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From: Oscar on 16 Oct 2009 08:16
Hi,

I need to implement 8 levels of discrete wavelet transform (with dwtmode set to periodization) in Simulink, however the dwt block available in Simulink only supports zero padding mode, therefore I get a total different output as my original MATLAB output using periodization mode. Is it possible to configure the simulink dwt block to periodization mode?

One alternative that I have attempted was to write DWT (mode periodization) using embedded MATLAB, by modifying the m-files from MATLAB library. However the DSP implementation (Spectrum digital F28335 eZdsp, with Code Composer Studio 3.3) of my code halts (receives CCS timeout error) after 2 levels of DWT iterations with my custom code.

Thanks!

Oscar
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