www.gusucode.com > wavelet 源码程序 matlab案例代码 > wavelet/PerfectReconstructionUsingtheDualTreeDoubleDensityWaveleExample.m
%% Perfect Reconstruction Using Dual-Tree Double-Density Wavelet Filter Bank % Demonstrate perfect reconstruction of a signal using a dual-tree % double-density wavelet transform. %% % Load the noisy Doppler signal. Obtain the dual-tree double-density wavelet % transform down to level 5. Invert the transform and demonstrate perfect % reconstruction. load noisdopp; wt = dddtree('cplxdddt',noisdopp,5,'FSdoubledualfilt',... 'doubledualfilt'); xrec = idddtree(wt); max(abs(noisdopp-xrec))