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(Color online) Fractional error (ESD/2a – 1) when estimating ESDs as a function of ka when the input η to the estimator is set proportional to ηth × D2(GP) (solid lines) and ηth/D2(Gp) (dashed lines). The Gp/ka ratio was set to 50 (top), 500 (center), and 5000 (bottom).
