# A Few Animations (Using MATLAB): Shock-Wave Flash (SWF)

**WGatoms.swf:** Wigner-Ville Time-Frequency Distribution (in the Time-Frequency plane) of two slighly different Gabor atoms whose internal frequencies progressively increase. Time-Frequency plane: [0,1] vs [0,1]. Observe the calculation interference (quadratic) terms (06').

**WGatomsHALF.swf:** Same as above but for a Time-Frequency plane such that [0,1] vs [0,1/2]. Observe the calculation interference terms. (06').

**ChGatoms.swf:** Cohen class Time-Frequency Distribution (in the Time-Frequency plane) of two slighly different Gabor atoms whose internal frequencies progressively increase.(06').

**WIGsignalsFULL.swf:** Wigner-Ville Time-Frequency Distribution of a signal that consists of: (1) two slighly different Gabor atoms whose internal frequencies progressively increase, (2) a Dirac, (3) a sinusoid, (4) and a noise that increases at each sequence repetition. Observe the calculation interference terms. In the Time-Frequency plane: [0,1] vs.[0,1]. (23').

**WIGsignalsHALF.swf:** Wigner-Ville Time-Frequency Distribution of a signal that consists of: (1) two slighly different Gabor atoms whose internal frequencies progressively increase, (2) a Dirac, (3) a sinusoid, (4) and a noise that increases at each sequence repetition. Observe the calculation interference terms. In the Time-Frequency plane: [0,1] vs.[0,1/2]. (23').

**CHsignals.swf:** Cohen class Time-Frequency Distribution of a signal (same as above) that consists of (1) two slighly different Gabor atoms whose internal frequencies progressively increase, (2) a Dirac, (3) a sinusoid, (4) a noise that increases at each sequence repetition.(23').