Fig. 14

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Construction of the waterfall-PCA folding merit function / (3) for M = 10 for the Vela pulsar observation (no noise added). The plot shows three curves, the maximum scalar (1), the eigenvalue corresponding to the same sℓ,max, and the merit function ξℓ The merit function shows a clear and stronger signal-to-noise ratio than the scalar or eigenvalues alone.
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