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 Modulation transfer function (MTF) [dimensionless] of a 2 m thick layer of seawater as affected by the particle concentration , represented by beam attenuation coefficient [top], c (m-1) [top], and as affected by the particle composition, here represented by the root mean square of the scattering angle, θ0 (rad) [bottom]. θ0 is the single parameter specifying the shape of the volume scattering function in the Wells' approximation (Wells WH 1973). ψ is the angular frequency. At a fixed thickness of the seawater layer, the MTF characterizes the spatial frequency-dependence of image contrast transfer in seawater. The MTF was computed using analytical formulas based on the small-angle scattering theory (Wells WH 1973). In the top panel, θ0 = 0.07 rad. In the bottom panel c = 0.6 m-1. In both panels, the single scattering albedo, ω0, equals 0.9. The figure reproduced by permission from Chang G and Twardowski 2011 with minor modifications. [GC] |
Topics in Particle and Dispersion Science (TPDSci) is an online monograph (ISBN 0-9780628-0-9) providing a comprehensive survey of interdisciplinary topics in the particle and particle dispersion science ... more
Learn about this novel monograph concept from a paper, which was published in proceedings of the 2010 SPIE conference in Orlando, Florida, USA (Depa J et al 2010).
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