About a Partial Differential Equation-Based Interpolator for Signal Envelope Computing: Existence Results and Applications

<table>Comparison between PDE interpolator and cubic spline. The input signal is in blue color, and in red and black colors are the envelopes. </table>

International Scholarly Research Notices

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Figure 5

Figure 5: About a Partial Differential Equation-Based Interpolator for Signal Envelope Computing: Existence Results and Applications 