Similar to "bsn1.m", "bsn2.m" provides dilation 2 in the B-Spline network (BSN) which are used as a new way of performing approximate zero-phase low pass filtering.
The transfer function of the dilated BSN filter can be derived with one parameter.
For more details, check the paper
YangQuan Chen (2021). bsn2.m (https://www.mathworks.com/matlabcentral/fileexchange/3558-bsn2-m), MATLAB Central File Exchange. Retrieved .
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