I was trying tom implement a Butterworth filter and i came across a example on Mathworks site which emphasizes to customize various terms related to the filter.
Following are some of the terms i could not understand and i was also not able to find suitable info about them in matlab documentation-


Can anyone please help me to understand this?

This was the link i was referring to-

  • $\begingroup$ That's for fixed-point implementations. Have a look at this page. $\endgroup$
    – Matt L.
    Sep 2 '19 at 10:51
  • $\begingroup$ Hi @MattL. the page gives how to implement these specs.Sorry but i could not see the link you attached gives info on these parameters.These specs are already present on the link which i have attached in the question. $\endgroup$
    – nebulla
    Sep 2 '19 at 10:55
  • $\begingroup$ Try again, the link should work. It explains these parameters. They are about the fixed-point number formats (Q15, Q31). $\endgroup$
    – Matt L.
    Sep 2 '19 at 11:07
  • $\begingroup$ Hi @MattL. , sorry i am not able to get you,the link describes how these are used in Q15 and Q31 formats. I am asking what is the meaning of these parameters in filter design? $\endgroup$
    – nebulla
    Sep 3 '19 at 7:13

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