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Proceedings Paper

Approximate Expression For The Spherical Wave Structure Function In A Von-Karman Type Random Medium
Author(s): I. Last; M. Tur
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Paper Abstract

We propose a relatively simple and convenient approximate expression for the spherical structure func-tion in atmospheric turbulence having the Von-Karman spectrum. The approximation, which is accurate to within 6%, is valid for any separation between the observation points. In the asymptotic intervals 2rp«to, to«27p((Lo, 27rp))Lo the approximate expression coincides with the known analytical solutions. An approximate expression is presented also for the coherence length ρo) for the case of homogeneous tur-bulence conditions along the propagation path.

Paper Details

Date Published: 5 July 1989
PDF: 7 pages
Proc. SPIE 1038, 6th Mtg in Israel on Optical Engineering, (5 July 1989); doi: 10.1117/12.951101
Show Author Affiliations
I. Last, Soreq Nuclear Research Center (Israel)
M. Tur, Tel-Aviv University (Israel)


Published in SPIE Proceedings Vol. 1038:
6th Mtg in Israel on Optical Engineering
Rami Finkler; Joseph Shamir, Editor(s)

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