22 January 2002 Intensity-weighted phase-derivative statistics
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We have previously shown that amplitude weighting can improve the accuracy of measurements of the frequency offset of a signal contaminated by multiplicative Gaussian noise. We have investigated the more general non-Gaussian case through study of the statistics of a simple phase-screen scattering model and derived formulae for the low-order moments of the intensity-weighted phase-derivative. In this paper we extend numerical simulation of the problem to the case of a phase screen with Kolmogorov spectrum. We also report the results of some preliminary experimental measurements.
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Stephen M. Watson, Stephen M. Watson, Eric Jakeman, Eric Jakeman, Kevin D. Ridley, Kevin D. Ridley, } "Intensity-weighted phase-derivative statistics", Proc. SPIE 4489, Free-Space Laser Communication and Laser Imaging, (22 January 2002); doi: 10.1117/12.453239; https://doi.org/10.1117/12.453239

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