Wavelet Toolbox

Mexican Hat Wavelet: mexh

See [Dau92] page 75.

By typing waveinfo('mexh') at the MATLAB command prompt, you can obtain a survey of the main properties of this wavelet.

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Figure 6-17: The Mexican Hat

This function is proportional to the second derivative function of the Gaussian probability density function.

As the function does not exist, the analysis is not orthogonal.

Battle-Lemarie Wavelets

Morlet Wavelet: morl

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