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Time Frequency Toolbox >> Time Frequency Toolbox > Choice of Particular Signals > mexhat

mexhat

Mexican hat wavelet in time domain.

Calling Sequence

[H,T]=mexhat()
[H,T]=mexhat(NU)

Parameters

NU :

a scalar in [0 0.5] (default : 0.05).

H :

a real row vector of length 2*ceil(1.5/NU)+1: the the mexhat time samples.

T :

a real row vector of length 2*ceil(1.5/NU)+1: the mexican hat time support.

Description

mexhat returns the mexican hat wavelet with central frequency NU (NU is a normalized frequency in Hz).

Examples

clf;
plot(mexhat(0.05));

See also

Authors


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