DSP
2 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
How to write matlab code for 1D wavelet transform with db4...
0 Kommentare
Antworten (1)
Wayne King
am 21 Sep. 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 Kommentare
Siehe auch
Kategorien
Mehr zu DSP System Toolbox finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!