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Tom Verbeure (@TomV)


Re: Confused about the noble identity?

Reply posted 2 weeks ago (01/05/2026)
I already had my answer. ;-)

Re: Confused about the noble identity?

Reply posted 2 weeks ago (01/05/2026)
Yes, I understand that you can save a lot of operations (either lower clocks or lower number of MACs) by splitting into polyphase and applying the noble identities....

Re: Confused about the noble identity?

Reply posted 4 weeks ago (12/27/2025)
I’ll answer my own question after spending a lot more time on this:The key is the H(z^M) part. I didn’t understand that notation.When H(z) = h0 + h1 z^-1 + h2...

Confused about the noble identity?

New thread started 4 weeks ago
I'm studying polyphase filtering and decimation and one of the things that gets mentioned occasionally are the noble identities. They are rendered here in figure...

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