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What's the unit of the normalized frequency in Matlab.

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afef
afef 2017-10-20
评论： SimTec 2022-7-13
I have used fdatool to design a filter and i used the normalized frequency. I know that it should be in the interval [0,1] but i don't know what's the unit of this frequency? Can anyone tell me please?

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Rik
Rik 2017-10-20
It is normalized, and therefore it doesn't have a unit. Think of it like a percentage or a probability distribution.

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David Binnie
David Binnie 2018-4-12
编辑：David Binnie 2018-4-12
It is Normalised to 0.5 x Sampling Frequency

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