How does filter function works?

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khatereh 2011 年 12 月 13 日
I used edit filter to see how does it work but I did not find any relative information. I used FIR filter filter(b,1,signal). I need to know how does it work.

回答 (1 件)

Daniel Shub
Daniel Shub 2011 年 12 月 13 日
See this filter documentation
doc filter
  6 件のコメント
Daniel Shub
Daniel Shub 2012 年 1 月 6 日
I am guessing you want to leave it out. The zi/zf input/outputs are most useful for when you are filtering in blocks. I believe that if you leave zi out, MATLAB assumes that the input has been zero for a very long time.


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