Near-field statistics for diffraction by thin anisotropic random phase screens

Details Near-field statistics for diffraction by thin anisotropic random phase screens Near-field statistics for diffraction by thin anisotropic random phase screens

May 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jatp...37..739w&link_type=abstract

Journal of Atmospheric and Terrestrial Physics, vol. 37, May 1975, p. 739-750.

Physics

2

Anisotropic Media, Near Fields, Screen Effect, Spatial Filtering, Wave Diffraction, Autocorrelation, Fourier Transformation, Phase Shift, Scintillation, Spectral Correlation

Scientific paper

The statistics of the spatial spectral functions and the mutual intensity functions for the field diffracted by a general anisotropic thin random phase screen are studied. An anisotropy enhancement effect for the mutual intensity functions is discussed and it is found that the quasi-periodic fluctuations in the spatial spectral functions are much less apparent in the general case than in the two limiting cases of isotropic and one-dimensional screens. A modified distance factor is introduced in connexion with the variations of the scintillation index and the average amplitude of the field as a function of the distance from the screen.

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