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FIR/IIRフィルタまとめ

Last updated at Posted at 2019-04-17

はじめに

FIR/IIRフィルタの漸化式、伝達関数、ブロック図をまとめました。

漸化式

\begin{align}
y[n]=\sum_{k=0}^P b_k x[n-k]  -\sum_{k=1}^Q a_k y[n-k]
\end{align}

伝達関数

\begin{align}
H(z)=\frac{b_0 + b_1 z^{-1} + b_2 z^{-2} + \cdots + b_P z^{-P}}{a_1 z^{-1} + a_2 z^{-2} + \cdots + a_Q z^{-Q} }
\end{align}

ブロック図

block.png

参考文献

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