These three files include Farrow filter design and implementation. One is float and second is fixed point.
One can find the theory of the Farrow resampler in the literature. Here there is an example of Matlab implementation.
The design use symmetric and antisymmetric filter thus saving 1/2 of the multipliers.
Note that the filter design includes "firls" (Signal Processing Toolbox) but one can replace the function with any other design method.
Alex (2021). Farrow Resampler (https://www.mathworks.com/matlabcentral/fileexchange/34516-farrow-resampler), MATLAB Central File Exchange. Retrieved .
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