of a hidden correlation between narrow-band noise signals extracted simultaneously from a broadband band-limited noise is proved. A method for estimating the latent correlation of narrow-band noise signals has been developed and experimentally investigated. An experiment was conducted where a temporal fragment of band-limited noise was used as the signal under investigation, the basis of which is shot noise. It was found that when applying the Pearson criterion between the signal at the center frequency and the sum of the signals at the mirror frequencies, virtually no correlation is found, and when using the proposed method for analyzing the same signals, a strong hidden correlation is found. The proposed method is useful for specialists involved in digital signal processing, as well as developers of measuring tools using a new technology for extracting a useful signal from noise – the method of mirror noise images.
previous article Measurement of the Coordinates of Radio Emission at High Frequencies by Goniometric and Goniometric-Range Finding Methods
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Metadata
Title
Method for Estimating the Latent Correlation of Narrowband Noise Signals
Authors
E. I. Chernov
N. E. Sobolev
A. A. Bondarchuk
L. E. Aristarkhova
Publication date
14-04-2020
Publisher
Springer US
Published in
Measurement Techniques / Issue 12/2020
Print ISSN: 0543-1972
Electronic ISSN: 1573-8906
DOI
https://doi.org/10.1007/s11018-020-01735-x

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