Estimation of Coherence of Radar Signals with Parameter Fluctuations

We analyze the degree of coherence of radar signals with parameter fluctuations. For the Gaussian fluctuations with limited variance, the cases of phase and frequency fluctuations are considered. The entropy of the signal distribution over the proper subspaces of its correlation matrix is used as a...

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Veröffentlicht in:Radiophysics and quantum electronics 2021-06, Vol.64 (1), p.64-76
Hauptverfasser: Fitasov, E. S., Orlov, I. Ya, Legovtsova, E. V., Nasonov, V. V.
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Orlov, I. Ya
Legovtsova, E. V.
Nasonov, V. V.
description We analyze the degree of coherence of radar signals with parameter fluctuations. For the Gaussian fluctuations with limited variance, the cases of phase and frequency fluctuations are considered. The entropy of the signal distribution over the proper subspaces of its correlation matrix is used as a quantitative measure of the signal-coherence degree. It is shown that this entropy allows one to obtain a quantitative and information-intensive assessment of the signal-coherence degree.
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subjects Analysis
Astronomy
Astrophysics and Astroparticles
Coherence
Correlation analysis
Entropy
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Nuclear Physics
Observations and Techniques
Optical Devices
Optics
Parameters
Photonics
Physics
Physics and Astronomy
Quantum Optics
Radar systems
Signal distribution
Subspaces
Theoretical
title Estimation of Coherence of Radar Signals with Parameter Fluctuations
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