Approximate Expression For The Spherical Wave Structure Function In A Von-Karman Type Random Medium

I. Last; M. Tur

doi:10.1117/12.951101

5 July 1989 Approximate Expression For The Spherical Wave Structure Function In A Von-Karman Type Random Medium

I. Last, M. Tur

Proceedings Volume 1038, 6th Mtg in Israel on Optical Engineering; (1989) https://doi.org/10.1117/12.951101
Event: Sixth Meeting of Optical Engineering in Israel, 1988, Tel Aviv, Israel

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 2rpÃ‚Â«to, toÃ‚Â«27p((Lo, 27rp))Lo the approximate expression coincides with the known analytical solutions. An approximate expression is presented also for the coherence length ρ_o) for the case of homogeneous tur-bulence conditions along the propagation path.

Citation Download Citation

I. Last and M. Tur "Approximate Expression For The Spherical Wave Structure Function In A Von-Karman Type Random Medium", Proc. SPIE 1038, 6th Mtg in Israel on Optical Engineering, (5 July 1989); https://doi.org/10.1117/12.951101

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