Can we use "dfilt.cascade" for mix of fir and iir filters?

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ABTJ
ABTJ 2021-4-22
回答： Arjun 2025-3-25
There is MATLAB command "dfilt.cascade" that is used for series connection of filters
My question is that can we use this command in such a way that we want to cascade a fir filter with iir filter?

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Arjun
Arjun 2025-3-25
Hi @ABTJ,
In MATLAB, the command "dfilt.cascade" is used to return cascade of discrete-time filters.
You can read more about it in the documentation link attached: https://www.mathworks.com/help/signal/ref/dfilt.cascade.html
Since Finite Impulse Response (FIR) and Infinite Impulse Response (IIR) filters are types of discrete-time filters, the "dfilt.cascade" command can be used to connect them in series.
I hope this helps!

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