DSP
2 visualizaciones (últimos 30 días)
Mostrar comentarios más antiguos
How to write matlab code for 1D wavelet transform with db4...
0 comentarios
Respuestas (1)
Wayne King
el 21 de Sept. de 2011
Hi see
wavedec() in the Wavelet Toolbox. You need to be careful about what you call the db4 wavelet. If that is the number of taps, then that is the 'db2' wavelet in the Wavelet Toolbox.
An example of the DWT down to level 4 using the 'db2' wavelet.
x = randn(1024,1);
C,L] = wavedec(x,4,'db2');
0 comentarios
Ver también
Categorías
Más información sobre DSP System Toolbox en Help Center y File Exchange.
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!