www.gusucode.com > dsp 案例源码程序 matlab代码 > dsp/DenormalizeFilterCoefficientsExample.m
%% Denormalize Filter Coefficients % Construct a quantized filter |hd|. d=fdesign.highpass('n,F3dB',14,0.45); hd =design(d,'butter'); hd.arithmetic='fixed'; %% % Normalize the filter coefficients normalize(hd) NormSOSMatrix = hd.sosMatrix; %% % After normalizing the filter coefficients, restore them to their original % values by reversing the effects of the |normalize| function. denormalize(hd) eqSOSMatrices = isequal(NormSOSMatrix,hd.sosMatrix)