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Mekatronik Mühendisliği Bölümü

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Browsing Mekatronik Mühendisliği Bölümü by Subject "Atmospheric Turbulence"

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    Citation Count: Kamacıoğlu, C., Baykal, Y., Yazgan, E. (2013). Averaging of receiver aperture for flat-topped incidence. Optics and Laser Technology, 52, 91-95. http://dx.doi.org/10.1016/j.optlastec.2013.04.011
    Averaging of receiver aperture for flat-topped incidence
    (Elsevier Science Ltd, 2013) Kamacıoğlu, Canan; Baykal, Yahya; Yazgan, Erdem; 7812
    Using a flat-topped profile for the incident beam, the power scintillation index for weak atmospheric turbulence is formulated and analytically evaluated. Through the use of the aperture averaging factor, the averaging effect of the finite receiver aperture on the intensity fluctuations for a flat-topped incident beam is examined. The influence of the order of flatness on the averaging is investigated. At large propagation lengths, increasing the flatness parameter decreases the power scintillations and it is possible to further reduce the scintillation by increasing the receiver aperture. Increasing the structure constant increases this effect