0
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?

More than 1 year has passed since last update.

なんちゃって一次ローパスフィルタの周波数特性

Posted at

拝啓 ChatBot様

$$
x_{n+1} = (1-\alpha)x_{n} + \alpha u_n
$$

のフィルタ(αは[0, 1]とする)伝達関数のz変換は

$$
\frac{\alpha}{z-(1-\alpha)}
$$

で、これをTustin変換を用いて周波数 $f$ Hzで連続化したときの極は

$$
\frac{2f\alpha}{2 - \alpha}
$$

になるので次からこれで計算してください。よろしくおねがいします。

0
0
0

Register as a new user and use Qiita more conveniently

  1. You get articles that match your needs
  2. You can efficiently read back useful information
  3. You can use dark theme
What you can do with signing up
0
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?