Estimation of extinction and phase function of random media using the measured backscatter frequency correlation function

2002 ◽  
Author(s):  
K. Sarabandi ◽  
A. Nashashibi
Keyword(s):  
Correlation Function ◽  
Phase Function ◽  
Random Media ◽  
Frequency Correlation

scholarly journals Exponential frequency correlation function and its application in Doppler shift estimation

2019 ◽  
Vol 13 (10) ◽  
pp. 1628-1635 ◽  
Author(s):  
Lubo Liu ◽  
Lu Zhang ◽  
Tao Yu ◽  
Yuandong Ji
Keyword(s):  
Correlation Function ◽  
Doppler Shift ◽  
Frequency Correlation

scholarly journals Spectral Intensity Variation by the Correlation Function of Refractive Index Fluctuations of the Liquid Medium

2013 ◽  
Vol 2013 ◽  
pp. 1-7
Author(s):  
Nageshwar Singh
Keyword(s):  
Refractive Index ◽  
Correlation Function ◽  
Liquid Medium ◽  
Born Approximation ◽  
Random Media ◽  
Intensity Variation ◽  
Spectral Intensity ◽  
Far Field ◽  
Macroscopic Theory ◽  
Spatial Correlation Function

It is proposed that a macroscopic theory of propagation and scattering of light through random media can be functional for the dye liquid flowing media in the microscopic levels too, with modest approximations. Maxwell’s equation for a random refractive index medium is approximated and solved for the electric field. An analytical expression for the spectral intensity of the field scattered by the refractive index fluctuations inside a medium has been derived which was valid within the first Born approximation. Far field spectral intensity variation of the radiation propagating through the liquid medium is a consequence of variation in correlation function of the refractive index inhomogeneities. The strength of radiation scattered in a particular direction depends on the spatial correlation function of the refractive index fluctuations of the medium. An attempt is made to explain some of the experimentally observed spectral intensity variations, particularly dye emission propagation through liquid flowing medium, in the presence of thermal and flow field.

Rapid and Accurate Measurement of the Frequency–Frequency Correlation Function

2012 ◽  
Vol 117 (29) ◽  
pp. 5891-5898 ◽  
Author(s):  
Derek G. Osborne ◽  
Kevin J. Kubarych
Keyword(s):  
Correlation Function ◽  
Frequency Correlation

scholarly journals SOME DENSE RANDOM PACKINGS GENERATED BY THE DEAD LEAVES MODEL

2019 ◽  
Vol 38 (1) ◽  
pp. 3
Author(s):  
Dominique Jeulin
Keyword(s):  
Correlation Function ◽  
Pair Correlation Function ◽  
Random Media ◽  
Volume Fraction ◽  
Pair Correlation ◽  
Sequential Model ◽  
Dead Leaves Model ◽  
The Dead ◽  
Dense Packings ◽  
Random Packings

The intact grains of the dead leaves model enables us to generate random media with non overlapping grains. Using the time non homogeneous sequential model with convex grains, theoretically very dense packings can be generated, up to a full covering of space. For these models, the theoretical volume fraction, the size distribution of grains, and the pair correlation function of centers of grains are given.

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