Abstract
view Abstract Citations (22) References (15) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Strong scintillations in astrophysics. IV. Cross-correlation between different frequencies and finite bandwidth effects. Lee, L. C. Abstract The cross-correlation of the intensity fluctuations between different frequencies and finite-bandwidth effects on the intensity correlations are calculated based on the Markov approximation. The results may be applied to quite general turbulence spectra for an extended turbulent medium. Calculations of the cross-correlation function and of finite-bandwidth effects are explicitly carried out for both Gaussian and Kolmogorov turbulence spectra. The increases of the correlation scale of intensity fluctuations are different for these two spectra, and the difference can be used to determine whether the interstellar turbulent medium has a Gaussian or a Kolmogorov spectrum. Publication: The Astrophysical Journal Pub Date: June 1976 DOI: 10.1086/154435 Bibcode: 1976ApJ...206..744L Keywords: Astronomical Spectroscopy; Bandwidth; Cross Correlation; Interstellar Matter; Luminous Intensity; Scintillation; Turbulence Effects; Astronomical Models; Fluctuation Theory; Pulsars; Spectral Correlation; Astrophysics full text sources ADS |
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